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Merge remote-tracking branch 'origin/master' into ClearExceptionMsgTableEngineGrant

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jsc0218 2024-07-03 14:53:55 +00:00
commit d084123a9e
1206 changed files with 29413 additions and 13884 deletions
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6
.github/PULL_REQUEST_TEMPLATE.md vendored
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@ -6,6 +6,7 @@ tests/ci/cancel_and_rerun_workflow_lambda/app.py
-->
### Changelog category (leave one):
- New Feature
- Experimental Feature
- Improvement
- Performance Improvement
- Backward Incompatible Change
@ -48,9 +49,7 @@ At a minimum, the following information should be added (but add more as needed)
- [ ] <!---ci_include_stateful--> Allow: Stateful tests
- [ ] <!---ci_include_integration--> Allow: Integration Tests
- [ ] <!---ci_include_performance--> Allow: Performance tests
- [ ] <!---ci_set_normal_builds--> Allow: Normal Builds
- [ ] <!---ci_set_special_builds--> Allow: Special Builds
- [ ] <!---ci_set_non_required--> Allow: All NOT Required Checks
- [ ] <!---ci_set_builds--> Allow: All Builds
- [ ] <!---batch_0_1--> Allow: batch 1, 2 for multi-batch jobs
- [ ] <!---batch_2_3--> Allow: batch 3, 4, 5, 6 for multi-batch jobs
---
@ -61,6 +60,7 @@ At a minimum, the following information should be added (but add more as needed)
- [ ] <!---ci_exclude_aarch64|release|debug--> Exclude: All with aarch64, release, debug
---
- [ ] <!---do_not_test--> Do not test
- [ ] <!---woolen_wolfdog--> Woolen Wolfdog
- [ ] <!---upload_all--> Upload binaries for special builds
- [ ] <!---no_merge_commit--> Disable merge-commit
- [ ] <!---no_ci_cache--> Disable CI cache

57
.github/workflows/backport_branches.yml vendored
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@ -70,7 +70,7 @@ jobs:
if: ${{ !failure() && !cancelled() }}
uses: ./.github/workflows/reusable_test.yml
with:
test_name: Compatibility check (amd64)
test_name: Compatibility check (release)
runner_type: style-checker
data: ${{ needs.RunConfig.outputs.data }}
CompatibilityCheckAarch64:
@ -159,33 +159,24 @@ jobs:
############################################################################################
##################################### BUILD REPORTER #######################################
############################################################################################
BuilderReport:
Builds_Report:
# run report check for failed builds to indicate the CI error
if: ${{ !cancelled() }}
needs:
- RunConfig
- BuilderDebAarch64
- BuilderDebAsan
- BuilderDebDebug
- BuilderDebRelease
- BuilderDebTsan
uses: ./.github/workflows/reusable_test.yml
with:
test_name: ClickHouse build check
runner_type: style-checker-aarch64
data: ${{ needs.RunConfig.outputs.data }}
BuilderSpecialReport:
# run report check for failed builds to indicate the CI error
if: ${{ !cancelled() }}
needs:
- RunConfig
- BuilderBinDarwin
- BuilderBinDarwinAarch64
uses: ./.github/workflows/reusable_test.yml
with:
test_name: ClickHouse special build check
runner_type: style-checker-aarch64
data: ${{ needs.RunConfig.outputs.data }}
if: ${{ !cancelled() && needs.RunConfig.result == 'success' && contains(fromJson(needs.RunConfig.outputs.data).jobs_data.jobs_to_do, 'Builds') }}
needs: [RunConfig, BuilderDebAarch64, BuilderDebAsan, BuilderDebDebug, BuilderDebRelease, BuilderDebTsan, BuilderBinDarwin, BuilderBinDarwinAarch64]
runs-on: [self-hosted, style-checker-aarch64]
steps:
- name: Check out repository code
uses: ClickHouse/checkout@v1
- name: Download reports
run: |
python3 "$GITHUB_WORKSPACE/tests/ci/ci.py" --infile ${{ toJson(needs.RunConfig.outputs.data) }} --pre --job-name Builds
- name: Builds report
run: |
cd "$GITHUB_WORKSPACE/tests/ci"
python3 ./build_report_check.py --reports package_release package_aarch64 package_asan package_tsan package_debug binary_darwin binary_darwin_aarch64
- name: Set status
run: |
python3 "$GITHUB_WORKSPACE/tests/ci/ci.py" --infile ${{ toJson(needs.RunConfig.outputs.data) }} --post --job-name Builds
############################################################################################
#################################### INSTALL PACKAGES ######################################
############################################################################################
@ -194,7 +185,7 @@ jobs:
if: ${{ !failure() && !cancelled() }}
uses: ./.github/workflows/reusable_test.yml
with:
test_name: Install packages (amd64)
test_name: Install packages (release)
runner_type: style-checker
data: ${{ needs.RunConfig.outputs.data }}
run_command: |
@ -204,7 +195,7 @@ jobs:
if: ${{ !failure() && !cancelled() }}
uses: ./.github/workflows/reusable_test.yml
with:
test_name: Install packages (arm64)
test_name: Install packages (aarch64)
runner_type: style-checker-aarch64
data: ${{ needs.RunConfig.outputs.data }}
run_command: |
@ -256,8 +247,7 @@ jobs:
FinishCheck:
if: ${{ !failure() && !cancelled() }}
needs:
- BuilderReport
- BuilderSpecialReport
- Builds_Report
- FunctionalStatelessTestAsan
- FunctionalStatefulTestDebug
- StressTestTsan
@ -273,5 +263,8 @@ jobs:
- name: Finish label
run: |
cd "$GITHUB_WORKSPACE/tests/ci"
python3 finish_check.py
# update mergeable check
python3 merge_pr.py --set-ci-status --wf-status ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
# update overall ci report
python3 finish_check.py --wf-status ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
python3 merge_pr.py

29
.github/workflows/create_release.yml vendored Normal file
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@ -0,0 +1,29 @@
name: CreateRelease
concurrency:
group: release
'on':
workflow_dispatch:
inputs:
sha:
description: 'The SHA hash of the commit from which to create the release'
required: true
type: string
type:
description: 'The type of release: "new" for a new release or "patch" for a patch release'
required: true
type: choice
options:
- new
- patch
jobs:
Release:
runs-on: [self-hosted, style-checker-aarch64]
steps:
- name: Check out repository code
uses: ClickHouse/checkout@v1
- name: Print greeting
run: |
python3 ./tests/ci/release.py --commit ${{ inputs.sha }} --type ${{ inputs.type }} --dry-run

26
.github/workflows/master.yml vendored
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@ -104,10 +104,9 @@ jobs:
with:
stage: Tests_2
data: ${{ needs.RunConfig.outputs.data }}
# stage for jobs that do not prohibit merge
Tests_3:
# Test_3 should not wait for Test_1/Test_2 and should not be blocked by them on master branch since all jobs need to run there.
needs: [RunConfig, Builds_1, Builds_2]
needs: [RunConfig, Builds_1]
if: ${{ !failure() && !cancelled() && contains(fromJson(needs.RunConfig.outputs.data).stages_data.stages_to_do, 'Tests_3') }}
uses: ./.github/workflows/reusable_test_stage.yml
with:
@ -115,23 +114,14 @@ jobs:
data: ${{ needs.RunConfig.outputs.data }}
################################# Reports #################################
# Reports should be run even if Builds_1/2 failed - put them separately in wf (not in Tests_1/2)
Builds_1_Report:
# Reports should run even if Builds_1/2 fail - run them separately, not in Tests_1/2/3
Builds_Report:
# run report check for failed builds to indicate the CI error
if: ${{ !cancelled() && needs.RunConfig.result == 'success' && contains(fromJson(needs.RunConfig.outputs.data).jobs_data.jobs_to_do, 'ClickHouse build check') }}
needs: [RunConfig, Builds_1]
if: ${{ !cancelled() && needs.RunConfig.result == 'success' && contains(fromJson(needs.RunConfig.outputs.data).jobs_data.jobs_to_do, 'Builds') }}
needs: [RunConfig, Builds_1, Builds_2]
uses: ./.github/workflows/reusable_test.yml
with:
test_name: ClickHouse build check
runner_type: style-checker-aarch64
data: ${{ needs.RunConfig.outputs.data }}
Builds_2_Report:
# run report check for failed builds to indicate the CI error
if: ${{ !cancelled() && needs.RunConfig.result == 'success' && contains(fromJson(needs.RunConfig.outputs.data).jobs_data.jobs_to_do, 'ClickHouse special build check') }}
needs: [RunConfig, Builds_2]
uses: ./.github/workflows/reusable_test.yml
with:
test_name: ClickHouse special build check
test_name: Builds
runner_type: style-checker-aarch64
data: ${{ needs.RunConfig.outputs.data }}
@ -165,7 +155,7 @@ jobs:
FinishCheck:
if: ${{ !cancelled() }}
needs: [RunConfig, Builds_1, Builds_2, Builds_1_Report, Builds_2_Report, Tests_1, Tests_2, Tests_3]
needs: [RunConfig, Builds_1, Builds_2, Builds_Report, Tests_1, Tests_2, Tests_3]
runs-on: [self-hosted, style-checker-aarch64]
steps:
- name: Check out repository code
@ -173,4 +163,4 @@ jobs:
- name: Finish label
run: |
cd "$GITHUB_WORKSPACE/tests/ci"
python3 finish_check.py
python3 finish_check.py --wf-status ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}

15
.github/workflows/merge_queue.yml vendored
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@ -96,20 +96,15 @@ jobs:
stage: Tests_1
data: ${{ needs.RunConfig.outputs.data }}
################################# Stage Final #################################
#
FinishCheck:
if: ${{ !failure() && !cancelled() }}
CheckReadyForMerge:
if: ${{ !cancelled() && needs.StyleCheck.result == 'success' }}
# Test_2 or Test_3 must not have jobs required for Mergeable check
needs: [RunConfig, BuildDockers, StyleCheck, FastTest, Builds_1, Tests_1]
runs-on: [self-hosted, style-checker-aarch64]
steps:
- name: Check out repository code
uses: ClickHouse/checkout@v1
- name: Check sync status
- name: Check and set merge status
run: |
cd "$GITHUB_WORKSPACE/tests/ci"
python3 sync_pr.py --status
- name: Finish label
run: |
cd "$GITHUB_WORKSPACE/tests/ci"
python3 finish_check.py ${{ (contains(needs.*.result, 'failure') && github.event_name == 'merge_group') && '--pipeline-failure' || '' }}
python3 merge_pr.py --set-ci-status --wf-status ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}

35
.github/workflows/pull_request.yml vendored
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@ -126,16 +126,16 @@ jobs:
with:
stage: Builds_2
data: ${{ needs.RunConfig.outputs.data }}
# stage for running non-required checks without being blocked by required checks (Test_1) if corresponding settings is selected
Tests_2:
needs: [RunConfig, Builds_2]
needs: [RunConfig, Builds_1]
if: ${{ !failure() && !cancelled() && contains(fromJson(needs.RunConfig.outputs.data).stages_data.stages_to_do, 'Tests_2') }}
uses: ./.github/workflows/reusable_test_stage.yml
with:
stage: Tests_2
data: ${{ needs.RunConfig.outputs.data }}
# stage for jobs that do not prohibit merge
Tests_3:
needs: [RunConfig, Builds_1, Tests_1, Builds_2, Tests_2]
needs: [RunConfig, Builds_1, Tests_1]
if: ${{ !failure() && !cancelled() && contains(fromJson(needs.RunConfig.outputs.data).stages_data.stages_to_do, 'Tests_3') }}
uses: ./.github/workflows/reusable_test_stage.yml
with:
@ -143,29 +143,21 @@ jobs:
data: ${{ needs.RunConfig.outputs.data }}
################################# Reports #################################
# Reports should by run even if Builds_1/2 fail, so put them separately in wf (not in Tests_1/2)
Builds_1_Report:
# Reports should run even if Builds_1/2 fail - run them separately (not in Tests_1/2/3)
Builds_Report:
# run report check for failed builds to indicate the CI error
if: ${{ !cancelled() && needs.StyleCheck.result == 'success' && contains(fromJson(needs.RunConfig.outputs.data).jobs_data.jobs_to_do, 'ClickHouse build check') }}
needs: [RunConfig, StyleCheck, Builds_1]
if: ${{ !cancelled() && needs.RunConfig.result == 'success' && contains(fromJson(needs.RunConfig.outputs.data).jobs_data.jobs_to_do, 'Builds') }}
needs: [RunConfig, StyleCheck, Builds_1, Builds_2]
uses: ./.github/workflows/reusable_test.yml
with:
test_name: ClickHouse build check
runner_type: style-checker-aarch64
data: ${{ needs.RunConfig.outputs.data }}
Builds_2_Report:
# run report check for failed builds to indicate the CI error
if: ${{ !cancelled() && needs.StyleCheck.result == 'success' && contains(fromJson(needs.RunConfig.outputs.data).jobs_data.jobs_to_do, 'ClickHouse special build check') }}
needs: [RunConfig, StyleCheck, Builds_2]
uses: ./.github/workflows/reusable_test.yml
with:
test_name: ClickHouse special build check
test_name: Builds
runner_type: style-checker-aarch64
data: ${{ needs.RunConfig.outputs.data }}
CheckReadyForMerge:
if: ${{ !cancelled() && needs.StyleCheck.result == 'success' }}
needs: [RunConfig, BuildDockers, StyleCheck, FastTest, Builds_1, Builds_2, Builds_1_Report, Builds_2_Report, Tests_1, Tests_2]
# Test_2 or Test_3 must not have jobs required for Mergeable check
needs: [RunConfig, BuildDockers, StyleCheck, FastTest, Builds_1, Builds_2, Builds_Report, Tests_1]
runs-on: [self-hosted, style-checker-aarch64]
steps:
- name: Check out repository code
@ -181,7 +173,7 @@ jobs:
#
FinishCheck:
if: ${{ !cancelled() }}
needs: [RunConfig, BuildDockers, StyleCheck, FastTest, Builds_1, Builds_2, Builds_1_Report, Builds_2_Report, Tests_1, Tests_2, Tests_3]
needs: [RunConfig, BuildDockers, StyleCheck, FastTest, Builds_1, Builds_2, Builds_Report, Tests_1, Tests_2, Tests_3]
runs-on: [self-hosted, style-checker-aarch64]
steps:
- name: Check out repository code
@ -191,7 +183,7 @@ jobs:
- name: Finish label
run: |
cd "$GITHUB_WORKSPACE/tests/ci"
python3 finish_check.py
python3 finish_check.py --wf-status ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
#############################################################################################
###################################### JEPSEN TESTS #########################################
@ -204,8 +196,7 @@ jobs:
concurrency:
group: jepsen
if: ${{ !failure() && !cancelled() && contains(fromJson(needs.RunConfig.outputs.data).jobs_data.jobs_to_do, 'ClickHouse Keeper Jepsen') }}
# jepsen needs binary_release build which is in Builds_2
needs: [RunConfig, Builds_2]
needs: [RunConfig, Builds_1]
uses: ./.github/workflows/reusable_test.yml
with:
test_name: ClickHouse Keeper Jepsen

59
.github/workflows/release_branches.yml vendored
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@ -65,7 +65,7 @@ jobs:
if: ${{ !failure() && !cancelled() }}
uses: ./.github/workflows/reusable_test.yml
with:
test_name: Compatibility check (amd64)
test_name: Compatibility check (release)
runner_type: style-checker
data: ${{ needs.RunConfig.outputs.data }}
CompatibilityCheckAarch64:
@ -176,35 +176,24 @@ jobs:
############################################################################################
##################################### BUILD REPORTER #######################################
############################################################################################
BuilderReport:
Builds_Report:
# run report check for failed builds to indicate the CI error
if: ${{ !cancelled() }}
needs:
- RunConfig
- BuilderDebRelease
- BuilderDebAarch64
- BuilderDebAsan
- BuilderDebTsan
- BuilderDebUBsan
- BuilderDebMsan
- BuilderDebDebug
uses: ./.github/workflows/reusable_test.yml
with:
test_name: ClickHouse build check
runner_type: style-checker-aarch64
data: ${{ needs.RunConfig.outputs.data }}
BuilderSpecialReport:
# run report check for failed builds to indicate the CI error
if: ${{ !cancelled() }}
needs:
- RunConfig
- BuilderBinDarwin
- BuilderBinDarwinAarch64
uses: ./.github/workflows/reusable_test.yml
with:
test_name: ClickHouse special build check
runner_type: style-checker-aarch64
data: ${{ needs.RunConfig.outputs.data }}
if: ${{ !cancelled() && needs.RunConfig.result == 'success' && contains(fromJson(needs.RunConfig.outputs.data).jobs_data.jobs_to_do, 'Builds') }}
needs: [RunConfig, BuilderDebRelease, BuilderDebAarch64, BuilderDebAsan, BuilderDebUBsan, BuilderDebMsan, BuilderDebTsan, BuilderDebDebug, BuilderBinDarwin, BuilderBinDarwinAarch64]
runs-on: [self-hosted, style-checker-aarch64]
steps:
- name: Check out repository code
uses: ClickHouse/checkout@v1
- name: Download reports
run: |
python3 "$GITHUB_WORKSPACE/tests/ci/ci.py" --infile ${{ toJson(needs.RunConfig.outputs.data) }} --pre --job-name Builds
- name: Builds report
run: |
cd "$GITHUB_WORKSPACE/tests/ci"
python3 ./build_report_check.py --reports package_release package_aarch64 package_asan package_msan package_ubsan package_tsan package_debug binary_darwin binary_darwin_aarch64
- name: Set status
run: |
python3 "$GITHUB_WORKSPACE/tests/ci/ci.py" --infile ${{ toJson(needs.RunConfig.outputs.data) }} --post --job-name Builds
MarkReleaseReady:
if: ${{ !failure() && !cancelled() }}
needs:
@ -244,7 +233,7 @@ jobs:
if: ${{ !failure() && !cancelled() }}
uses: ./.github/workflows/reusable_test.yml
with:
test_name: Install packages (amd64)
test_name: Install packages (release)
runner_type: style-checker
data: ${{ needs.RunConfig.outputs.data }}
run_command: |
@ -254,7 +243,7 @@ jobs:
if: ${{ !failure() && !cancelled() }}
uses: ./.github/workflows/reusable_test.yml
with:
test_name: Install packages (arm64)
test_name: Install packages (aarch64)
runner_type: style-checker-aarch64
data: ${{ needs.RunConfig.outputs.data }}
run_command: |
@ -460,8 +449,7 @@ jobs:
needs:
- DockerServerImage
- DockerKeeperImage
- BuilderReport
- BuilderSpecialReport
- Builds_Report
- MarkReleaseReady
- FunctionalStatelessTestDebug
- FunctionalStatelessTestRelease
@ -496,4 +484,7 @@ jobs:
- name: Finish label
run: |
cd "$GITHUB_WORKSPACE/tests/ci"
python3 finish_check.py
# update mergeable check
python3 merge_pr.py --set-ci-status --wf-status ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
# update overall ci report
python3 finish_check.py --wf-status ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}

5
.github/workflows/tags_stable.yml vendored
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@ -46,9 +46,10 @@ jobs:
./utils/list-versions/list-versions.sh > ./utils/list-versions/version_date.tsv
./utils/list-versions/update-docker-version.sh
GID=$(id -g "${UID}")
docker run -u "${UID}:${GID}" -e PYTHONUNBUFFERED=1 \
# --network=host and CI=1 are required for the S3 access from a container
docker run -u "${UID}:${GID}" -e PYTHONUNBUFFERED=1 -e CI=1 --network=host \
--volume="${GITHUB_WORKSPACE}:/ClickHouse" clickhouse/style-test \
/ClickHouse/utils/changelog/changelog.py -v --debug-helpers \
/ClickHouse/tests/ci/changelog.py -v --debug-helpers \
--gh-user-or-token="$GITHUB_TOKEN" --jobs=5 \
--output="/ClickHouse/docs/changelogs/${GITHUB_TAG}.md" "${GITHUB_TAG}"
git add "./docs/changelogs/${GITHUB_TAG}.md"

3
.yamllint
View File

@ -13,5 +13,4 @@ rules:
level: warning
comments:
min-spaces-from-content: 1
document-start:
present: false
document-start: disable

164
CHANGELOG.md
View File

@ -1,4 +1,5 @@
### Table of Contents
**[ClickHouse release v24.6, 2024-07-01](#246)**<br/>
**[ClickHouse release v24.5, 2024-05-30](#245)**<br/>
**[ClickHouse release v24.4, 2024-04-30](#244)**<br/>
**[ClickHouse release v24.3 LTS, 2024-03-26](#243)**<br/>
@ -8,6 +9,169 @@
# 2024 Changelog
### <a id="246"></a> ClickHouse release 24.6, 2024-07-01
#### Backward Incompatible Change
* Enable asynchronous load of databases and tables by default. See the `async_load_databases` in config.xml. While this change is fully compatible, it can introduce a difference in behavior. When `async_load_databases` is false, as in the previous versions, the server will not accept connections until all tables are loaded. When `async_load_databases` is true, as in the new version, the server can accept connections before all the tables are loaded. If a query is made to a table that is not yet loaded, it will wait for the table's loading, which can take considerable time. It can change the behavior of the server if it is part of a large distributed system under a load balancer. In the first case, the load balancer can get a connection refusal and quickly failover to another server. In the second case, the load balancer can connect to a server that is still loading the tables, and the query will have a higher latency. Moreover, if many queries accumulate in the waiting state, it can lead to a "thundering herd" problem when they start processing simultaneously. This can make a difference only for highly loaded distributed backends. You can set the value of `async_load_databases` to false to avoid this problem. [#57695](https://github.com/ClickHouse/ClickHouse/pull/57695) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Setting `replace_long_file_name_to_hash` is enabled by default for `MergeTree` tables. [#64457](https://github.com/ClickHouse/ClickHouse/pull/64457) ([Anton Popov](https://github.com/CurtizJ)). This setting is fully compatible, and no actions needed during upgrade. The new data format is supported from all versions starting from 23.9. After enabling this setting, you can no longer downgrade to a version 23.8 or older.
* Some invalid queries will fail earlier during parsing. Note: disabled the support for inline KQL expressions (the experimental Kusto language) when they are put into a `kql` table function without a string literal, e.g. `kql(garbage | trash)` instead of `kql('garbage | trash')` or `kql($$garbage | trash$$)`. This feature was introduced unintentionally and should not exist. [#61500](https://github.com/ClickHouse/ClickHouse/pull/61500) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Rework parallel processing in `Ordered` mode of storage `S3Queue`. This PR is backward incompatible for Ordered mode if you used settings `s3queue_processing_threads_num` or `s3queue_total_shards_num`. Setting `s3queue_total_shards_num` is deleted, previously it was allowed to use only under `s3queue_allow_experimental_sharded_mode`, which is now deprecated. A new setting is added - `s3queue_buckets`. [#64349](https://github.com/ClickHouse/ClickHouse/pull/64349) ([Kseniia Sumarokova](https://github.com/kssenii)).
* New functions `snowflakeIDToDateTime`, `snowflakeIDToDateTime64`, `dateTimeToSnowflakeID`, and `dateTime64ToSnowflakeID` were added. Unlike the existing functions `snowflakeToDateTime`, `snowflakeToDateTime64`, `dateTimeToSnowflake`, and `dateTime64ToSnowflake`, the new functions are compatible with function `generateSnowflakeID`, i.e. they accept the snowflake IDs generated by `generateSnowflakeID` and produce snowflake IDs of the same type as `generateSnowflakeID` (i.e. `UInt64`). Furthermore, the new functions default to the UNIX epoch (aka. 1970-01-01), just like `generateSnowflakeID`. If necessary, a different epoch, e.g. Twitter's/X's epoch 2010-11-04 aka. 1288834974657 msec since UNIX epoch, can be passed. The old conversion functions are deprecated and will be removed after a transition period: to use them regardless, enable setting `allow_deprecated_snowflake_conversion_functions`. [#64948](https://github.com/ClickHouse/ClickHouse/pull/64948) ([Robert Schulze](https://github.com/rschu1ze)).
#### New Feature
* Allow to store named collections in ClickHouse Keeper. [#64574](https://github.com/ClickHouse/ClickHouse/pull/64574) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Support empty tuples. [#55061](https://github.com/ClickHouse/ClickHouse/pull/55061) ([Amos Bird](https://github.com/amosbird)).
* Add Hilbert Curve encode and decode functions. [#60156](https://github.com/ClickHouse/ClickHouse/pull/60156) ([Artem Mustafin](https://github.com/Artemmm91)).
* Add support for index analysis over `hilbertEncode`. [#64662](https://github.com/ClickHouse/ClickHouse/pull/64662) ([Artem Mustafin](https://github.com/Artemmm91)).
* Added support for reading `LINESTRING` geometry in the WKT format using function `readWKTLineString`. [#62519](https://github.com/ClickHouse/ClickHouse/pull/62519) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Allow to attach parts from a different disk. [#63087](https://github.com/ClickHouse/ClickHouse/pull/63087) ([Unalian](https://github.com/Unalian)).
* Added new SQL functions `generateSnowflakeID` for generating Twitter-style Snowflake IDs. [#63577](https://github.com/ClickHouse/ClickHouse/pull/63577) ([Danila Puzov](https://github.com/kazalika)).
* Added `merge_workload` and `mutation_workload` settings to regulate how resources are utilized and shared between merges, mutations and other workloads. [#64061](https://github.com/ClickHouse/ClickHouse/pull/64061) ([Sergei Trifonov](https://github.com/serxa)).
* Add support for comparing `IPv4` and `IPv6` types using the `=` operator. [#64292](https://github.com/ClickHouse/ClickHouse/pull/64292) ([Francisco J. Jurado Moreno](https://github.com/Beetelbrox)).
* Support decimal arguments in binary math functions (pow, atan2, max2, min2, hypot). [#64582](https://github.com/ClickHouse/ClickHouse/pull/64582) ([Mikhail Gorshkov](https://github.com/mgorshkov)).
* Added SQL functions `parseReadableSize` (along with `OrNull` and `OrZero` variants). [#64742](https://github.com/ClickHouse/ClickHouse/pull/64742) ([Francisco J. Jurado Moreno](https://github.com/Beetelbrox)).
* Add server settings `max_table_num_to_throw` and `max_database_num_to_throw` to limit the number of databases or tables on `CREATE` queries. [#64781](https://github.com/ClickHouse/ClickHouse/pull/64781) ([Xu Jia](https://github.com/XuJia0210)).
* Add `_time` virtual column to file alike storages (s3/file/hdfs/url/azureBlobStorage). [#64947](https://github.com/ClickHouse/ClickHouse/pull/64947) ([Ilya Golshtein](https://github.com/ilejn)).
* Introduced new functions `base64URLEncode`, `base64URLDecode` and `tryBase64URLDecode`. [#64991](https://github.com/ClickHouse/ClickHouse/pull/64991) ([Mikhail Gorshkov](https://github.com/mgorshkov)).
* Add new function `editDistanceUTF8`, which calculates the [edit distance](https://en.wikipedia.org/wiki/Edit_distance) between two UTF8 strings. [#65269](https://github.com/ClickHouse/ClickHouse/pull/65269) ([LiuNeng](https://github.com/liuneng1994)).
* Add `http_response_headers` configuration to support custom response headers in custom HTTP handlers. [#63562](https://github.com/ClickHouse/ClickHouse/pull/63562) ([Grigorii](https://github.com/GSokol)).
* Added a new table function `loop` to support returning query results in an infinite loop. [#63452](https://github.com/ClickHouse/ClickHouse/pull/63452) ([Sariel](https://github.com/sarielwxm)). This is useful for testing.
* Introduced two additional columns in the `system.query_log`: `used_privileges` and `missing_privileges`. `used_privileges` is populated with the privileges that were checked during query execution, and `missing_privileges` contains required privileges that are missing. [#64597](https://github.com/ClickHouse/ClickHouse/pull/64597) ([Alexey Katsman](https://github.com/alexkats)).
* Added a setting `output_format_pretty_display_footer_column_names` which when enabled displays column names at the end of the table for long tables (50 rows by default), with the threshold value for minimum number of rows controlled by `output_format_pretty_display_footer_column_names_min_rows`. [#65144](https://github.com/ClickHouse/ClickHouse/pull/65144) ([Shaun Struwig](https://github.com/Blargian)).
#### Experimental Feature
* Introduce statistics of type "number of distinct values". [#59357](https://github.com/ClickHouse/ClickHouse/pull/59357) ([Han Fei](https://github.com/hanfei1991)).
* Support statistics with ReplicatedMergeTree. [#64934](https://github.com/ClickHouse/ClickHouse/pull/64934) ([Han Fei](https://github.com/hanfei1991)).
* If "replica group" is configured for a `Replicated` database, automatically create a cluster that includes replicas from all groups. [#64312](https://github.com/ClickHouse/ClickHouse/pull/64312) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Add settings `parallel_replicas_custom_key_range_lower` and `parallel_replicas_custom_key_range_upper` to control how parallel replicas with dynamic shards parallelizes queries when using a range filter. [#64604](https://github.com/ClickHouse/ClickHouse/pull/64604) ([josh-hildred](https://github.com/josh-hildred)).
#### Performance Improvement
* Add the ability to reshuffle rows during insert to optimize for size without violating the order set by `PRIMARY KEY`. It's controlled by the setting `optimize_row_order` (off by default). [#63578](https://github.com/ClickHouse/ClickHouse/pull/63578) ([Igor Markelov](https://github.com/ElderlyPassionFruit)).
* Add a native parquet reader, which can read parquet binary to ClickHouse Columns directly. It's controlled by the setting `input_format_parquet_use_native_reader` (disabled by default). [#60361](https://github.com/ClickHouse/ClickHouse/pull/60361) ([ZhiHong Zhang](https://github.com/copperybean)).
* Support partial trivial count optimization when the query filter is able to select exact ranges from merge tree tables. [#60463](https://github.com/ClickHouse/ClickHouse/pull/60463) ([Amos Bird](https://github.com/amosbird)).
* Reduce max memory usage of multithreaded `INSERT`s by collecting chunks of multiple threads in a single transform. [#61047](https://github.com/ClickHouse/ClickHouse/pull/61047) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Reduce the memory usage when using Azure object storage by using fixed memory allocation, avoiding the allocation of an extra buffer. [#63160](https://github.com/ClickHouse/ClickHouse/pull/63160) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Reduce the number of virtual function calls in `ColumnNullable::size`. [#60556](https://github.com/ClickHouse/ClickHouse/pull/60556) ([HappenLee](https://github.com/HappenLee)).
* Speedup `splitByRegexp` when the regular expression argument is a single-character. [#62696](https://github.com/ClickHouse/ClickHouse/pull/62696) ([Robert Schulze](https://github.com/rschu1ze)).
* Speed up aggregation by 8-bit and 16-bit keys by keeping track of the min and max keys used. This allows to reduce the number of cells that need to be verified. [#62746](https://github.com/ClickHouse/ClickHouse/pull/62746) ([Jiebin Sun](https://github.com/jiebinn)).
* Optimize operator IN when the left hand side is `LowCardinality` and the right is a set of constants. [#64060](https://github.com/ClickHouse/ClickHouse/pull/64060) ([Zhiguo Zhou](https://github.com/ZhiguoZh)).
* Use a thread pool to initialize and destroy hash tables inside `ConcurrentHashJoin`. [#64241](https://github.com/ClickHouse/ClickHouse/pull/64241) ([Nikita Taranov](https://github.com/nickitat)).
* Optimized vertical merges in tables with sparse columns. [#64311](https://github.com/ClickHouse/ClickHouse/pull/64311) ([Anton Popov](https://github.com/CurtizJ)).
* Enabled prefetches of data from remote filesystem during vertical merges. It improves latency of vertical merges in tables with data stored on remote filesystem. [#64314](https://github.com/ClickHouse/ClickHouse/pull/64314) ([Anton Popov](https://github.com/CurtizJ)).
* Reduce redundant calls to `isDefault` of `ColumnSparse::filter` to improve performance. [#64426](https://github.com/ClickHouse/ClickHouse/pull/64426) ([Jiebin Sun](https://github.com/jiebinn)).
* Speedup `find_super_nodes` and `find_big_family` keeper-client commands by making multiple asynchronous getChildren requests. [#64628](https://github.com/ClickHouse/ClickHouse/pull/64628) ([Alexander Gololobov](https://github.com/davenger)).
* Improve function `least`/`greatest` for nullable numberic type arguments. [#64668](https://github.com/ClickHouse/ClickHouse/pull/64668) ([KevinyhZou](https://github.com/KevinyhZou)).
* Allow merging two consequent filtering steps of a query plan. This improves filter-push-down optimization if the filter condition can be pushed down from the parent step. [#64760](https://github.com/ClickHouse/ClickHouse/pull/64760) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Remove bad optimization in the vertical final implementation and re-enable vertical final algorithm by default. [#64783](https://github.com/ClickHouse/ClickHouse/pull/64783) ([Duc Canh Le](https://github.com/canhld94)).
* Remove ALIAS nodes from the filter expression. This slightly improves performance for queries with `PREWHERE` (with the new analyzer). [#64793](https://github.com/ClickHouse/ClickHouse/pull/64793) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Re-enable OpenSSL session caching. [#65111](https://github.com/ClickHouse/ClickHouse/pull/65111) ([Robert Schulze](https://github.com/rschu1ze)).
* Added settings to disable materialization of skip indexes and statistics on inserts (`materialize_skip_indexes_on_insert` and `materialize_statistics_on_insert`). [#64391](https://github.com/ClickHouse/ClickHouse/pull/64391) ([Anton Popov](https://github.com/CurtizJ)).
* Use the allocated memory size to calculate the row group size and reduce the peak memory of the parquet writer in the single-threaded mode. [#64424](https://github.com/ClickHouse/ClickHouse/pull/64424) ([LiuNeng](https://github.com/liuneng1994)).
* Improve the iterator of sparse column to reduce call of `size`. [#64497](https://github.com/ClickHouse/ClickHouse/pull/64497) ([Jiebin Sun](https://github.com/jiebinn)).
* Update condition to use server-side copy for backups to Azure blob storage. [#64518](https://github.com/ClickHouse/ClickHouse/pull/64518) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Optimized memory usage of vertical merges for tables with high number of skip indexes. [#64580](https://github.com/ClickHouse/ClickHouse/pull/64580) ([Anton Popov](https://github.com/CurtizJ)).
#### Improvement
* `SHOW CREATE TABLE` executed on top of system tables will now show the super handy comment unique for each table which will explain why this table is needed. [#63788](https://github.com/ClickHouse/ClickHouse/pull/63788) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* The second argument (scale) of functions `round()`, `roundBankers()`, `floor()`, `ceil()` and `trunc()` can now be non-const. [#64798](https://github.com/ClickHouse/ClickHouse/pull/64798) ([Mikhail Gorshkov](https://github.com/mgorshkov)).
* Hot reload storage policy for `Distributed` tables when adding a new disk. [#58285](https://github.com/ClickHouse/ClickHouse/pull/58285) ([Duc Canh Le](https://github.com/canhld94)).
* Avoid possible deadlock during MergeTree index analysis when scheduling threads in a saturated service. [#59427](https://github.com/ClickHouse/ClickHouse/pull/59427) ([Sean Haynes](https://github.com/seandhaynes)).
* Several minor corner case fixes to S3 proxy support & tunneling. [#63427](https://github.com/ClickHouse/ClickHouse/pull/63427) ([Arthur Passos](https://github.com/arthurpassos)).
* Improve io_uring resubmit visibility. Rename profile event `IOUringSQEsResubmits` -> `IOUringSQEsResubmitsAsync` and add a new one `IOUringSQEsResubmitsSync`. [#63699](https://github.com/ClickHouse/ClickHouse/pull/63699) ([Tomer Shafir](https://github.com/tomershafir)).
* Added a new setting, `metadata_keep_free_space_bytes` to keep free space on the metadata storage disk. [#64128](https://github.com/ClickHouse/ClickHouse/pull/64128) ([MikhailBurdukov](https://github.com/MikhailBurdukov)).
* Add metrics to track the number of directories created and removed by the `plain_rewritable` metadata storage, and the number of entries in the local-to-remote in-memory map. [#64175](https://github.com/ClickHouse/ClickHouse/pull/64175) ([Julia Kartseva](https://github.com/jkartseva)).
* The query cache now considers identical queries with different settings as different. This increases robustness in cases where different settings (e.g. `limit` or `additional_table_filters`) would affect the query result. [#64205](https://github.com/ClickHouse/ClickHouse/pull/64205) ([Robert Schulze](https://github.com/rschu1ze)).
* Support the non standard error code `QpsLimitExceeded` in object storage as a retryable error. [#64225](https://github.com/ClickHouse/ClickHouse/pull/64225) ([Sema Checherinda](https://github.com/CheSema)).
* Forbid converting a MergeTree table to replicated if the zookeeper path for this table already exists. [#64244](https://github.com/ClickHouse/ClickHouse/pull/64244) ([Kirill](https://github.com/kirillgarbar)).
* Added a new setting `input_format_parquet_prefer_block_bytes` to control the average output block bytes, and modified the default value of `input_format_parquet_max_block_size` to 65409. [#64427](https://github.com/ClickHouse/ClickHouse/pull/64427) ([LiuNeng](https://github.com/liuneng1994)).
* Allow proxy to be bypassed for hosts specified in `no_proxy` env variable and ClickHouse proxy configuration. [#63314](https://github.com/ClickHouse/ClickHouse/pull/63314) ([Arthur Passos](https://github.com/arthurpassos)).
* Always start Keeper with sufficient amount of threads in global thread pool. [#64444](https://github.com/ClickHouse/ClickHouse/pull/64444) ([Duc Canh Le](https://github.com/canhld94)).
* Settings from the user's config don't affect merges and mutations for `MergeTree` on top of object storage. [#64456](https://github.com/ClickHouse/ClickHouse/pull/64456) ([alesapin](https://github.com/alesapin)).
* Support the non standard error code `TotalQpsLimitExceeded` in object storage as a retryable error. [#64520](https://github.com/ClickHouse/ClickHouse/pull/64520) ([Sema Checherinda](https://github.com/CheSema)).
* Updated Advanced Dashboard for both open-source and ClickHouse Cloud versions to include a chart for 'Maximum concurrent network connections'. [#64610](https://github.com/ClickHouse/ClickHouse/pull/64610) ([Thom O'Connor](https://github.com/thomoco)).
* Improve progress report on `zeros_mt` and `generateRandom`. [#64804](https://github.com/ClickHouse/ClickHouse/pull/64804) ([Raúl Marín](https://github.com/Algunenano)).
* Add an asynchronous metric `jemalloc.profile.active` to show whether sampling is currently active. This is an activation mechanism in addition to prof.active; both must be active for the calling thread to sample. [#64842](https://github.com/ClickHouse/ClickHouse/pull/64842) ([Unalian](https://github.com/Unalian)).
* Remove mark of `allow_experimental_join_condition` as important. This mark may have prevented distributed queries in a mixed versions cluster from being executed successfully. [#65008](https://github.com/ClickHouse/ClickHouse/pull/65008) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Added server Asynchronous metrics `DiskGetObjectThrottler*` and `DiskGetObjectThrottler*` reflecting request per second rate limit defined with `s3_max_get_rps` and `s3_max_put_rps` disk settings and currently available number of requests that could be sent without hitting throttling limit on the disk. Metrics are defined for every disk that has a configured limit. [#65050](https://github.com/ClickHouse/ClickHouse/pull/65050) ([Sergei Trifonov](https://github.com/serxa)).
* Initialize global trace collector for `Poco::ThreadPool` (needed for Keeper, etc). [#65239](https://github.com/ClickHouse/ClickHouse/pull/65239) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Add a validation when creating a user with `bcrypt_hash`. [#65242](https://github.com/ClickHouse/ClickHouse/pull/65242) ([Raúl Marín](https://github.com/Algunenano)).
* Add profile events for number of rows read during/after `PREWHERE`. [#64198](https://github.com/ClickHouse/ClickHouse/pull/64198) ([Nikita Taranov](https://github.com/nickitat)).
* Print query in `EXPLAIN PLAN` with parallel replicas. [#64298](https://github.com/ClickHouse/ClickHouse/pull/64298) ([vdimir](https://github.com/vdimir)).
* Rename `allow_deprecated_functions` to `allow_deprecated_error_prone_window_functions`. [#64358](https://github.com/ClickHouse/ClickHouse/pull/64358) ([Raúl Marín](https://github.com/Algunenano)).
* Respect `max_read_buffer_size` setting for file descriptors as well in the `file` table function. [#64532](https://github.com/ClickHouse/ClickHouse/pull/64532) ([Azat Khuzhin](https://github.com/azat)).
* Disable transactions for unsupported storages even for materialized views. [#64918](https://github.com/ClickHouse/ClickHouse/pull/64918) ([alesapin](https://github.com/alesapin)).
* Forbid `QUALIFY` clause in the old analyzer. The old analyzer ignored `QUALIFY`, so it could lead to unexpected data removal in mutations. [#65356](https://github.com/ClickHouse/ClickHouse/pull/65356) ([Dmitry Novik](https://github.com/novikd)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* A bug in Apache ORC library was fixed: Fixed ORC statistics calculation, when writing, for unsigned types on all platforms and Int8 on ARM. [#64563](https://github.com/ClickHouse/ClickHouse/pull/64563) ([Michael Kolupaev](https://github.com/al13n321)).
* Returned back the behaviour of how ClickHouse works and interprets Tuples in CSV format. This change effectively reverts https://github.com/ClickHouse/ClickHouse/pull/60994 and makes it available only under a few settings: `output_format_csv_serialize_tuple_into_separate_columns`, `input_format_csv_deserialize_separate_columns_into_tuple` and `input_format_csv_try_infer_strings_from_quoted_tuples`. [#65170](https://github.com/ClickHouse/ClickHouse/pull/65170) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Fix a permission error where a user in a specific situation can escalate their privileges on the default database without necessary grants. [#64769](https://github.com/ClickHouse/ClickHouse/pull/64769) ([pufit](https://github.com/pufit)).
* Fix crash with UniqInjectiveFunctionsEliminationPass and uniqCombined. [#65188](https://github.com/ClickHouse/ClickHouse/pull/65188) ([Raúl Marín](https://github.com/Algunenano)).
* Fix a bug in ClickHouse Keeper that causes digest mismatch during closing session. [#65198](https://github.com/ClickHouse/ClickHouse/pull/65198) ([Aleksei Filatov](https://github.com/aalexfvk)).
* Use correct memory alignment for Distinct combinator. Previously, crash could happen because of invalid memory allocation when the combinator was used. [#65379](https://github.com/ClickHouse/ClickHouse/pull/65379) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix crash with `DISTINCT` and window functions. [#64767](https://github.com/ClickHouse/ClickHouse/pull/64767) ([Igor Nikonov](https://github.com/devcrafter)).
* Fixed 'set' skip index not working with IN and indexHint(). [#62083](https://github.com/ClickHouse/ClickHouse/pull/62083) ([Michael Kolupaev](https://github.com/al13n321)).
* Support executing function during assignment of parameterized view value. [#63502](https://github.com/ClickHouse/ClickHouse/pull/63502) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Fixed parquet memory tracking. [#63584](https://github.com/ClickHouse/ClickHouse/pull/63584) ([Michael Kolupaev](https://github.com/al13n321)).
* Fixed reading of columns of type `Tuple(Map(LowCardinality(String), String), ...)`. [#63956](https://github.com/ClickHouse/ClickHouse/pull/63956) ([Anton Popov](https://github.com/CurtizJ)).
* Fix an `Cyclic aliases` error for cyclic aliases of different type (expression and function). [#63993](https://github.com/ClickHouse/ClickHouse/pull/63993) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* This fix will use a proper redefined context with the correct definer for each individual view in the query pipeline. [#64079](https://github.com/ClickHouse/ClickHouse/pull/64079) ([pufit](https://github.com/pufit)).
* Fix analyzer: "Not found column" error is fixed when using INTERPOLATE. [#64096](https://github.com/ClickHouse/ClickHouse/pull/64096) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Fix creating backups to S3 buckets with different credentials from the disk containing the file. [#64153](https://github.com/ClickHouse/ClickHouse/pull/64153) ([Antonio Andelic](https://github.com/antonio2368)).
* The query cache now considers two identical queries against different databases as different. The previous behavior could be used to bypass missing privileges to read from a table. [#64199](https://github.com/ClickHouse/ClickHouse/pull/64199) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix possible abort on uncaught exception in ~WriteBufferFromFileDescriptor in StatusFile. [#64206](https://github.com/ClickHouse/ClickHouse/pull/64206) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix `duplicate alias` error for distributed queries with `ARRAY JOIN`. [#64226](https://github.com/ClickHouse/ClickHouse/pull/64226) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix unexpected accurateCast from string to integer. [#64255](https://github.com/ClickHouse/ClickHouse/pull/64255) ([wudidapaopao](https://github.com/wudidapaopao)).
* Fixed CNF simplification, in case any OR group contains mutually exclusive atoms. [#64256](https://github.com/ClickHouse/ClickHouse/pull/64256) ([Eduard Karacharov](https://github.com/korowa)).
* Fix Query Tree size validation. [#64377](https://github.com/ClickHouse/ClickHouse/pull/64377) ([Dmitry Novik](https://github.com/novikd)).
* Fix `Logical error: Bad cast` for `Buffer` table with `PREWHERE`. [#64388](https://github.com/ClickHouse/ClickHouse/pull/64388) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Prevent recursive logging in `blob_storage_log` when it's stored on object storage. [#64393](https://github.com/ClickHouse/ClickHouse/pull/64393) ([vdimir](https://github.com/vdimir)).
* Fixed `CREATE TABLE AS` queries for tables with default expressions. [#64455](https://github.com/ClickHouse/ClickHouse/pull/64455) ([Anton Popov](https://github.com/CurtizJ)).
* Fixed `optimize_read_in_order` behaviour for ORDER BY ... NULLS FIRST / LAST on tables with nullable keys. [#64483](https://github.com/ClickHouse/ClickHouse/pull/64483) ([Eduard Karacharov](https://github.com/korowa)).
* Fix the `Expression nodes list expected 1 projection names` and `Unknown expression or identifier` errors for queries with aliases to `GLOBAL IN.`. [#64517](https://github.com/ClickHouse/ClickHouse/pull/64517) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix an error `Cannot find column` in distributed queries with constant CTE in the `GROUP BY` key. [#64519](https://github.com/ClickHouse/ClickHouse/pull/64519) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix the crash loop when restoring from backup is blocked by creating an MV with a definer that hasn't been restored yet. [#64595](https://github.com/ClickHouse/ClickHouse/pull/64595) ([pufit](https://github.com/pufit)).
* Fix the output of function `formatDateTimeInJodaSyntax` when a formatter generates an uneven number of characters and the last character is `0`. For example, `SELECT formatDateTimeInJodaSyntax(toDate('2012-05-29'), 'D')` now correctly returns `150` instead of previously `15`. [#64614](https://github.com/ClickHouse/ClickHouse/pull/64614) ([LiuNeng](https://github.com/liuneng1994)).
* Do not rewrite aggregation if `-If` combinator is already used. [#64638](https://github.com/ClickHouse/ClickHouse/pull/64638) ([Dmitry Novik](https://github.com/novikd)).
* Fix type inference for float (in case of small buffer, i.e. `--max_read_buffer_size 1`). [#64641](https://github.com/ClickHouse/ClickHouse/pull/64641) ([Azat Khuzhin](https://github.com/azat)).
* Fix bug which could lead to non-working TTLs with expressions. [#64694](https://github.com/ClickHouse/ClickHouse/pull/64694) ([alesapin](https://github.com/alesapin)).
* Fix removing the `WHERE` and `PREWHERE` expressions, which are always true (for the new analyzer). [#64695](https://github.com/ClickHouse/ClickHouse/pull/64695) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fixed excessive part elimination by token-based text indexes (`ngrambf` , `full_text`) when filtering by result of `startsWith`, `endsWith`, `match`, `multiSearchAny`. [#64720](https://github.com/ClickHouse/ClickHouse/pull/64720) ([Eduard Karacharov](https://github.com/korowa)).
* Fixes incorrect behaviour of ANSI CSI escaping in the `UTF8::computeWidth` function. [#64756](https://github.com/ClickHouse/ClickHouse/pull/64756) ([Shaun Struwig](https://github.com/Blargian)).
* Fix a case of incorrect removal of `ORDER BY` / `LIMIT BY` across subqueries. [#64766](https://github.com/ClickHouse/ClickHouse/pull/64766) ([Raúl Marín](https://github.com/Algunenano)).
* Fix (experimental) unequal join with subqueries for sets which are in the mixed join conditions. [#64775](https://github.com/ClickHouse/ClickHouse/pull/64775) ([lgbo](https://github.com/lgbo-ustc)).
* Fix crash in a local cache over `plain_rewritable` disk. [#64778](https://github.com/ClickHouse/ClickHouse/pull/64778) ([Julia Kartseva](https://github.com/jkartseva)).
* Keeper fix: return correct value for `zk_latest_snapshot_size` in `mntr` command. [#64784](https://github.com/ClickHouse/ClickHouse/pull/64784) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix `Cannot find column` in distributed query with `ARRAY JOIN` by `Nested` column. Fixes [#64755](https://github.com/ClickHouse/ClickHouse/issues/64755). [#64801](https://github.com/ClickHouse/ClickHouse/pull/64801) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix memory leak in slru cache policy. [#64803](https://github.com/ClickHouse/ClickHouse/pull/64803) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fixed possible incorrect memory tracking in several kinds of queries: queries that read any data from S3, queries via http protocol, asynchronous inserts. [#64844](https://github.com/ClickHouse/ClickHouse/pull/64844) ([Anton Popov](https://github.com/CurtizJ)).
* Fix the `Block structure mismatch` error for queries reading with `PREWHERE` from the materialized view when the materialized view has columns of different types than the source table. Fixes [#64611](https://github.com/ClickHouse/ClickHouse/issues/64611). [#64855](https://github.com/ClickHouse/ClickHouse/pull/64855) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix rare crash when table has TTL with subquery + database replicated + parallel replicas + analyzer. It's really rare, but please don't use TTLs with subqueries. [#64858](https://github.com/ClickHouse/ClickHouse/pull/64858) ([alesapin](https://github.com/alesapin)).
* Fix duplicating `Delete` events in `blob_storage_log` in case of large batch to delete. [#64924](https://github.com/ClickHouse/ClickHouse/pull/64924) ([vdimir](https://github.com/vdimir)).
* Fixed `Session moved to another server` error from [Zoo]Keeper that might happen after server startup when the config has includes from [Zoo]Keeper. [#64986](https://github.com/ClickHouse/ClickHouse/pull/64986) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix `ALTER MODIFY COMMENT` query that was broken for parameterized VIEWs in https://github.com/ClickHouse/ClickHouse/pull/54211. [#65031](https://github.com/ClickHouse/ClickHouse/pull/65031) ([Nikolay Degterinsky](https://github.com/evillique)).
* Fix `host_id` in DatabaseReplicated when `cluster_secure_connection` parameter is enabled. Previously all the connections within the cluster created by DatabaseReplicated were not secure, even if the parameter was enabled. [#65054](https://github.com/ClickHouse/ClickHouse/pull/65054) ([Nikolay Degterinsky](https://github.com/evillique)).
* Fixing the `Not-ready Set` error after the `PREWHERE` optimization for StorageMerge. [#65057](https://github.com/ClickHouse/ClickHouse/pull/65057) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Avoid writing to finalized buffer in File-like storages. [#65063](https://github.com/ClickHouse/ClickHouse/pull/65063) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix possible infinite query duration in case of cyclic aliases. Fixes [#64849](https://github.com/ClickHouse/ClickHouse/issues/64849). [#65081](https://github.com/ClickHouse/ClickHouse/pull/65081) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix the `Unknown expression identifier` error for remote queries with `INTERPOLATE (alias)` (new analyzer). Fixes [#64636](https://github.com/ClickHouse/ClickHouse/issues/64636). [#65090](https://github.com/ClickHouse/ClickHouse/pull/65090) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix pushing arithmetic operations out of aggregation. In the new analyzer, optimization was applied only once. [#65104](https://github.com/ClickHouse/ClickHouse/pull/65104) ([Dmitry Novik](https://github.com/novikd)).
* Fix aggregate function name rewriting in the new analyzer. [#65110](https://github.com/ClickHouse/ClickHouse/pull/65110) ([Dmitry Novik](https://github.com/novikd)).
* Respond with 5xx instead of 200 OK in case of receive timeout while reading (parts of) the request body from the client socket. [#65118](https://github.com/ClickHouse/ClickHouse/pull/65118) ([Julian Maicher](https://github.com/jmaicher)).
* Fix possible crash for hedged requests. [#65206](https://github.com/ClickHouse/ClickHouse/pull/65206) ([Azat Khuzhin](https://github.com/azat)).
* Fix the bug in Hashed and Hashed_Array dictionary short circuit evaluation, which may read uninitialized number, leading to various errors. [#65256](https://github.com/ClickHouse/ClickHouse/pull/65256) ([jsc0218](https://github.com/jsc0218)).
* This PR ensures that the type of the constant(IN operator's second parameter) is always visible during the IN operator's type conversion process. Otherwise, losing type information may cause some conversions to fail, such as the conversion from DateTime to Date. This fixes ([#64487](https://github.com/ClickHouse/ClickHouse/issues/64487)). [#65315](https://github.com/ClickHouse/ClickHouse/pull/65315) ([pn](https://github.com/chloro-pn)).
#### Build/Testing/Packaging Improvement
* Add support for LLVM XRay. [#64592](https://github.com/ClickHouse/ClickHouse/pull/64592) [#64837](https://github.com/ClickHouse/ClickHouse/pull/64837) ([Tomer Shafir](https://github.com/tomershafir)).
* Unite s3/hdfs/azure storage implementations into a single class working with IObjectStorage. Same for *Cluster, data lakes and Queue storages. [#59767](https://github.com/ClickHouse/ClickHouse/pull/59767) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Refactor data part writer to remove dependencies on MergeTreeData and DataPart. [#63620](https://github.com/ClickHouse/ClickHouse/pull/63620) ([Alexander Gololobov](https://github.com/davenger)).
* Refactor `KeyCondition` and key analysis to improve PartitionPruner and trivial count optimization. This is separated from [#60463](https://github.com/ClickHouse/ClickHouse/issues/60463) . [#61459](https://github.com/ClickHouse/ClickHouse/pull/61459) ([Amos Bird](https://github.com/amosbird)).
* Introduce assertions to verify all functions are called with columns of the right size. [#63723](https://github.com/ClickHouse/ClickHouse/pull/63723) ([Raúl Marín](https://github.com/Algunenano)).
* Make `network` service be required when using the `rc` init script to start the ClickHouse server daemon. [#60650](https://github.com/ClickHouse/ClickHouse/pull/60650) ([Chun-Sheng, Li](https://github.com/peter279k)).
* Reduce the size of some slow tests. [#64387](https://github.com/ClickHouse/ClickHouse/pull/64387) [#64452](https://github.com/ClickHouse/ClickHouse/pull/64452) ([Raúl Marín](https://github.com/Algunenano)).
* Replay ZooKeeper logs using keeper-bench. [#62481](https://github.com/ClickHouse/ClickHouse/pull/62481) ([Antonio Andelic](https://github.com/antonio2368)).
### <a id="245"></a> ClickHouse release 24.5, 2024-05-30
#### Backward Incompatible Change

9
CMakeLists.txt
View File

@ -319,7 +319,6 @@ endif()
# Disable floating-point expression contraction in order to get consistent floating point calculation results across platforms
set (COMPILER_FLAGS "${COMPILER_FLAGS} -ffp-contract=off")
# Our built-in unwinder only supports DWARF version up to 4.
set (DEBUG_INFO_FLAGS "-g")
# Disable omit frame pointer compiler optimization using -fno-omit-frame-pointer
@ -333,15 +332,15 @@ endif()
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMPILER_FLAGS} ${CMAKE_CXX_FLAGS_ADD}")
set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -O3 ${DEBUG_INFO_FLAGS} ${CMAKE_CXX_FLAGS_ADD}")
set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 ${DEBUG_INFO_FLAGS} ${CMAKE_CXX_FLAGS_ADD}")
set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Og ${DEBUG_INFO_FLAGS} ${CMAKE_CXX_FLAGS_ADD}")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMPILER_FLAGS} ${CMAKE_C_FLAGS_ADD}")
set (CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -O3 ${DEBUG_INFO_FLAGS} ${CMAKE_C_FLAGS_ADD}")
set (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 ${DEBUG_INFO_FLAGS} ${CMAKE_C_FLAGS_ADD}")
set (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Og ${DEBUG_INFO_FLAGS} ${CMAKE_C_FLAGS_ADD}")
set (CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} ${COMPILER_FLAGS} ${CMAKE_ASM_FLAGS_ADD}")
set (CMAKE_ASM_FLAGS_RELWITHDEBINFO "${CMAKE_ASM_FLAGS_RELWITHDEBINFO} -O3 ${DEBUG_INFO_FLAGS} ${CMAKE_ASM_FLAGS_ADD}")
set (CMAKE_ASM_FLAGS_DEBUG "${CMAKE_ASM_FLAGS_DEBUG} -O0 ${DEBUG_INFO_FLAGS} ${CMAKE_ASM_FLAGS_ADD}")
set (CMAKE_ASM_FLAGS_DEBUG "${CMAKE_ASM_FLAGS_DEBUG} -Og ${DEBUG_INFO_FLAGS} ${CMAKE_ASM_FLAGS_ADD}")
if (OS_DARWIN)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
@ -399,7 +398,7 @@ option (ENABLE_GWP_ASAN "Enable Gwp-Asan" ON)
# but GWP-ASan also wants to use mmap frequently,
# and due to a large number of memory mappings,
# it does not work together well.
if ((NOT OS_LINUX AND NOT OS_ANDROID) OR (CMAKE_BUILD_TYPE_UC STREQUAL "DEBUG"))
if ((NOT OS_LINUX AND NOT OS_ANDROID) OR (CMAKE_BUILD_TYPE_UC STREQUAL "DEBUG") OR SANITIZE)
set(ENABLE_GWP_ASAN OFF)
endif ()

10
README.md
View File

@ -34,20 +34,18 @@ curl https://clickhouse.com/ | sh
Every month we get together with the community (users, contributors, customers, those interested in learning more about ClickHouse) to discuss what is coming in the latest release. If you are interested in sharing what you've built on ClickHouse, let us know.
* [v24.5 Community Call](https://clickhouse.com/company/events/v24-5-community-release-call) - May 30
* [v24.6 Community Call](https://clickhouse.com/company/events/v24-6-community-release-call) - Jul 2
## Upcoming Events
Keep an eye out for upcoming meetups and events around the world. Somewhere else you want us to be? Please feel free to reach out to tyler `<at>` clickhouse `<dot>` com. You can also peruse [ClickHouse Events](https://clickhouse.com/company/news-events) for a list of all upcoming trainings, meetups, speaking engagements, etc.
* [ClickHouse Happy Hour @ Tom's Watch Bar - Los Angeles](https://www.meetup.com/clickhouse-los-angeles-user-group/events/300740584/) - May 22
* [ClickHouse & Confluent Meetup in Dubai](https://www.meetup.com/clickhouse-dubai-meetup-group/events/299629189/) - May 28
* [ClickHouse Meetup in Stockholm](https://www.meetup.com/clickhouse-stockholm-user-group/events/299752651/) - Jun 3
* [ClickHouse Meetup @ Cloudflare - San Francisco](https://www.meetup.com/clickhouse-silicon-valley-meetup-group/events/300523061/) - Jun 4
* [ClickHouse (クリックハウス) Meetup Tokyo](https://www.meetup.com/clickhouse-tokyo-user-group/events/300798053/) - Jun 5
* [AWS Summit in DC](https://clickhouse.com/company/events/2024-06-aws-summit-dc) - Jun 26
* [ClickHouse Meetup in Amsterdam](https://www.meetup.com/clickhouse-netherlands-user-group/events/300781068/) - Jun 27
* [ClickHouse Meetup in Paris](https://www.meetup.com/clickhouse-france-user-group/events/300783448/) - Jul 9
* [ClickHouse Cloud - Live Update Call](https://clickhouse.com/company/events/202407-cloud-update-live) - Jul 9
* [ClickHouse Meetup @ Ramp - New York City](https://www.meetup.com/clickhouse-new-york-user-group/events/300595845/) - Jul 9
* [AWS Summit in New York](https://clickhouse.com/company/events/2024-07-awssummit-nyc) - Jul 10
* [ClickHouse Meetup @ Klaviyo - Boston](https://www.meetup.com/clickhouse-boston-user-group/events/300907870) - Jul 11
## Recent Recordings

1
SECURITY.md
View File

@ -14,6 +14,7 @@ The following versions of ClickHouse server are currently supported with securit
| Version | Supported |
|:-|:-|
| 24.6 | ✔️ |
| 24.5 | ✔️ |
| 24.4 | ✔️ |
| 24.3 | ✔️ |

2
base/base/EnumReflection.h
View File

@ -32,7 +32,7 @@ constexpr void static_for(F && f)
template <is_enum T>
struct fmt::formatter<T> : fmt::formatter<std::string_view>
{
constexpr auto format(T value, auto& format_context)
constexpr auto format(T value, auto& format_context) const
{
return formatter<string_view>::format(magic_enum::enum_name(value), format_context);
}

4
base/base/StringRef.h
View File

@ -12,6 +12,8 @@
#include <base/types.h>
#include <base/unaligned.h>
#include <base/simd.h>
#include <fmt/core.h>
#include <fmt/ostream.h>
#include <city.h>
@ -376,3 +378,5 @@ namespace PackedZeroTraits
std::ostream & operator<<(std::ostream & os, const StringRef & str);
template<> struct fmt::formatter<StringRef> : fmt::ostream_formatter {};

4
base/base/getFQDNOrHostName.cpp
View File

@ -6,6 +6,9 @@ namespace
{
std::string getFQDNOrHostNameImpl()
{
#if defined(OS_DARWIN)
return Poco::Net::DNS::hostName();
#else
try
{
return Poco::Net::DNS::thisHost().name();
@ -14,6 +17,7 @@ namespace
{
return Poco::Net::DNS::hostName();
}
#endif
}
}

2
base/base/wide_integer_to_string.h
View File

@ -62,7 +62,7 @@ struct fmt::formatter<wide::integer<Bits, Signed>>
}
template <typename FormatContext>
auto format(const wide::integer<Bits, Signed> & value, FormatContext & ctx)
auto format(const wide::integer<Bits, Signed> & value, FormatContext & ctx) const
{
return fmt::format_to(ctx.out(), "{}", to_string(value));
}

21
base/poco/Crypto/src/OpenSSLInitializer.cpp
View File

@ -23,9 +23,6 @@
#include <openssl/conf.h>
#endif
#if __has_feature(address_sanitizer)
#include <sanitizer/lsan_interface.h>
#endif
using Poco::RandomInputStream;
using Poco::Thread;
@ -70,18 +67,12 @@ void OpenSSLInitializer::initialize()
SSL_library_init();
SSL_load_error_strings();
OpenSSL_add_all_algorithms();
char seed[SEEDSIZE];
RandomInputStream rnd;
rnd.read(seed, sizeof(seed));
{
# if __has_feature(address_sanitizer)
/// Leak sanitizer (part of address sanitizer) thinks that a few bytes of memory in OpenSSL are allocated during but never released.
__lsan::ScopedDisabler lsan_disabler;
#endif
RAND_seed(seed, SEEDSIZE);
}
RAND_seed(seed, SEEDSIZE);
int nMutexes = CRYPTO_num_locks();
_mutexes = new Poco::FastMutex[nMutexes];
CRYPTO_set_locking_callback(&OpenSSLInitializer::lock);
@ -89,8 +80,8 @@ void OpenSSLInitializer::initialize()
// https://sourceforge.net/p/poco/bugs/110/
//
// From http://www.openssl.org/docs/crypto/threads.html :
// "If the application does not register such a callback using CRYPTO_THREADID_set_callback(),
// then a default implementation is used - on Windows and BeOS this uses the system's
// "If the application does not register such a callback using CRYPTO_THREADID_set_callback(),
// then a default implementation is used - on Windows and BeOS this uses the system's
// default thread identifying APIs"
CRYPTO_set_id_callback(&OpenSSLInitializer::id);
CRYPTO_set_dynlock_create_callback(&OpenSSLInitializer::dynlockCreate);
@ -109,7 +100,7 @@ void OpenSSLInitializer::uninitialize()
CRYPTO_set_locking_callback(0);
CRYPTO_set_id_callback(0);
delete [] _mutexes;
CONF_modules_free();
}
}

1
base/poco/Foundation/CMakeLists.txt
View File

@ -213,6 +213,7 @@ target_compile_definitions (_poco_foundation
)
target_include_directories (_poco_foundation SYSTEM PUBLIC "include")
target_link_libraries (_poco_foundation PRIVATE clickhouse_common_io)
target_link_libraries (_poco_foundation
PRIVATE

20
base/poco/Foundation/include/Poco/ThreadPool.h
View File

@ -48,7 +48,13 @@ class Foundation_API ThreadPool
/// from the pool.
{
public:
ThreadPool(int minCapacity = 2, int maxCapacity = 16, int idleTime = 60, int stackSize = POCO_THREAD_STACK_SIZE);
explicit ThreadPool(
int minCapacity = 2,
int maxCapacity = 16,
int idleTime = 60,
int stackSize = POCO_THREAD_STACK_SIZE,
size_t global_profiler_real_time_period_ns_ = 0,
size_t global_profiler_cpu_time_period_ns_ = 0);
/// Creates a thread pool with minCapacity threads.
/// If required, up to maxCapacity threads are created
/// a NoThreadAvailableException exception is thrown.
@ -56,8 +62,14 @@ public:
/// and more than minCapacity threads are running, the thread
/// is killed. Threads are created with given stack size.
ThreadPool(
const std::string & name, int minCapacity = 2, int maxCapacity = 16, int idleTime = 60, int stackSize = POCO_THREAD_STACK_SIZE);
explicit ThreadPool(
const std::string & name,
int minCapacity = 2,
int maxCapacity = 16,
int idleTime = 60,
int stackSize = POCO_THREAD_STACK_SIZE,
size_t global_profiler_real_time_period_ns_ = 0,
size_t global_profiler_cpu_time_period_ns_ = 0);
/// Creates a thread pool with the given name and minCapacity threads.
/// If required, up to maxCapacity threads are created
/// a NoThreadAvailableException exception is thrown.
@ -171,6 +183,8 @@ private:
int _serial;
int _age;
int _stackSize;
size_t _globalProfilerRealTimePeriodNs;
size_t _globalProfilerCPUTimePeriodNs;
ThreadVec _threads;
mutable FastMutex _mutex;
};

75
base/poco/Foundation/src/ThreadPool.cpp
View File

@ -20,6 +20,7 @@
#include "Poco/ErrorHandler.h"
#include <sstream>
#include <ctime>
#include <Common/ThreadPool.h>
namespace Poco {
@ -28,7 +29,11 @@ namespace Poco {
class PooledThread: public Runnable
{
public:
PooledThread(const std::string& name, int stackSize = POCO_THREAD_STACK_SIZE);
explicit PooledThread(
const std::string& name,
int stackSize = POCO_THREAD_STACK_SIZE,
size_t globalProfilerRealTimePeriodNs_ = 0,
size_t globalProfilerCPUTimePeriodNs_ = 0);
~PooledThread();
void start();
@ -51,16 +56,24 @@ private:
Event _targetCompleted;
Event _started;
FastMutex _mutex;
size_t _globalProfilerRealTimePeriodNs;
size_t _globalProfilerCPUTimePeriodNs;
};
PooledThread::PooledThread(const std::string& name, int stackSize):
_idle(true),
_idleTime(0),
_pTarget(0),
_name(name),
PooledThread::PooledThread(
const std::string& name,
int stackSize,
size_t globalProfilerRealTimePeriodNs_,
size_t globalProfilerCPUTimePeriodNs_) :
_idle(true),
_idleTime(0),
_pTarget(0),
_name(name),
_thread(name),
_targetCompleted(false)
_targetCompleted(false),
_globalProfilerRealTimePeriodNs(globalProfilerRealTimePeriodNs_),
_globalProfilerCPUTimePeriodNs(globalProfilerCPUTimePeriodNs_)
{
poco_assert_dbg (stackSize >= 0);
_thread.setStackSize(stackSize);
@ -83,7 +96,7 @@ void PooledThread::start()
void PooledThread::start(Thread::Priority priority, Runnable& target)
{
FastMutex::ScopedLock lock(_mutex);
poco_assert (_pTarget == 0);
_pTarget = &target;
@ -109,7 +122,7 @@ void PooledThread::start(Thread::Priority priority, Runnable& target, const std:
}
_thread.setName(fullName);
_thread.setPriority(priority);
poco_assert (_pTarget == 0);
_pTarget = &target;
@ -145,7 +158,7 @@ void PooledThread::join()
void PooledThread::activate()
{
FastMutex::ScopedLock lock(_mutex);
poco_assert (_idle);
_idle = false;
_targetCompleted.reset();
@ -155,7 +168,7 @@ void PooledThread::activate()
void PooledThread::release()
{
const long JOIN_TIMEOUT = 10000;
_mutex.lock();
_pTarget = 0;
_mutex.unlock();
@ -174,6 +187,10 @@ void PooledThread::release()
void PooledThread::run()
{
DB::ThreadStatus thread_status;
if (unlikely(_globalProfilerRealTimePeriodNs != 0 || _globalProfilerCPUTimePeriodNs != 0))
thread_status.initGlobalProfiler(_globalProfilerRealTimePeriodNs, _globalProfilerCPUTimePeriodNs);
_started.set();
for (;;)
{
@ -220,13 +237,17 @@ void PooledThread::run()
ThreadPool::ThreadPool(int minCapacity,
int maxCapacity,
int idleTime,
int stackSize):
_minCapacity(minCapacity),
_maxCapacity(maxCapacity),
int stackSize,
size_t globalProfilerRealTimePeriodNs_,
size_t globalProfilerCPUTimePeriodNs_) :
_minCapacity(minCapacity),
_maxCapacity(maxCapacity),
_idleTime(idleTime),
_serial(0),
_age(0),
_stackSize(stackSize)
_stackSize(stackSize),
_globalProfilerRealTimePeriodNs(globalProfilerRealTimePeriodNs_),
_globalProfilerCPUTimePeriodNs(globalProfilerCPUTimePeriodNs_)
{
poco_assert (minCapacity >= 1 && maxCapacity >= minCapacity && idleTime > 0);
@ -243,14 +264,18 @@ ThreadPool::ThreadPool(const std::string& name,
int minCapacity,
int maxCapacity,
int idleTime,
int stackSize):
int stackSize,
size_t globalProfilerRealTimePeriodNs_,
size_t globalProfilerCPUTimePeriodNs_) :
_name(name),
_minCapacity(minCapacity),
_maxCapacity(maxCapacity),
_minCapacity(minCapacity),
_maxCapacity(maxCapacity),
_idleTime(idleTime),
_serial(0),
_age(0),
_stackSize(stackSize)
_stackSize(stackSize),
_globalProfilerRealTimePeriodNs(globalProfilerRealTimePeriodNs_),
_globalProfilerCPUTimePeriodNs(globalProfilerCPUTimePeriodNs_)
{
poco_assert (minCapacity >= 1 && maxCapacity >= minCapacity && idleTime > 0);
@ -393,15 +418,15 @@ void ThreadPool::housekeep()
ThreadVec activeThreads;
idleThreads.reserve(_threads.size());
activeThreads.reserve(_threads.size());
for (ThreadVec::iterator it = _threads.begin(); it != _threads.end(); ++it)
{
if ((*it)->idle())
{
if ((*it)->idleTime() < _idleTime)
idleThreads.push_back(*it);
else
expiredThreads.push_back(*it);
else
expiredThreads.push_back(*it);
}
else activeThreads.push_back(*it);
}
@ -463,7 +488,7 @@ PooledThread* ThreadPool::createThread()
{
std::ostringstream name;
name << _name << "[#" << ++_serial << "]";
return new PooledThread(name.str(), _stackSize);
return new PooledThread(name.str(), _stackSize, _globalProfilerRealTimePeriodNs, _globalProfilerCPUTimePeriodNs);
}
@ -481,7 +506,7 @@ public:
ThreadPool* pool()
{
FastMutex::ScopedLock lock(_mutex);
if (!_pPool)
{
_pPool = new ThreadPool("default");
@ -490,7 +515,7 @@ public:
}
return _pPool;
}
private:
ThreadPool* _pPool;
FastMutex _mutex;

76
base/poco/NetSSL_OpenSSL/include/Poco/Net/SSLManager.h
View File

@ -17,6 +17,7 @@
#ifndef NetSSL_SSLManager_INCLUDED
#define NetSSL_SSLManager_INCLUDED
#include <unordered_map>
#include <openssl/ssl.h>
#include "Poco/BasicEvent.h"
@ -219,6 +220,13 @@ namespace Net
/// Unless initializeClient() has been called, the first call to this method initializes the default Context
/// from the application configuration.
Context::Ptr getCustomServerContext(const std::string & name);
/// Return custom Context used by the server.
Context::Ptr setCustomServerContext(const std::string & name, Context::Ptr ctx);
/// Set custom Context used by the server.
/// Return pointer on inserted Context or on old Context if exists.
PrivateKeyPassphraseHandlerPtr serverPassphraseHandler();
/// Returns the configured passphrase handler of the server. If none is set, the method will create a default one
/// from an application configuration.
@ -258,6 +266,40 @@ namespace Net
static const std::string CFG_SERVER_PREFIX;
static const std::string CFG_CLIENT_PREFIX;
static const std::string CFG_PRIV_KEY_FILE;
static const std::string CFG_CERTIFICATE_FILE;
static const std::string CFG_CA_LOCATION;
static const std::string CFG_VER_MODE;
static const Context::VerificationMode VAL_VER_MODE;
static const std::string CFG_VER_DEPTH;
static const int VAL_VER_DEPTH;
static const std::string CFG_ENABLE_DEFAULT_CA;
static const bool VAL_ENABLE_DEFAULT_CA;
static const std::string CFG_CIPHER_LIST;
static const std::string CFG_CYPHER_LIST; // for backwards compatibility
static const std::string VAL_CIPHER_LIST;
static const std::string CFG_PREFER_SERVER_CIPHERS;
static const std::string CFG_DELEGATE_HANDLER;
static const std::string VAL_DELEGATE_HANDLER;
static const std::string CFG_CERTIFICATE_HANDLER;
static const std::string VAL_CERTIFICATE_HANDLER;
static const std::string CFG_CACHE_SESSIONS;
static const std::string CFG_SESSION_ID_CONTEXT;
static const std::string CFG_SESSION_CACHE_SIZE;
static const std::string CFG_SESSION_TIMEOUT;
static const std::string CFG_EXTENDED_VERIFICATION;
static const std::string CFG_REQUIRE_TLSV1;
static const std::string CFG_REQUIRE_TLSV1_1;
static const std::string CFG_REQUIRE_TLSV1_2;
static const std::string CFG_DISABLE_PROTOCOLS;
static const std::string CFG_DH_PARAMS_FILE;
static const std::string CFG_ECDH_CURVE;
#ifdef OPENSSL_FIPS
static const std::string CFG_FIPS_MODE;
static const bool VAL_FIPS_MODE;
#endif
protected:
static int verifyClientCallback(int ok, X509_STORE_CTX * pStore);
/// The return value of this method defines how errors in
@ -314,39 +356,7 @@ namespace Net
InvalidCertificateHandlerPtr _ptrClientCertificateHandler;
Poco::FastMutex _mutex;
static const std::string CFG_PRIV_KEY_FILE;
static const std::string CFG_CERTIFICATE_FILE;
static const std::string CFG_CA_LOCATION;
static const std::string CFG_VER_MODE;
static const Context::VerificationMode VAL_VER_MODE;
static const std::string CFG_VER_DEPTH;
static const int VAL_VER_DEPTH;
static const std::string CFG_ENABLE_DEFAULT_CA;
static const bool VAL_ENABLE_DEFAULT_CA;
static const std::string CFG_CIPHER_LIST;
static const std::string CFG_CYPHER_LIST; // for backwards compatibility
static const std::string VAL_CIPHER_LIST;
static const std::string CFG_PREFER_SERVER_CIPHERS;
static const std::string CFG_DELEGATE_HANDLER;
static const std::string VAL_DELEGATE_HANDLER;
static const std::string CFG_CERTIFICATE_HANDLER;
static const std::string VAL_CERTIFICATE_HANDLER;
static const std::string CFG_CACHE_SESSIONS;
static const std::string CFG_SESSION_ID_CONTEXT;
static const std::string CFG_SESSION_CACHE_SIZE;
static const std::string CFG_SESSION_TIMEOUT;
static const std::string CFG_EXTENDED_VERIFICATION;
static const std::string CFG_REQUIRE_TLSV1;
static const std::string CFG_REQUIRE_TLSV1_1;
static const std::string CFG_REQUIRE_TLSV1_2;
static const std::string CFG_DISABLE_PROTOCOLS;
static const std::string CFG_DH_PARAMS_FILE;
static const std::string CFG_ECDH_CURVE;
#ifdef OPENSSL_FIPS
static const std::string CFG_FIPS_MODE;
static const bool VAL_FIPS_MODE;
#endif
std::unordered_map<std::string, Context::Ptr> _mapPtrServerContexts;
friend class Poco::SingletonHolder<SSLManager>;
friend class Context;

5
base/poco/NetSSL_OpenSSL/include/Poco/Net/SecureSocketImpl.h
View File

@ -235,8 +235,6 @@ namespace Net
/// Note that simply closing a socket is not sufficient
/// to be able to re-use it again.
Poco::Timespan getMaxTimeout();
private:
SecureSocketImpl(const SecureSocketImpl &);
SecureSocketImpl & operator=(const SecureSocketImpl &);
@ -250,6 +248,9 @@ namespace Net
Session::Ptr _pSession;
friend class SecureStreamSocketImpl;
Poco::Timespan getMaxTimeoutOrLimit();
//// Return max(send, receive) if non zero, otherwise maximum timeout
};

58
base/poco/NetSSL_OpenSSL/src/SSLManager.cpp
View File

@ -330,27 +330,26 @@ void SSLManager::initDefaultContext(bool server)
else
_ptrDefaultClientContext->disableProtocols(disabledProtocols);
/// Temporarily disabled during the transition from boringssl to OpenSSL due to tsan issues.
/// bool cacheSessions = config.getBool(prefix + CFG_CACHE_SESSIONS, false);
/// if (server)
/// {
/// std::string sessionIdContext = config.getString(prefix + CFG_SESSION_ID_CONTEXT, config.getString("application.name", ""));
/// _ptrDefaultServerContext->enableSessionCache(cacheSessions, sessionIdContext);
/// if (config.hasProperty(prefix + CFG_SESSION_CACHE_SIZE))
/// {
/// int cacheSize = config.getInt(prefix + CFG_SESSION_CACHE_SIZE);
/// _ptrDefaultServerContext->setSessionCacheSize(cacheSize);
/// }
/// if (config.hasProperty(prefix + CFG_SESSION_TIMEOUT))
/// {
/// int timeout = config.getInt(prefix + CFG_SESSION_TIMEOUT);
/// _ptrDefaultServerContext->setSessionTimeout(timeout);
/// }
/// }
/// else
/// {
/// _ptrDefaultClientContext->enableSessionCache(cacheSessions);
/// }
bool cacheSessions = config.getBool(prefix + CFG_CACHE_SESSIONS, false);
if (server)
{
std::string sessionIdContext = config.getString(prefix + CFG_SESSION_ID_CONTEXT, config.getString("application.name", ""));
_ptrDefaultServerContext->enableSessionCache(cacheSessions, sessionIdContext);
if (config.hasProperty(prefix + CFG_SESSION_CACHE_SIZE))
{
int cacheSize = config.getInt(prefix + CFG_SESSION_CACHE_SIZE);
_ptrDefaultServerContext->setSessionCacheSize(cacheSize);
}
if (config.hasProperty(prefix + CFG_SESSION_TIMEOUT))
{
int timeout = config.getInt(prefix + CFG_SESSION_TIMEOUT);
_ptrDefaultServerContext->setSessionTimeout(timeout);
}
}
else
{
_ptrDefaultClientContext->enableSessionCache(cacheSessions);
}
bool extendedVerification = config.getBool(prefix + CFG_EXTENDED_VERIFICATION, false);
if (server)
_ptrDefaultServerContext->enableExtendedCertificateVerification(extendedVerification);
@ -429,6 +428,23 @@ void SSLManager::initCertificateHandler(bool server)
}
Context::Ptr SSLManager::getCustomServerContext(const std::string & name)
{
Poco::FastMutex::ScopedLock lock(_mutex);
auto it = _mapPtrServerContexts.find(name);
if (it != _mapPtrServerContexts.end())
return it->second;
return nullptr;
}
Context::Ptr SSLManager::setCustomServerContext(const std::string & name, Context::Ptr ctx)
{
Poco::FastMutex::ScopedLock lock(_mutex);
ctx = _mapPtrServerContexts.insert({name, ctx}).first->second;
return ctx;
}
Poco::Util::AbstractConfiguration& SSLManager::appConfig()
{
try

31
base/poco/NetSSL_OpenSSL/src/SecureSocketImpl.cpp
View File

@ -199,7 +199,7 @@ void SecureSocketImpl::connectSSL(bool performHandshake)
if (performHandshake && _pSocket->getBlocking())
{
int ret;
Poco::Timespan remaining_time = getMaxTimeout();
Poco::Timespan remaining_time = getMaxTimeoutOrLimit();
do
{
RemainingTimeCounter counter(remaining_time);
@ -302,7 +302,7 @@ int SecureSocketImpl::sendBytes(const void* buffer, int length, int flags)
return rc;
}
Poco::Timespan remaining_time = getMaxTimeout();
Poco::Timespan remaining_time = getMaxTimeoutOrLimit();
do
{
RemainingTimeCounter counter(remaining_time);
@ -338,7 +338,7 @@ int SecureSocketImpl::receiveBytes(void* buffer, int length, int flags)
return rc;
}
Poco::Timespan remaining_time = getMaxTimeout();
Poco::Timespan remaining_time = getMaxTimeoutOrLimit();
do
{
/// SSL record may consist of several TCP packets,
@ -372,7 +372,7 @@ int SecureSocketImpl::completeHandshake()
poco_check_ptr (_pSSL);
int rc;
Poco::Timespan remaining_time = getMaxTimeout();
Poco::Timespan remaining_time = getMaxTimeoutOrLimit();
do
{
RemainingTimeCounter counter(remaining_time);
@ -453,18 +453,29 @@ X509* SecureSocketImpl::peerCertificate() const
return 0;
}
Poco::Timespan SecureSocketImpl::getMaxTimeout()
Poco::Timespan SecureSocketImpl::getMaxTimeoutOrLimit()
{
std::lock_guard<std::recursive_mutex> lock(_mutex);
Poco::Timespan remaining_time = _pSocket->getReceiveTimeout();
Poco::Timespan send_timeout = _pSocket->getSendTimeout();
if (remaining_time < send_timeout)
remaining_time = send_timeout;
/// zero SO_SNDTIMEO/SO_RCVTIMEO works as no timeout, let's replicate this
///
/// NOTE: we cannot use INT64_MAX (std::numeric_limits<Poco::Timespan::TimeDiff>::max()),
/// since it will be later passed to poll() which accept int timeout, and
/// even though poll() accepts milliseconds and Timespan() accepts
/// microseconds, let's use smaller maximum value just to avoid some possible
/// issues, this should be enough anyway (it is ~24 days).
if (remaining_time == 0)
remaining_time = Poco::Timespan(std::numeric_limits<int>::max());
return remaining_time;
}
bool SecureSocketImpl::mustRetry(int rc, Poco::Timespan& remaining_time)
{
if (remaining_time == 0)
return false;
std::lock_guard<std::recursive_mutex> lock(_mutex);
if (rc <= 0)
{
@ -475,9 +486,7 @@ bool SecureSocketImpl::mustRetry(int rc, Poco::Timespan& remaining_time)
case SSL_ERROR_WANT_READ:
if (_pSocket->getBlocking())
{
/// Level-triggered mode of epoll_wait is used, so if SSL_read don't read all available data from socket,
/// epoll_wait returns true without waiting for new data even if remaining_time == 0
if (_pSocket->pollImpl(remaining_time, Poco::Net::Socket::SELECT_READ) && remaining_time != 0)
if (_pSocket->pollImpl(remaining_time, Poco::Net::Socket::SELECT_READ))
return true;
else
throw Poco::TimeoutException();
@ -486,13 +495,15 @@ bool SecureSocketImpl::mustRetry(int rc, Poco::Timespan& remaining_time)
case SSL_ERROR_WANT_WRITE:
if (_pSocket->getBlocking())
{
/// The same as for SSL_ERROR_WANT_READ
if (_pSocket->pollImpl(remaining_time, Poco::Net::Socket::SELECT_WRITE) && remaining_time != 0)
if (_pSocket->pollImpl(remaining_time, Poco::Net::Socket::SELECT_WRITE))
return true;
else
throw Poco::TimeoutException();
}
break;
/// NOTE: POCO_EINTR is the same as SSL_ERROR_WANT_READ (at least in
/// OpenSSL), so this likely dead code, but let's leave it for
/// compatibility with other implementations
case SSL_ERROR_SYSCALL:
return socketError == POCO_EAGAIN || socketError == POCO_EINTR;
default:

12
cmake/autogenerated_versions.txt
View File

@ -1,12 +1,12 @@
# This variables autochanged by tests/ci/version_helper.py:
# NOTE: has nothing common with DBMS_TCP_PROTOCOL_VERSION,
# NOTE: VERSION_REVISION has nothing common with DBMS_TCP_PROTOCOL_VERSION,
# only DBMS_TCP_PROTOCOL_VERSION should be incremented on protocol changes.
SET(VERSION_REVISION 54487)
SET(VERSION_REVISION 54488)
SET(VERSION_MAJOR 24)
SET(VERSION_MINOR 6)
SET(VERSION_MINOR 7)
SET(VERSION_PATCH 1)
SET(VERSION_GITHASH 70a1d3a63d47f0be077d67b8deb907230fc7cfb0)
SET(VERSION_DESCRIBE v24.6.1.1-testing)
SET(VERSION_STRING 24.6.1.1)
SET(VERSION_GITHASH aa023477a9265e403982fca5ee29a714db5133d9)
SET(VERSION_DESCRIBE v24.7.1.1-testing)
SET(VERSION_STRING 24.7.1.1)
# end of autochange

2
contrib/aws vendored

@ -1 +1 @@
Subproject commit deeaa9e7c5fe690e3dacc4005d7ecfa7a66a32bb
Subproject commit 1c2946bfcb7f1e3ae0a858de0b59d4f1a7b4ccaf

2
contrib/fmtlib vendored

@ -1 +1 @@
Subproject commit b6f4ceaed0a0a24ccf575fab6c56dd50ccf6f1a9
Subproject commit a33701196adfad74917046096bf5a2aa0ab0bb50

1
contrib/fmtlib-cmake/CMakeLists.txt
View File

@ -13,7 +13,6 @@ set (SRCS
${FMT_SOURCE_DIR}/include/fmt/core.h
${FMT_SOURCE_DIR}/include/fmt/format.h
${FMT_SOURCE_DIR}/include/fmt/format-inl.h
${FMT_SOURCE_DIR}/include/fmt/locale.h
${FMT_SOURCE_DIR}/include/fmt/os.h
${FMT_SOURCE_DIR}/include/fmt/ostream.h
${FMT_SOURCE_DIR}/include/fmt/printf.h

2
contrib/jemalloc-cmake/CMakeLists.txt
View File

@ -34,7 +34,7 @@ if (OS_LINUX)
# avoid spurious latencies and additional work associated with
# MADV_DONTNEED. See
# https://github.com/ClickHouse/ClickHouse/issues/11121 for motivation.
set (JEMALLOC_CONFIG_MALLOC_CONF "percpu_arena:percpu,oversize_threshold:0,muzzy_decay_ms:0,dirty_decay_ms:5000")
set (JEMALLOC_CONFIG_MALLOC_CONF "percpu_arena:percpu,oversize_threshold:0,muzzy_decay_ms:0,dirty_decay_ms:5000,prof:true,prof_active:false,background_thread:true")
else()
set (JEMALLOC_CONFIG_MALLOC_CONF "oversize_threshold:0,muzzy_decay_ms:0,dirty_decay_ms:5000")
endif()

2
contrib/mariadb-connector-c vendored

@ -1 +1 @@
Subproject commit e39608998f5f6944ece9ec61f48e9172ec1de660
Subproject commit d0a788c5b9fcaca2368d9233770d3ca91ea79f88

2
contrib/openssl vendored

@ -1 +1 @@
Subproject commit 67c0b63e578e4c751ac9edf490f5a96124fff8dc
Subproject commit 5d81fa7068fc8c07f4d0997d5b703f3c541a637c

2
contrib/re2 vendored

@ -1 +1 @@
Subproject commit a807e8a3aac2cc33c77b7071efea54fcabe38e0c
Subproject commit 85dd7ad833a73095ecf3e3baea608ba051bbe2c7

12
contrib/re2-cmake/CMakeLists.txt
View File

@ -28,16 +28,20 @@ set(RE2_SOURCES
add_library(_re2 ${RE2_SOURCES})
target_include_directories(_re2 PUBLIC "${SRC_DIR}")
target_link_libraries(_re2 PRIVATE
absl::absl_check
absl::absl_log
absl::base
absl::core_headers
absl::fixed_array
absl::flags
absl::flat_hash_map
absl::flat_hash_set
absl::hash
absl::inlined_vector
absl::strings
absl::str_format
absl::synchronization
absl::optional
absl::span)
absl::span
absl::str_format
absl::strings
absl::synchronization)
add_library(ch_contrib::re2 ALIAS _re2)

2
docker/keeper/Dockerfile
View File

@ -34,7 +34,7 @@ RUN arch=${TARGETARCH:-amd64} \
# lts / testing / prestable / etc
ARG REPO_CHANNEL="stable"
ARG REPOSITORY="https://packages.clickhouse.com/tgz/${REPO_CHANNEL}"
ARG VERSION="24.5.1.1763"
ARG VERSION="24.6.1.4423"
ARG PACKAGES="clickhouse-keeper"
ARG DIRECT_DOWNLOAD_URLS=""

2
docker/server/Dockerfile.alpine
View File

@ -32,7 +32,7 @@ RUN arch=${TARGETARCH:-amd64} \
# lts / testing / prestable / etc
ARG REPO_CHANNEL="stable"
ARG REPOSITORY="https://packages.clickhouse.com/tgz/${REPO_CHANNEL}"
ARG VERSION="24.5.1.1763"
ARG VERSION="24.6.1.4423"
ARG PACKAGES="clickhouse-client clickhouse-server clickhouse-common-static"
ARG DIRECT_DOWNLOAD_URLS=""

2
docker/server/Dockerfile.ubuntu
View File

@ -28,7 +28,7 @@ RUN sed -i "s|http://archive.ubuntu.com|${apt_archive}|g" /etc/apt/sources.list
ARG REPO_CHANNEL="stable"
ARG REPOSITORY="deb [signed-by=/usr/share/keyrings/clickhouse-keyring.gpg] https://packages.clickhouse.com/deb ${REPO_CHANNEL} main"
ARG VERSION="24.5.1.1763"
ARG VERSION="24.6.1.4423"
ARG PACKAGES="clickhouse-client clickhouse-server clickhouse-common-static"
#docker-official-library:off

1
docker/test/fuzzer/run-fuzzer.sh
View File

@ -208,6 +208,7 @@ handle SIGPIPE nostop noprint pass
handle SIGTERM nostop noprint pass
handle SIGUSR1 nostop noprint pass
handle SIGUSR2 nostop noprint pass
handle SIGSEGV nostop pass
handle SIG$RTMIN nostop noprint pass
info signals
continue

1
docker/test/stateless/attach_gdb.lib
View File

@ -20,6 +20,7 @@ handle SIGPIPE nostop noprint pass
handle SIGTERM nostop noprint pass
handle SIGUSR1 nostop noprint pass
handle SIGUSR2 nostop noprint pass
handle SIGSEGV nostop pass
handle SIG$RTMIN nostop noprint pass
info signals
continue

12
docker/test/stateless/run.sh
View File

@ -253,8 +253,8 @@ function run_tests()
try_run_with_retry 10 clickhouse-client -q "insert into system.zookeeper (name, path, value) values ('auxiliary_zookeeper2', '/test/chroot/', '')"
set +e
clickhouse-test --testname --shard --zookeeper --check-zookeeper-session --hung-check --print-time \
--test-runs "$NUM_TRIES" "${ADDITIONAL_OPTIONS[@]}" 2>&1 \
timeout -s TERM --preserve-status 120m clickhouse-test --testname --shard --zookeeper --check-zookeeper-session --hung-check --print-time \
--no-drop-if-fail --test-runs "$NUM_TRIES" "${ADDITIONAL_OPTIONS[@]}" 2>&1 \
| ts '%Y-%m-%d %H:%M:%S' \
| tee -a test_output/test_result.txt
set -e
@ -285,7 +285,7 @@ stop_logs_replication
# Try to get logs while server is running
failed_to_save_logs=0
for table in query_log zookeeper_log trace_log transactions_info_log metric_log blob_storage_log
for table in query_log zookeeper_log trace_log transactions_info_log metric_log blob_storage_log error_log
do
err=$(clickhouse-client -q "select * from system.$table into outfile '/test_output/$table.tsv.gz' format TSVWithNamesAndTypes")
echo "$err"
@ -339,7 +339,7 @@ if [ $failed_to_save_logs -ne 0 ]; then
# directly
# - even though ci auto-compress some files (but not *.tsv) it does this only
# for files >64MB, we want this files to be compressed explicitly
for table in query_log zookeeper_log trace_log transactions_info_log metric_log blob_storage_log
for table in query_log zookeeper_log trace_log transactions_info_log metric_log blob_storage_log error_log
do
clickhouse-local "$data_path_config" --only-system-tables --stacktrace -q "select * from system.$table format TSVWithNamesAndTypes" | zstd --threads=0 > /test_output/$table.tsv.zst ||:
if [[ -n "$USE_DATABASE_REPLICATED" ]] && [[ "$USE_DATABASE_REPLICATED" -eq 1 ]]; then
@ -379,6 +379,10 @@ fi
tar -chf /test_output/coordination.tar /var/lib/clickhouse/coordination ||:
rm -rf /var/lib/clickhouse/data/system/*/
tar -chf /test_output/store.tar /var/lib/clickhouse/store ||:
tar -chf /test_output/metadata.tar /var/lib/clickhouse/metadata/*.sql ||:
if [[ -n "$USE_DATABASE_REPLICATED" ]] && [[ "$USE_DATABASE_REPLICATED" -eq 1 ]]; then
rg -Fa "<Fatal>" /var/log/clickhouse-server/clickhouse-server1.log ||:
rg -Fa "<Fatal>" /var/log/clickhouse-server/clickhouse-server2.log ||:

4
docker/test/stateless/stress_tests.lib
View File

@ -89,10 +89,6 @@ function configure()
# since we run clickhouse from root
sudo chown root: /var/lib/clickhouse
# Set more frequent update period of asynchronous metrics to more frequently update information about real memory usage (less chance of OOM).
echo "<clickhouse><asynchronous_metrics_update_period_s>1</asynchronous_metrics_update_period_s></clickhouse>" \
> /etc/clickhouse-server/config.d/asynchronous_metrics_update_period_s.xml
local total_mem
total_mem=$(awk '/MemTotal/ { print $(NF-1) }' /proc/meminfo) # KiB
total_mem=$(( total_mem*1024 )) # bytes

8
docker/test/style/Dockerfile
View File

@ -10,14 +10,15 @@ RUN sed -i "s|http://archive.ubuntu.com|$apt_archive|g" /etc/apt/sources.list
RUN apt-get update && env DEBIAN_FRONTEND=noninteractive apt-get install --yes \
aspell \
curl \
git \
gh \
file \
gh \
git \
libxml2-utils \
locales \
moreutils \
python3-pip \
yamllint \
locales \
zstd \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/* /var/cache/debconf /tmp/*
@ -36,6 +37,7 @@ RUN pip3 install \
tqdm==4.66.4 \
types-requests \
unidiff \
jwt \
&& rm -rf /root/.cache/pip
RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && locale-gen en_US.UTF-8

40
docs/changelogs/v23.8.15.35-lts.md Normal file
View File

@ -0,0 +1,40 @@
---
sidebar_position: 1
sidebar_label: 2024
---
# 2024 Changelog
### ClickHouse release v23.8.15.35-lts (060ff8e813a) FIXME as compared to v23.8.14.6-lts (967e51c1d6b)
#### Build/Testing/Packaging Improvement
* Backported in [#63621](https://github.com/ClickHouse/ClickHouse/issues/63621): The Dockerfile is reviewed by the docker official library in https://github.com/docker-library/official-images/pull/15846. [#63400](https://github.com/ClickHouse/ClickHouse/pull/63400) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Backported in [#65153](https://github.com/ClickHouse/ClickHouse/issues/65153): Decrease the `unit-test` image a few times. [#65102](https://github.com/ClickHouse/ClickHouse/pull/65102) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* Backported in [#64422](https://github.com/ClickHouse/ClickHouse/issues/64422): Fixes [#59989](https://github.com/ClickHouse/ClickHouse/issues/59989): runs init scripts when force-enabled or when no database exists, rather than the inverse. [#59991](https://github.com/ClickHouse/ClickHouse/pull/59991) ([jktng](https://github.com/jktng)).
* Backported in [#64016](https://github.com/ClickHouse/ClickHouse/issues/64016): Fix "Invalid storage definition in metadata file" for parameterized views. [#60708](https://github.com/ClickHouse/ClickHouse/pull/60708) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#63456](https://github.com/ClickHouse/ClickHouse/issues/63456): Fix the issue where the function `addDays` (and similar functions) reports an error when the first parameter is `DateTime64`. [#61561](https://github.com/ClickHouse/ClickHouse/pull/61561) ([Shuai li](https://github.com/loneylee)).
* Backported in [#63289](https://github.com/ClickHouse/ClickHouse/issues/63289): Fix crash with untuple and unresolved lambda. [#63131](https://github.com/ClickHouse/ClickHouse/pull/63131) ([Raúl Marín](https://github.com/Algunenano)).
* Backported in [#63512](https://github.com/ClickHouse/ClickHouse/issues/63512): Fix `X-ClickHouse-Timezone` header returning wrong timezone when using `session_timezone` as query level setting. [#63377](https://github.com/ClickHouse/ClickHouse/pull/63377) ([Andrey Zvonov](https://github.com/zvonand)).
* Backported in [#63902](https://github.com/ClickHouse/ClickHouse/issues/63902): `query_plan_remove_redundant_distinct` can break queries with WINDOW FUNCTIONS (with `allow_experimental_analyzer` is on). Fixes [#62820](https://github.com/ClickHouse/ClickHouse/issues/62820). [#63776](https://github.com/ClickHouse/ClickHouse/pull/63776) ([Igor Nikonov](https://github.com/devcrafter)).
* Backported in [#64104](https://github.com/ClickHouse/ClickHouse/issues/64104): Deserialize untrusted binary inputs in a safer way. [#64024](https://github.com/ClickHouse/ClickHouse/pull/64024) ([Robert Schulze](https://github.com/rschu1ze)).
* Backported in [#64265](https://github.com/ClickHouse/ClickHouse/issues/64265): Prevent LOGICAL_ERROR on CREATE TABLE as MaterializedView. [#64174](https://github.com/ClickHouse/ClickHouse/pull/64174) ([Raúl Marín](https://github.com/Algunenano)).
* Backported in [#64867](https://github.com/ClickHouse/ClickHouse/issues/64867): Fixed memory possible incorrect memory tracking in several kinds of queries: queries that read any data from S3, queries via http protocol, asynchronous inserts. [#64844](https://github.com/ClickHouse/ClickHouse/pull/64844) ([Anton Popov](https://github.com/CurtizJ)).
#### NO CL CATEGORY
* Backported in [#63704](https://github.com/ClickHouse/ClickHouse/issues/63704):. [#63415](https://github.com/ClickHouse/ClickHouse/pull/63415) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
#### NO CL ENTRY
* NO CL ENTRY: 'Installation test has wrong check_state'. [#63994](https://github.com/ClickHouse/ClickHouse/pull/63994) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
#### NOT FOR CHANGELOG / INSIGNIFICANT
* Backported in [#63343](https://github.com/ClickHouse/ClickHouse/issues/63343): The commit url has different pattern. [#63331](https://github.com/ClickHouse/ClickHouse/pull/63331) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Backported in [#63965](https://github.com/ClickHouse/ClickHouse/issues/63965): fix 02124_insert_deduplication_token_multiple_blocks. [#63950](https://github.com/ClickHouse/ClickHouse/pull/63950) ([Han Fei](https://github.com/hanfei1991)).
* Backported in [#64043](https://github.com/ClickHouse/ClickHouse/issues/64043): Do not create new release in release branch automatically. [#64039](https://github.com/ClickHouse/ClickHouse/pull/64039) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Pin requests to fix the integration tests. [#65183](https://github.com/ClickHouse/ClickHouse/pull/65183) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).

100
docs/changelogs/v24.3.4.147-lts.md Normal file
View File

@ -0,0 +1,100 @@
---
sidebar_position: 1
sidebar_label: 2024
---
# 2024 Changelog
### ClickHouse release v24.3.4.147-lts (31a7bdc346d) FIXME as compared to v24.3.3.102-lts (7e7f3bdd9be)
#### Improvement
* Backported in [#63465](https://github.com/ClickHouse/ClickHouse/issues/63465): Make rabbitmq nack broken messages. Closes [#45350](https://github.com/ClickHouse/ClickHouse/issues/45350). [#60312](https://github.com/ClickHouse/ClickHouse/pull/60312) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Backported in [#64290](https://github.com/ClickHouse/ClickHouse/issues/64290): Fix logical-error when undoing quorum insert transaction. [#61953](https://github.com/ClickHouse/ClickHouse/pull/61953) ([Han Fei](https://github.com/hanfei1991)).
#### Build/Testing/Packaging Improvement
* Backported in [#63610](https://github.com/ClickHouse/ClickHouse/issues/63610): The Dockerfile is reviewed by the docker official library in https://github.com/docker-library/official-images/pull/15846. [#63400](https://github.com/ClickHouse/ClickHouse/pull/63400) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Backported in [#65128](https://github.com/ClickHouse/ClickHouse/issues/65128): Decrease the `unit-test` image a few times. [#65102](https://github.com/ClickHouse/ClickHouse/pull/65102) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* Backported in [#64277](https://github.com/ClickHouse/ClickHouse/issues/64277): Fix queries with FINAL give wrong result when table does not use adaptive granularity. [#62432](https://github.com/ClickHouse/ClickHouse/pull/62432) ([Duc Canh Le](https://github.com/canhld94)).
* Backported in [#63716](https://github.com/ClickHouse/ClickHouse/issues/63716): Fix excessive memory usage for queries with nested lambdas. Fixes [#62036](https://github.com/ClickHouse/ClickHouse/issues/62036). [#62462](https://github.com/ClickHouse/ClickHouse/pull/62462) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#63247](https://github.com/ClickHouse/ClickHouse/issues/63247): Fix size checks when updating materialized nested columns ( fixes [#62731](https://github.com/ClickHouse/ClickHouse/issues/62731) ). [#62773](https://github.com/ClickHouse/ClickHouse/pull/62773) ([Eliot Hautefeuille](https://github.com/hileef)).
* Backported in [#62984](https://github.com/ClickHouse/ClickHouse/issues/62984): Fix the `Unexpected return type` error for queries that read from `StorageBuffer` with `PREWHERE` when the source table has different types. Fixes [#62545](https://github.com/ClickHouse/ClickHouse/issues/62545). [#62916](https://github.com/ClickHouse/ClickHouse/pull/62916) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#63185](https://github.com/ClickHouse/ClickHouse/issues/63185): Sanity check: Clamp values instead of throwing. [#63119](https://github.com/ClickHouse/ClickHouse/pull/63119) ([Raúl Marín](https://github.com/Algunenano)).
* Backported in [#63293](https://github.com/ClickHouse/ClickHouse/issues/63293): Fix crash with untuple and unresolved lambda. [#63131](https://github.com/ClickHouse/ClickHouse/pull/63131) ([Raúl Marín](https://github.com/Algunenano)).
* Backported in [#63411](https://github.com/ClickHouse/ClickHouse/issues/63411): Fix a misbehavior when SQL security defaults don't load for old tables during server startup. [#63209](https://github.com/ClickHouse/ClickHouse/pull/63209) ([pufit](https://github.com/pufit)).
* Backported in [#63616](https://github.com/ClickHouse/ClickHouse/issues/63616): Fix bug which could potentially lead to rare LOGICAL_ERROR during SELECT query with message: `Unexpected return type from materialize. Expected type_XXX. Got type_YYY.` Introduced in [#59379](https://github.com/ClickHouse/ClickHouse/issues/59379). [#63353](https://github.com/ClickHouse/ClickHouse/pull/63353) ([alesapin](https://github.com/alesapin)).
* Backported in [#63455](https://github.com/ClickHouse/ClickHouse/issues/63455): Fix `X-ClickHouse-Timezone` header returning wrong timezone when using `session_timezone` as query level setting. [#63377](https://github.com/ClickHouse/ClickHouse/pull/63377) ([Andrey Zvonov](https://github.com/zvonand)).
* Backported in [#63603](https://github.com/ClickHouse/ClickHouse/issues/63603): Fix backup of projection part in case projection was removed from table metadata, but part still has projection. [#63426](https://github.com/ClickHouse/ClickHouse/pull/63426) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Backported in [#63508](https://github.com/ClickHouse/ClickHouse/issues/63508): Fix 'Every derived table must have its own alias' error for MYSQL dictionary source, close [#63341](https://github.com/ClickHouse/ClickHouse/issues/63341). [#63481](https://github.com/ClickHouse/ClickHouse/pull/63481) ([vdimir](https://github.com/vdimir)).
* Backported in [#63595](https://github.com/ClickHouse/ClickHouse/issues/63595): Avoid segafult in `MergeTreePrefetchedReadPool` while fetching projection parts. [#63513](https://github.com/ClickHouse/ClickHouse/pull/63513) ([Antonio Andelic](https://github.com/antonio2368)).
* Backported in [#63748](https://github.com/ClickHouse/ClickHouse/issues/63748): Read only the necessary columns from VIEW (new analyzer). Closes [#62594](https://github.com/ClickHouse/ClickHouse/issues/62594). [#63688](https://github.com/ClickHouse/ClickHouse/pull/63688) ([Maksim Kita](https://github.com/kitaisreal)).
* Backported in [#63770](https://github.com/ClickHouse/ClickHouse/issues/63770): Fix [#63539](https://github.com/ClickHouse/ClickHouse/issues/63539). Forbid WINDOW redefinition in new analyzer. [#63694](https://github.com/ClickHouse/ClickHouse/pull/63694) ([Dmitry Novik](https://github.com/novikd)).
* Backported in [#64189](https://github.com/ClickHouse/ClickHouse/issues/64189): Fix `Not found column` and `CAST AS Map from array requires nested tuple of 2 elements` exceptions for distributed queries which use `Map(Nothing, Nothing)` type. Fixes [#63637](https://github.com/ClickHouse/ClickHouse/issues/63637). [#63753](https://github.com/ClickHouse/ClickHouse/pull/63753) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#63845](https://github.com/ClickHouse/ClickHouse/issues/63845): Fix possible `ILLEGAL_COLUMN` error in `partial_merge` join, close [#37928](https://github.com/ClickHouse/ClickHouse/issues/37928). [#63755](https://github.com/ClickHouse/ClickHouse/pull/63755) ([vdimir](https://github.com/vdimir)).
* Backported in [#63906](https://github.com/ClickHouse/ClickHouse/issues/63906): `query_plan_remove_redundant_distinct` can break queries with WINDOW FUNCTIONS (with `allow_experimental_analyzer` is on). Fixes [#62820](https://github.com/ClickHouse/ClickHouse/issues/62820). [#63776](https://github.com/ClickHouse/ClickHouse/pull/63776) ([Igor Nikonov](https://github.com/devcrafter)).
* Backported in [#63989](https://github.com/ClickHouse/ClickHouse/issues/63989): Fix incorrect select query result when parallel replicas were used to read from a Materialized View. [#63861](https://github.com/ClickHouse/ClickHouse/pull/63861) ([Nikita Taranov](https://github.com/nickitat)).
* Backported in [#64031](https://github.com/ClickHouse/ClickHouse/issues/64031): Fix a error `Database name is empty` for remote queries with lambdas over the cluster with modified default database. Fixes [#63471](https://github.com/ClickHouse/ClickHouse/issues/63471). [#63864](https://github.com/ClickHouse/ClickHouse/pull/63864) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#64559](https://github.com/ClickHouse/ClickHouse/issues/64559): Fix SIGSEGV due to CPU/Real (`query_profiler_real_time_period_ns`/`query_profiler_cpu_time_period_ns`) profiler (has been an issue since 2022, that leads to periodic server crashes, especially if you were using distributed engine). [#63865](https://github.com/ClickHouse/ClickHouse/pull/63865) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#64009](https://github.com/ClickHouse/ClickHouse/issues/64009): Fix analyzer - IN function with arbitrary deep sub-selects in materialized view to use insertion block. [#63930](https://github.com/ClickHouse/ClickHouse/pull/63930) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Backported in [#64236](https://github.com/ClickHouse/ClickHouse/issues/64236): Fix resolve of unqualified COLUMNS matcher. Preserve the input columns order and forbid usage of unknown identifiers. [#63962](https://github.com/ClickHouse/ClickHouse/pull/63962) ([Dmitry Novik](https://github.com/novikd)).
* Backported in [#64106](https://github.com/ClickHouse/ClickHouse/issues/64106): Deserialize untrusted binary inputs in a safer way. [#64024](https://github.com/ClickHouse/ClickHouse/pull/64024) ([Robert Schulze](https://github.com/rschu1ze)).
* Backported in [#64168](https://github.com/ClickHouse/ClickHouse/issues/64168): Add missing settings to recoverLostReplica. [#64040](https://github.com/ClickHouse/ClickHouse/pull/64040) ([Raúl Marín](https://github.com/Algunenano)).
* Backported in [#64320](https://github.com/ClickHouse/ClickHouse/issues/64320): This fix will use a proper redefined context with the correct definer for each individual view in the query pipeline Closes [#63777](https://github.com/ClickHouse/ClickHouse/issues/63777). [#64079](https://github.com/ClickHouse/ClickHouse/pull/64079) ([pufit](https://github.com/pufit)).
* Backported in [#64380](https://github.com/ClickHouse/ClickHouse/issues/64380): Fix analyzer: "Not found column" error is fixed when using INTERPOLATE. [#64096](https://github.com/ClickHouse/ClickHouse/pull/64096) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Backported in [#64567](https://github.com/ClickHouse/ClickHouse/issues/64567): Fix creating backups to S3 buckets with different credentials from the disk containing the file. [#64153](https://github.com/ClickHouse/ClickHouse/pull/64153) ([Antonio Andelic](https://github.com/antonio2368)).
* Backported in [#64270](https://github.com/ClickHouse/ClickHouse/issues/64270): Prevent LOGICAL_ERROR on CREATE TABLE as MaterializedView. [#64174](https://github.com/ClickHouse/ClickHouse/pull/64174) ([Raúl Marín](https://github.com/Algunenano)).
* Backported in [#64339](https://github.com/ClickHouse/ClickHouse/issues/64339): The query cache now considers two identical queries against different databases as different. The previous behavior could be used to bypass missing privileges to read from a table. [#64199](https://github.com/ClickHouse/ClickHouse/pull/64199) ([Robert Schulze](https://github.com/rschu1ze)).
* Backported in [#64259](https://github.com/ClickHouse/ClickHouse/issues/64259): Ignore `text_log` config when using Keeper. [#64218](https://github.com/ClickHouse/ClickHouse/pull/64218) ([Antonio Andelic](https://github.com/antonio2368)).
* Backported in [#64688](https://github.com/ClickHouse/ClickHouse/issues/64688): Fix Query Tree size validation. Closes [#63701](https://github.com/ClickHouse/ClickHouse/issues/63701). [#64377](https://github.com/ClickHouse/ClickHouse/pull/64377) ([Dmitry Novik](https://github.com/novikd)).
* Backported in [#64725](https://github.com/ClickHouse/ClickHouse/issues/64725): Fixed `CREATE TABLE AS` queries for tables with default expressions. [#64455](https://github.com/ClickHouse/ClickHouse/pull/64455) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#64621](https://github.com/ClickHouse/ClickHouse/issues/64621): Fix an error `Cannot find column` in distributed queries with constant CTE in the `GROUP BY` key. [#64519](https://github.com/ClickHouse/ClickHouse/pull/64519) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#64678](https://github.com/ClickHouse/ClickHouse/issues/64678): Fix [#64612](https://github.com/ClickHouse/ClickHouse/issues/64612). Do not rewrite aggregation if `-If` combinator is already used. [#64638](https://github.com/ClickHouse/ClickHouse/pull/64638) ([Dmitry Novik](https://github.com/novikd)).
* Backported in [#64831](https://github.com/ClickHouse/ClickHouse/issues/64831): Fix bug which could lead to non-working TTLs with expressions. Fixes [#63700](https://github.com/ClickHouse/ClickHouse/issues/63700). [#64694](https://github.com/ClickHouse/ClickHouse/pull/64694) ([alesapin](https://github.com/alesapin)).
* Backported in [#64940](https://github.com/ClickHouse/ClickHouse/issues/64940): Fix OrderByLimitByDuplicateEliminationVisitor across subqueries. [#64766](https://github.com/ClickHouse/ClickHouse/pull/64766) ([Raúl Marín](https://github.com/Algunenano)).
* Backported in [#64869](https://github.com/ClickHouse/ClickHouse/issues/64869): Fixed memory possible incorrect memory tracking in several kinds of queries: queries that read any data from S3, queries via http protocol, asynchronous inserts. [#64844](https://github.com/ClickHouse/ClickHouse/pull/64844) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#64980](https://github.com/ClickHouse/ClickHouse/issues/64980): Fix the `Block structure mismatch` error for queries reading with `PREWHERE` from the materialized view when the materialized view has columns of different types than the source table. Fixes [#64611](https://github.com/ClickHouse/ClickHouse/issues/64611). [#64855](https://github.com/ClickHouse/ClickHouse/pull/64855) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#64972](https://github.com/ClickHouse/ClickHouse/issues/64972): Fix rare crash when table has TTL with subquery + database replicated + parallel replicas + analyzer. It's really rare, but please don't use TTLs with subqueries. [#64858](https://github.com/ClickHouse/ClickHouse/pull/64858) ([alesapin](https://github.com/alesapin)).
* Backported in [#65070](https://github.com/ClickHouse/ClickHouse/issues/65070): Fix `ALTER MODIFY COMMENT` query that was broken for parameterized VIEWs in https://github.com/ClickHouse/ClickHouse/pull/54211. [#65031](https://github.com/ClickHouse/ClickHouse/pull/65031) ([Nikolay Degterinsky](https://github.com/evillique)).
* Backported in [#65175](https://github.com/ClickHouse/ClickHouse/issues/65175): Fix the `Unknown expression identifier` error for remote queries with `INTERPOLATE (alias)` (new analyzer). Fixes [#64636](https://github.com/ClickHouse/ClickHouse/issues/64636). [#65090](https://github.com/ClickHouse/ClickHouse/pull/65090) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
#### Critical Bug Fix (crash, LOGICAL_ERROR, data loss, RBAC)
* Backported in [#64587](https://github.com/ClickHouse/ClickHouse/issues/64587): Disabled `enable_vertical_final` setting by default. This feature should not be used because it has a bug: [#64543](https://github.com/ClickHouse/ClickHouse/issues/64543). [#64544](https://github.com/ClickHouse/ClickHouse/pull/64544) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#64878](https://github.com/ClickHouse/ClickHouse/issues/64878): This PR fixes an error when a user in a specific situation can escalate their privileges on the default database without necessary grants. [#64769](https://github.com/ClickHouse/ClickHouse/pull/64769) ([pufit](https://github.com/pufit)).
#### NO CL CATEGORY
* Backported in [#63304](https://github.com/ClickHouse/ClickHouse/issues/63304):. [#63297](https://github.com/ClickHouse/ClickHouse/pull/63297) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#63708](https://github.com/ClickHouse/ClickHouse/issues/63708):. [#63415](https://github.com/ClickHouse/ClickHouse/pull/63415) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
#### NO CL ENTRY
* NO CL ENTRY: 'Revert "Backport [#64363](https://github.com/ClickHouse/ClickHouse/issues/64363) to 24.3: Split tests 03039_dynamic_all_merge_algorithms to avoid timeouts"'. [#64907](https://github.com/ClickHouse/ClickHouse/pull/64907) ([Raúl Marín](https://github.com/Algunenano)).
#### NOT FOR CHANGELOG / INSIGNIFICANT
* Backported in [#63751](https://github.com/ClickHouse/ClickHouse/issues/63751): group_by_use_nulls strikes back. [#62922](https://github.com/ClickHouse/ClickHouse/pull/62922) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#63558](https://github.com/ClickHouse/ClickHouse/issues/63558): Try fix segfault in `MergeTreeReadPoolBase::createTask`. [#63323](https://github.com/ClickHouse/ClickHouse/pull/63323) ([Antonio Andelic](https://github.com/antonio2368)).
* Backported in [#63336](https://github.com/ClickHouse/ClickHouse/issues/63336): The commit url has different pattern. [#63331](https://github.com/ClickHouse/ClickHouse/pull/63331) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Backported in [#63374](https://github.com/ClickHouse/ClickHouse/issues/63374): Add tags for the test 03000_traverse_shadow_system_data_paths.sql to make it stable. [#63366](https://github.com/ClickHouse/ClickHouse/pull/63366) ([Aleksei Filatov](https://github.com/aalexfvk)).
* Backported in [#63625](https://github.com/ClickHouse/ClickHouse/issues/63625): Workaround for `oklch()` inside canvas bug for firefox. [#63404](https://github.com/ClickHouse/ClickHouse/pull/63404) ([Sergei Trifonov](https://github.com/serxa)).
* Backported in [#63569](https://github.com/ClickHouse/ClickHouse/issues/63569): Add `jwcrypto` to integration tests runner. [#63551](https://github.com/ClickHouse/ClickHouse/pull/63551) ([Konstantin Bogdanov](https://github.com/thevar1able)).
* Backported in [#63649](https://github.com/ClickHouse/ClickHouse/issues/63649): Fix `02362_part_log_merge_algorithm` flaky test. [#63635](https://github.com/ClickHouse/ClickHouse/pull/63635) ([Miсhael Stetsyuk](https://github.com/mstetsyuk)).
* Backported in [#63762](https://github.com/ClickHouse/ClickHouse/issues/63762): Cancel S3 reads properly when parallel reads are used. [#63687](https://github.com/ClickHouse/ClickHouse/pull/63687) ([Antonio Andelic](https://github.com/antonio2368)).
* Backported in [#63741](https://github.com/ClickHouse/ClickHouse/issues/63741): Userspace page cache: don't collect stats if cache is unused. [#63730](https://github.com/ClickHouse/ClickHouse/pull/63730) ([Michael Kolupaev](https://github.com/al13n321)).
* Backported in [#63826](https://github.com/ClickHouse/ClickHouse/issues/63826): Fix `test_odbc_interaction` for arm64 on linux. [#63787](https://github.com/ClickHouse/ClickHouse/pull/63787) ([alesapin](https://github.com/alesapin)).
* Backported in [#63895](https://github.com/ClickHouse/ClickHouse/issues/63895): Fix `test_catboost_evaluate` for aarch64. [#63789](https://github.com/ClickHouse/ClickHouse/pull/63789) ([alesapin](https://github.com/alesapin)).
* Backported in [#63887](https://github.com/ClickHouse/ClickHouse/issues/63887): Fix `test_disk_types` for aarch64. [#63832](https://github.com/ClickHouse/ClickHouse/pull/63832) ([alesapin](https://github.com/alesapin)).
* Backported in [#63879](https://github.com/ClickHouse/ClickHouse/issues/63879): Fix `test_short_strings_aggregation` for arm. [#63836](https://github.com/ClickHouse/ClickHouse/pull/63836) ([alesapin](https://github.com/alesapin)).
* Backported in [#63916](https://github.com/ClickHouse/ClickHouse/issues/63916): Disable `test_non_default_compression/test.py::test_preconfigured_deflateqpl_codec` on arm. [#63839](https://github.com/ClickHouse/ClickHouse/pull/63839) ([alesapin](https://github.com/alesapin)).
* Backported in [#63969](https://github.com/ClickHouse/ClickHouse/issues/63969): fix 02124_insert_deduplication_token_multiple_blocks. [#63950](https://github.com/ClickHouse/ClickHouse/pull/63950) ([Han Fei](https://github.com/hanfei1991)).
* Backported in [#64047](https://github.com/ClickHouse/ClickHouse/issues/64047): Do not create new release in release branch automatically. [#64039](https://github.com/ClickHouse/ClickHouse/pull/64039) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Backported in [#64076](https://github.com/ClickHouse/ClickHouse/issues/64076): Files without shebang have mime 'text/plain' or 'inode/x-empty'. [#64062](https://github.com/ClickHouse/ClickHouse/pull/64062) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Backported in [#64142](https://github.com/ClickHouse/ClickHouse/issues/64142): Fix sanitizers. [#64090](https://github.com/ClickHouse/ClickHouse/pull/64090) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#64159](https://github.com/ClickHouse/ClickHouse/issues/64159): Add retries in `git submodule update`. [#64125](https://github.com/ClickHouse/ClickHouse/pull/64125) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#64473](https://github.com/ClickHouse/ClickHouse/issues/64473): Split tests 03039_dynamic_all_merge_algorithms to avoid timeouts. [#64363](https://github.com/ClickHouse/ClickHouse/pull/64363) ([Kruglov Pavel](https://github.com/Avogar)).
* Backported in [#65113](https://github.com/ClickHouse/ClickHouse/issues/65113): Adjust the `version_helper` and script to a new release scheme. [#64759](https://github.com/ClickHouse/ClickHouse/pull/64759) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Backported in [#64999](https://github.com/ClickHouse/ClickHouse/issues/64999): Fix crash with DISTINCT and window functions. [#64767](https://github.com/ClickHouse/ClickHouse/pull/64767) ([Igor Nikonov](https://github.com/devcrafter)).

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---
sidebar_position: 1
sidebar_label: 2024
---
# 2024 Changelog
### ClickHouse release v24.4.3.25-stable (a915dd4eda4) FIXME as compared to v24.4.2.141-stable (9e23d27bd11)
#### Build/Testing/Packaging Improvement
* Backported in [#65130](https://github.com/ClickHouse/ClickHouse/issues/65130): Decrease the `unit-test` image a few times. [#65102](https://github.com/ClickHouse/ClickHouse/pull/65102) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* Backported in [#64982](https://github.com/ClickHouse/ClickHouse/issues/64982): Fix the `Block structure mismatch` error for queries reading with `PREWHERE` from the materialized view when the materialized view has columns of different types than the source table. Fixes [#64611](https://github.com/ClickHouse/ClickHouse/issues/64611). [#64855](https://github.com/ClickHouse/ClickHouse/pull/64855) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#64974](https://github.com/ClickHouse/ClickHouse/issues/64974): Fix rare crash when table has TTL with subquery + database replicated + parallel replicas + analyzer. It's really rare, but please don't use TTLs with subqueries. [#64858](https://github.com/ClickHouse/ClickHouse/pull/64858) ([alesapin](https://github.com/alesapin)).
* Backported in [#65072](https://github.com/ClickHouse/ClickHouse/issues/65072): Fix `ALTER MODIFY COMMENT` query that was broken for parameterized VIEWs in https://github.com/ClickHouse/ClickHouse/pull/54211. [#65031](https://github.com/ClickHouse/ClickHouse/pull/65031) ([Nikolay Degterinsky](https://github.com/evillique)).
* Backported in [#65177](https://github.com/ClickHouse/ClickHouse/issues/65177): Fix the `Unknown expression identifier` error for remote queries with `INTERPOLATE (alias)` (new analyzer). Fixes [#64636](https://github.com/ClickHouse/ClickHouse/issues/64636). [#65090](https://github.com/ClickHouse/ClickHouse/pull/65090) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#65263](https://github.com/ClickHouse/ClickHouse/issues/65263): Fix the bug in Hashed and Hashed_Array dictionary short circuit evaluation, which may read uninitialized number, leading to various errors. [#65256](https://github.com/ClickHouse/ClickHouse/pull/65256) ([jsc0218](https://github.com/jsc0218)).
#### Critical Bug Fix (crash, LOGICAL_ERROR, data loss, RBAC)
* Backported in [#65285](https://github.com/ClickHouse/ClickHouse/issues/65285): Fix crash with UniqInjectiveFunctionsEliminationPass and uniqCombined. [#65188](https://github.com/ClickHouse/ClickHouse/pull/65188) ([Raúl Marín](https://github.com/Algunenano)).
#### NOT FOR CHANGELOG / INSIGNIFICANT
* Backported in [#65114](https://github.com/ClickHouse/ClickHouse/issues/65114): Adjust the `version_helper` and script to a new release scheme. [#64759](https://github.com/ClickHouse/ClickHouse/pull/64759) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Backported in [#65225](https://github.com/ClickHouse/ClickHouse/issues/65225): Capture weak_ptr of ContextAccess for safety. [#65051](https://github.com/ClickHouse/ClickHouse/pull/65051) ([Alexander Gololobov](https://github.com/davenger)).
* Backported in [#65217](https://github.com/ClickHouse/ClickHouse/issues/65217): Fix false positives leaky memory warnings in OpenSSL. [#65125](https://github.com/ClickHouse/ClickHouse/pull/65125) ([Robert Schulze](https://github.com/rschu1ze)).

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---
sidebar_position: 1
sidebar_label: 2024
---
# 2024 Changelog
### ClickHouse release v24.5.2.34-stable (45589aeee49) FIXME as compared to v24.5.1.1763-stable (647c154a94d)
#### Improvement
* Backported in [#65096](https://github.com/ClickHouse/ClickHouse/issues/65096): The setting `allow_experimental_join_condition` was accidentally marked as important which may prevent distributed queries in a mixed versions cluster from being executed successfully. [#65008](https://github.com/ClickHouse/ClickHouse/pull/65008) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
#### Build/Testing/Packaging Improvement
* Backported in [#65132](https://github.com/ClickHouse/ClickHouse/issues/65132): Decrease the `unit-test` image a few times. [#65102](https://github.com/ClickHouse/ClickHouse/pull/65102) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* Backported in [#64729](https://github.com/ClickHouse/ClickHouse/issues/64729): Fixed `CREATE TABLE AS` queries for tables with default expressions. [#64455](https://github.com/ClickHouse/ClickHouse/pull/64455) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#65061](https://github.com/ClickHouse/ClickHouse/issues/65061): Fix the `Expression nodes list expected 1 projection names` and `Unknown expression or identifier` errors for queries with aliases to `GLOBAL IN.` Fixes [#64445](https://github.com/ClickHouse/ClickHouse/issues/64445). [#64517](https://github.com/ClickHouse/ClickHouse/pull/64517) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#65088](https://github.com/ClickHouse/ClickHouse/issues/65088): Fix removing the `WHERE` and `PREWHERE` expressions, which are always true (for the new analyzer). Fixes [#64575](https://github.com/ClickHouse/ClickHouse/issues/64575). [#64695](https://github.com/ClickHouse/ClickHouse/pull/64695) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#64944](https://github.com/ClickHouse/ClickHouse/issues/64944): Fix OrderByLimitByDuplicateEliminationVisitor across subqueries. [#64766](https://github.com/ClickHouse/ClickHouse/pull/64766) ([Raúl Marín](https://github.com/Algunenano)).
* Backported in [#64873](https://github.com/ClickHouse/ClickHouse/issues/64873): Fixed memory possible incorrect memory tracking in several kinds of queries: queries that read any data from S3, queries via http protocol, asynchronous inserts. [#64844](https://github.com/ClickHouse/ClickHouse/pull/64844) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#64984](https://github.com/ClickHouse/ClickHouse/issues/64984): Fix the `Block structure mismatch` error for queries reading with `PREWHERE` from the materialized view when the materialized view has columns of different types than the source table. Fixes [#64611](https://github.com/ClickHouse/ClickHouse/issues/64611). [#64855](https://github.com/ClickHouse/ClickHouse/pull/64855) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#64976](https://github.com/ClickHouse/ClickHouse/issues/64976): Fix rare crash when table has TTL with subquery + database replicated + parallel replicas + analyzer. It's really rare, but please don't use TTLs with subqueries. [#64858](https://github.com/ClickHouse/ClickHouse/pull/64858) ([alesapin](https://github.com/alesapin)).
* Backported in [#65074](https://github.com/ClickHouse/ClickHouse/issues/65074): Fix `ALTER MODIFY COMMENT` query that was broken for parameterized VIEWs in https://github.com/ClickHouse/ClickHouse/pull/54211. [#65031](https://github.com/ClickHouse/ClickHouse/pull/65031) ([Nikolay Degterinsky](https://github.com/evillique)).
* Backported in [#65179](https://github.com/ClickHouse/ClickHouse/issues/65179): Fix the `Unknown expression identifier` error for remote queries with `INTERPOLATE (alias)` (new analyzer). Fixes [#64636](https://github.com/ClickHouse/ClickHouse/issues/64636). [#65090](https://github.com/ClickHouse/ClickHouse/pull/65090) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#65163](https://github.com/ClickHouse/ClickHouse/issues/65163): Fix pushing arithmetic operations out of aggregation. In the new analyzer, optimization was applied only once. Part of [#62245](https://github.com/ClickHouse/ClickHouse/issues/62245). [#65104](https://github.com/ClickHouse/ClickHouse/pull/65104) ([Dmitry Novik](https://github.com/novikd)).
#### Critical Bug Fix (crash, LOGICAL_ERROR, data loss, RBAC)
* Backported in [#64882](https://github.com/ClickHouse/ClickHouse/issues/64882): This PR fixes an error when a user in a specific situation can escalate their privileges on the default database without necessary grants. [#64769](https://github.com/ClickHouse/ClickHouse/pull/64769) ([pufit](https://github.com/pufit)).
#### NOT FOR CHANGELOG / INSIGNIFICANT
* Backported in [#65002](https://github.com/ClickHouse/ClickHouse/issues/65002): Be more graceful with existing tables with `inverted` indexes. [#64656](https://github.com/ClickHouse/ClickHouse/pull/64656) ([Robert Schulze](https://github.com/rschu1ze)).
* Backported in [#65115](https://github.com/ClickHouse/ClickHouse/issues/65115): Adjust the `version_helper` and script to a new release scheme. [#64759](https://github.com/ClickHouse/ClickHouse/pull/64759) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Backported in [#64796](https://github.com/ClickHouse/ClickHouse/issues/64796): Fix crash with DISTINCT and window functions. [#64767](https://github.com/ClickHouse/ClickHouse/pull/64767) ([Igor Nikonov](https://github.com/devcrafter)).

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# 2024 Changelog
### ClickHouse release v24.5.3.5-stable (e0eb66f8e17) FIXME as compared to v24.5.2.34-stable (45589aeee49)
#### NOT FOR CHANGELOG / INSIGNIFICANT
* Backported in [#65227](https://github.com/ClickHouse/ClickHouse/issues/65227): Capture weak_ptr of ContextAccess for safety. [#65051](https://github.com/ClickHouse/ClickHouse/pull/65051) ([Alexander Gololobov](https://github.com/davenger)).
* Backported in [#65219](https://github.com/ClickHouse/ClickHouse/issues/65219): Fix false positives leaky memory warnings in OpenSSL. [#65125](https://github.com/ClickHouse/ClickHouse/pull/65125) ([Robert Schulze](https://github.com/rschu1ze)).

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# 2024 Changelog
### ClickHouse release v24.5.4.49-stable (63b760955a0) FIXME as compared to v24.5.3.5-stable (e0eb66f8e17)
#### Improvement
* Backported in [#65886](https://github.com/ClickHouse/ClickHouse/issues/65886): Always start Keeper with sufficient amount of threads in global thread pool. [#64444](https://github.com/ClickHouse/ClickHouse/pull/64444) ([Duc Canh Le](https://github.com/canhld94)).
* Backported in [#65304](https://github.com/ClickHouse/ClickHouse/issues/65304): Returned back the behaviour of how ClickHouse works and interprets Tuples in CSV format. This change effectively reverts https://github.com/ClickHouse/ClickHouse/pull/60994 and makes it available only under a few settings: `output_format_csv_serialize_tuple_into_separate_columns`, `input_format_csv_deserialize_separate_columns_into_tuple` and `input_format_csv_try_infer_strings_from_quoted_tuples`. [#65170](https://github.com/ClickHouse/ClickHouse/pull/65170) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Backported in [#65896](https://github.com/ClickHouse/ClickHouse/issues/65896): Respect cgroup CPU limit in Keeper. [#65819](https://github.com/ClickHouse/ClickHouse/pull/65819) ([Antonio Andelic](https://github.com/antonio2368)).
#### Critical Bug Fix (crash, LOGICAL_ERROR, data loss, RBAC)
* Backported in [#65287](https://github.com/ClickHouse/ClickHouse/issues/65287): Fix crash with UniqInjectiveFunctionsEliminationPass and uniqCombined. [#65188](https://github.com/ClickHouse/ClickHouse/pull/65188) ([Raúl Marín](https://github.com/Algunenano)).
* Backported in [#65374](https://github.com/ClickHouse/ClickHouse/issues/65374): Fix a bug in ClickHouse Keeper that causes digest mismatch during closing session. [#65198](https://github.com/ClickHouse/ClickHouse/pull/65198) ([Aleksei Filatov](https://github.com/aalexfvk)).
* Backported in [#65437](https://github.com/ClickHouse/ClickHouse/issues/65437): Forbid `QUALIFY` clause in the old analyzer. The old analyzer ignored `QUALIFY`, so it could lead to unexpected data removal in mutations. [#65356](https://github.com/ClickHouse/ClickHouse/pull/65356) ([Dmitry Novik](https://github.com/novikd)).
* Backported in [#65450](https://github.com/ClickHouse/ClickHouse/issues/65450): Use correct memory alignment for Distinct combinator. Previously, crash could happen because of invalid memory allocation when the combinator was used. [#65379](https://github.com/ClickHouse/ClickHouse/pull/65379) ([Antonio Andelic](https://github.com/antonio2368)).
* Backported in [#65712](https://github.com/ClickHouse/ClickHouse/issues/65712): Fix crash in maxIntersections. [#65689](https://github.com/ClickHouse/ClickHouse/pull/65689) ([Raúl Marín](https://github.com/Algunenano)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* Backported in [#65681](https://github.com/ClickHouse/ClickHouse/issues/65681): Fix `duplicate alias` error for distributed queries with `ARRAY JOIN`. [#64226](https://github.com/ClickHouse/ClickHouse/pull/64226) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#65331](https://github.com/ClickHouse/ClickHouse/issues/65331): Fix the crash loop when restoring from backup is blocked by creating an MV with a definer that hasn't been restored yet. [#64595](https://github.com/ClickHouse/ClickHouse/pull/64595) ([pufit](https://github.com/pufit)).
* Backported in [#64835](https://github.com/ClickHouse/ClickHouse/issues/64835): Fix bug which could lead to non-working TTLs with expressions. [#64694](https://github.com/ClickHouse/ClickHouse/pull/64694) ([alesapin](https://github.com/alesapin)).
* Backported in [#65542](https://github.com/ClickHouse/ClickHouse/issues/65542): Fix crash for `ALTER TABLE ... ON CLUSTER ... MODIFY SQL SECURITY`. [#64957](https://github.com/ClickHouse/ClickHouse/pull/64957) ([pufit](https://github.com/pufit)).
* Backported in [#65580](https://github.com/ClickHouse/ClickHouse/issues/65580): Fix crash on destroying AccessControl: add explicit shutdown. [#64993](https://github.com/ClickHouse/ClickHouse/pull/64993) ([Vitaly Baranov](https://github.com/vitlibar)).
* Backported in [#65618](https://github.com/ClickHouse/ClickHouse/issues/65618): Fix possible infinite query duration in case of cyclic aliases. Fixes [#64849](https://github.com/ClickHouse/ClickHouse/issues/64849). [#65081](https://github.com/ClickHouse/ClickHouse/pull/65081) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#65617](https://github.com/ClickHouse/ClickHouse/issues/65617): Fix aggregate function name rewriting in the new analyzer. [#65110](https://github.com/ClickHouse/ClickHouse/pull/65110) ([Dmitry Novik](https://github.com/novikd)).
* Backported in [#65732](https://github.com/ClickHouse/ClickHouse/issues/65732): Eliminate injective function in argument of functions `uniq*` recursively. This used to work correctly but was broken in the new analyzer. [#65140](https://github.com/ClickHouse/ClickHouse/pull/65140) ([Duc Canh Le](https://github.com/canhld94)).
* Backported in [#65265](https://github.com/ClickHouse/ClickHouse/issues/65265): Fix the bug in Hashed and Hashed_Array dictionary short circuit evaluation, which may read uninitialized number, leading to various errors. [#65256](https://github.com/ClickHouse/ClickHouse/pull/65256) ([jsc0218](https://github.com/jsc0218)).
* Backported in [#65663](https://github.com/ClickHouse/ClickHouse/issues/65663): Disable `non-intersecting-parts` optimization for queries with `FINAL` in case of `read-in-order` optimization was enabled. This could lead to an incorrect query result. As a workaround, disable `do_not_merge_across_partitions_select_final` and `split_parts_ranges_into_intersecting_and_non_intersecting_final` before this fix is merged. [#65505](https://github.com/ClickHouse/ClickHouse/pull/65505) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#65788](https://github.com/ClickHouse/ClickHouse/issues/65788): Fixed bug in MergeJoin. Column in sparse serialisation might be treated as a column of its nested type though the required conversion wasn't performed. [#65632](https://github.com/ClickHouse/ClickHouse/pull/65632) ([Nikita Taranov](https://github.com/nickitat)).
* Backported in [#65812](https://github.com/ClickHouse/ClickHouse/issues/65812): Fix invalid exceptions in function `parseDateTime` with `%F` and `%D` placeholders. [#65768](https://github.com/ClickHouse/ClickHouse/pull/65768) ([Antonio Andelic](https://github.com/antonio2368)).
* Backported in [#65828](https://github.com/ClickHouse/ClickHouse/issues/65828): Fix a bug in short circuit logic when old analyzer and dictGetOrDefault is used. [#65802](https://github.com/ClickHouse/ClickHouse/pull/65802) ([jsc0218](https://github.com/jsc0218)).
#### NOT FOR CHANGELOG / INSIGNIFICANT
* Backported in [#65412](https://github.com/ClickHouse/ClickHouse/issues/65412): Re-enable OpenSSL session caching. [#65111](https://github.com/ClickHouse/ClickHouse/pull/65111) ([Robert Schulze](https://github.com/rschu1ze)).
* Backported in [#65905](https://github.com/ClickHouse/ClickHouse/issues/65905): Fix bug with session closing in Keeper. [#65735](https://github.com/ClickHouse/ClickHouse/pull/65735) ([Antonio Andelic](https://github.com/antonio2368)).

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# 2024 Changelog
### ClickHouse release v24.6.1.4423-stable (dcced7c8478) FIXME as compared to v24.4.1.2088-stable (6d4b31322d1)
#### Backward Incompatible Change
* Enable asynchronous load of databases and tables by default. See the `async_load_databases` in config.xml. While this change is fully compatible, it can introduce a difference in behavior. When `async_load_databases` is false, as in the previous versions, the server will not accept connections until all tables are loaded. When `async_load_databases` is true, as in the new version, the server can accept connections before all the tables are loaded. If a query is made to a table that is not yet loaded, it will wait for the table's loading, which can take considerable time. It can change the behavior of the server if it is part of a large distributed system under a load balancer. In the first case, the load balancer can get a connection refusal and quickly failover to another server. In the second case, the load balancer can connect to a server that is still loading the tables, and the query will have a higher latency. Moreover, if many queries accumulate in the waiting state, it can lead to a "thundering herd" problem when they start processing simultaneously. This can make a difference only for highly loaded distributed backends. You can set the value of `async_load_databases` to false to avoid this problem. [#57695](https://github.com/ClickHouse/ClickHouse/pull/57695) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Some invalid queries will fail earlier during parsing. Note: disabled the support for inline KQL expressions (the experimental Kusto language) when they are put into a `kql` table function without a string literal, e.g. `kql(garbage | trash)` instead of `kql('garbage | trash')` or `kql($$garbage | trash$$)`. This feature was introduced unintentionally and should not exist. [#61500](https://github.com/ClickHouse/ClickHouse/pull/61500) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Renamed "inverted indexes" to "full-text indexes" which is a less technical / more user-friendly name. This also changes internal table metadata and breaks tables with existing (experimental) inverted indexes. Please make to drop such indexes before upgrade and re-create them after upgrade. [#62884](https://github.com/ClickHouse/ClickHouse/pull/62884) ([Robert Schulze](https://github.com/rschu1ze)).
* Usage of functions `neighbor`, `runningAccumulate`, `runningDifferenceStartingWithFirstValue`, `runningDifference` deprecated (because it is error-prone). Proper window functions should be used instead. To enable them back, set `allow_deprecated_functions=1`. [#63132](https://github.com/ClickHouse/ClickHouse/pull/63132) ([Nikita Taranov](https://github.com/nickitat)).
* Queries from `system.columns` will work faster if there is a large number of columns, but many databases or tables are not granted for `SHOW TABLES`. Note that in previous versions, if you grant `SHOW COLUMNS` to individual columns without granting `SHOW TABLES` to the corresponding tables, the `system.columns` table will show these columns, but in a new version, it will skip the table entirely. Remove trace log messages "Access granted" and "Access denied" that slowed down queries. [#63439](https://github.com/ClickHouse/ClickHouse/pull/63439) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Rework parallel processing in `Ordered` mode of storage `S3Queue`. This PR is backward incompatible for Ordered mode if you used settings `s3queue_processing_threads_num` or `s3queue_total_shards_num`. Setting `s3queue_total_shards_num` is deleted, previously it was allowed to use only under `s3queue_allow_experimental_sharded_mode`, which is now deprecated. A new setting is added - `s3queue_buckets`. [#64349](https://github.com/ClickHouse/ClickHouse/pull/64349) ([Kseniia Sumarokova](https://github.com/kssenii)).
* New functions `snowflakeIDToDateTime`, `snowflakeIDToDateTime64`, `dateTimeToSnowflakeID`, and `dateTime64ToSnowflakeID` were added. Unlike the existing functions `snowflakeToDateTime`, `snowflakeToDateTime64`, `dateTimeToSnowflake`, and `dateTime64ToSnowflake`, the new functions are compatible with function `generateSnowflakeID`, i.e. they accept the snowflake IDs generated by `generateSnowflakeID` and produce snowflake IDs of the same type as `generateSnowflakeID` (i.e. `UInt64`). Furthermore, the new functions default to the UNIX epoch (aka. 1970-01-01), just like `generateSnowflakeID`. If necessary, a different epoch, e.g. Twitter's/X's epoch 2010-11-04 aka. 1288834974657 msec since UNIX epoch, can be passed. The old conversion functions are deprecated and will be removed after a transition period: to use them regardless, enable setting `allow_deprecated_snowflake_conversion_functions`. [#64948](https://github.com/ClickHouse/ClickHouse/pull/64948) ([Robert Schulze](https://github.com/rschu1ze)).
#### New Feature
* Provide support for AzureBlobStorage function in ClickHouse server to use Azure Workload identity to authenticate against Azure blob storage. If `use_workload_identity` parameter is set in config, [workload identity](https://github.com/Azure/azure-sdk-for-cpp/tree/main/sdk/identity/azure-identity#authenticate-azure-hosted-applications) is used for authentication. [#57881](https://github.com/ClickHouse/ClickHouse/pull/57881) ([Vinay Suryadevara](https://github.com/vinay92-ch)).
* Introduce bulk loading to StorageEmbeddedRocksDB by creating and ingesting SST file instead of relying on rocksdb build-in memtable. This help to increase importing speed, especially for long-running insert query to StorageEmbeddedRocksDB tables. Also, introduce `StorageEmbeddedRocksDB` table settings. [#59163](https://github.com/ClickHouse/ClickHouse/pull/59163) ([Duc Canh Le](https://github.com/canhld94)).
* Introduce statistics of type "number of distinct values". [#59357](https://github.com/ClickHouse/ClickHouse/pull/59357) ([Han Fei](https://github.com/hanfei1991)).
* User can now parse CRLF with TSV format using a setting `input_format_tsv_crlf_end_of_line`. Closes [#56257](https://github.com/ClickHouse/ClickHouse/issues/56257). [#59747](https://github.com/ClickHouse/ClickHouse/pull/59747) ([Shaun Struwig](https://github.com/Blargian)).
* Add Hilbert Curve encode and decode functions. [#60156](https://github.com/ClickHouse/ClickHouse/pull/60156) ([Artem Mustafin](https://github.com/Artemmm91)).
* Adds the Form Format to read/write a single record in the application/x-www-form-urlencoded format. [#60199](https://github.com/ClickHouse/ClickHouse/pull/60199) ([Shaun Struwig](https://github.com/Blargian)).
* Added possibility to compress in CROSS JOIN. [#60459](https://github.com/ClickHouse/ClickHouse/pull/60459) ([p1rattttt](https://github.com/p1rattttt)).
* New setting `input_format_force_null_for_omitted_fields` that forces NULL values for omitted fields. [#60887](https://github.com/ClickHouse/ClickHouse/pull/60887) ([Constantine Peresypkin](https://github.com/pkit)).
* Support join with inequal conditions which involve columns from both left and right table. e.g. `t1.y < t2.y`. To enable, `SET allow_experimental_join_condition = 1`. [#60920](https://github.com/ClickHouse/ClickHouse/pull/60920) ([lgbo](https://github.com/lgbo-ustc)).
* Earlier our s3 storage and s3 table function didn't support selecting from archive files. I created a solution that allows to iterate over files inside archives in S3. [#62259](https://github.com/ClickHouse/ClickHouse/pull/62259) ([Daniil Ivanik](https://github.com/divanik)).
* Support for conditional function `clamp`. [#62377](https://github.com/ClickHouse/ClickHouse/pull/62377) ([skyoct](https://github.com/skyoct)).
* Add npy output format. [#62430](https://github.com/ClickHouse/ClickHouse/pull/62430) ([豪肥肥](https://github.com/HowePa)).
* Added support for reading LINESTRING geometry in WKT format using function `readWKTLineString`. [#62519](https://github.com/ClickHouse/ClickHouse/pull/62519) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Added SQL functions `generateUUIDv7`, `generateUUIDv7ThreadMonotonic`, `generateUUIDv7NonMonotonic` (with different monotonicity/performance trade-offs) to generate version 7 UUIDs aka. timestamp-based UUIDs with random component. Also added a new function `UUIDToNum` to extract bytes from a UUID and a new function `UUIDv7ToDateTime` to extract timestamp component from a UUID version 7. [#62852](https://github.com/ClickHouse/ClickHouse/pull/62852) ([Alexey Petrunyaka](https://github.com/pet74alex)).
* Implement Dynamic data type that allows to store values of any type inside it without knowing all of them in advance. Dynamic type is available under a setting `allow_experimental_dynamic_type`. [#63058](https://github.com/ClickHouse/ClickHouse/pull/63058) ([Kruglov Pavel](https://github.com/Avogar)).
* Allow to attach parts from a different disk. [#63087](https://github.com/ClickHouse/ClickHouse/pull/63087) ([Unalian](https://github.com/Unalian)).
* Allow proxy to be bypassed for hosts specified in `no_proxy` env variable and ClickHouse proxy configuration. [#63314](https://github.com/ClickHouse/ClickHouse/pull/63314) ([Arthur Passos](https://github.com/arthurpassos)).
* Introduce bulk loading to StorageEmbeddedRocksDB by creating and ingesting SST file instead of relying on rocksdb build-in memtable. This help to increase importing speed, especially for long-running insert query to StorageEmbeddedRocksDB tables. Also, introduce StorageEmbeddedRocksDB table settings. [#63324](https://github.com/ClickHouse/ClickHouse/pull/63324) ([Duc Canh Le](https://github.com/canhld94)).
* Raw as a synonym for TSVRaw. [#63394](https://github.com/ClickHouse/ClickHouse/pull/63394) ([Unalian](https://github.com/Unalian)).
* Added possibility to do cross join in temporary file if size exceeds limits. [#63432](https://github.com/ClickHouse/ClickHouse/pull/63432) ([p1rattttt](https://github.com/p1rattttt)).
* Added a new table function `loop` to support returning query results in an infinite loop. [#63452](https://github.com/ClickHouse/ClickHouse/pull/63452) ([Sariel](https://github.com/sarielwxm)).
* Added new SQL functions `generateSnowflakeID` for generating Twitter-style Snowflake IDs. [#63577](https://github.com/ClickHouse/ClickHouse/pull/63577) ([Danila Puzov](https://github.com/kazalika)).
* Add the ability to reshuffle rows during insert to optimize for size without violating the order set by `PRIMARY KEY`. It's controlled by the setting `optimize_row_order` (off by default). [#63578](https://github.com/ClickHouse/ClickHouse/pull/63578) ([Igor Markelov](https://github.com/ElderlyPassionFruit)).
* On Linux and MacOS, if the program has STDOUT redirected to a file with a compression extension, use the corresponding compression method instead of nothing (making it behave similarly to `INTO OUTFILE` ). [#63662](https://github.com/ClickHouse/ClickHouse/pull/63662) ([v01dXYZ](https://github.com/v01dXYZ)).
* Added `merge_workload` and `mutation_workload` settings to regulate how resources are utilized and shared between merges, mutations and other workloads. [#64061](https://github.com/ClickHouse/ClickHouse/pull/64061) ([Sergei Trifonov](https://github.com/serxa)).
* Change warning on high number of attached tables to differentiate tables, views and dictionaries. [#64180](https://github.com/ClickHouse/ClickHouse/pull/64180) ([Francisco J. Jurado Moreno](https://github.com/Beetelbrox)).
* Add support for comparing IPv4 and IPv6 types using the `=` operator. [#64292](https://github.com/ClickHouse/ClickHouse/pull/64292) ([Francisco J. Jurado Moreno](https://github.com/Beetelbrox)).
* Allow to store named collections in zookeeper. [#64574](https://github.com/ClickHouse/ClickHouse/pull/64574) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Support decimal arguments in binary math functions (pow(), atan2(), max2, min2(), hypot(). [#64582](https://github.com/ClickHouse/ClickHouse/pull/64582) ([Mikhail Gorshkov](https://github.com/mgorshkov)).
* Add support for index analysis over `hilbertEncode`. [#64662](https://github.com/ClickHouse/ClickHouse/pull/64662) ([Artem Mustafin](https://github.com/Artemmm91)).
* Added SQL functions `parseReadableSize` (along with `OrNull` and `OrZero` variants). [#64742](https://github.com/ClickHouse/ClickHouse/pull/64742) ([Francisco J. Jurado Moreno](https://github.com/Beetelbrox)).
* Add server settings `max_table_num_to_throw` and `max_database_num_to_throw` to limit the number of databases or tables on `CREATE` queries. [#64781](https://github.com/ClickHouse/ClickHouse/pull/64781) ([Xu Jia](https://github.com/XuJia0210)).
* Add _time virtual column to file alike storages (s3/file/hdfs/url/azureBlobStorage). [#64947](https://github.com/ClickHouse/ClickHouse/pull/64947) ([Ilya Golshtein](https://github.com/ilejn)).
* Introduced new functions `base64URLEncode`, `base64URLDecode` and `tryBase64URLDecode`. [#64991](https://github.com/ClickHouse/ClickHouse/pull/64991) ([Mikhail Gorshkov](https://github.com/mgorshkov)).
* Add new function `editDistanceUTF8`, which calculates the [edit distance](https://en.wikipedia.org/wiki/Edit_distance) between two UTF8 strings. [#65269](https://github.com/ClickHouse/ClickHouse/pull/65269) ([LiuNeng](https://github.com/liuneng1994)).
#### Performance Improvement
* Skip merging of newly created projection blocks during `INSERT`-s. [#59405](https://github.com/ClickHouse/ClickHouse/pull/59405) ([Nikita Taranov](https://github.com/nickitat)).
* Add a native parquet reader, which can read parquet binary to ClickHouse Columns directly. It's controlled by the setting `input_format_parquet_use_native_reader` (disabled by default). [#60361](https://github.com/ClickHouse/ClickHouse/pull/60361) ([ZhiHong Zhang](https://github.com/copperybean)).
* Reduce the number of virtual function calls in ColumnNullable::size(). [#60556](https://github.com/ClickHouse/ClickHouse/pull/60556) ([HappenLee](https://github.com/HappenLee)).
* Process string functions XXXUTF8 'asciily' if input strings are all ascii chars. Inspired by https://github.com/apache/doris/pull/29799. Overall speed up by 1.07x~1.62x. Notice that peak memory usage had been decreased in some cases. [#61632](https://github.com/ClickHouse/ClickHouse/pull/61632) ([李扬](https://github.com/taiyang-li)).
* Improved performance of selection (`{}`) globs in StorageS3. [#62120](https://github.com/ClickHouse/ClickHouse/pull/62120) ([Andrey Zvonov](https://github.com/zvonand)).
* HostResolver has each IP address several times. If remote host has several IPs and by some reason (firewall rules for example) access on some IPs allowed and on others forbidden, than only first record of forbidden IPs marked as failed, and in each try these IPs have a chance to be chosen (and failed again). Even if fix this, every 120 seconds DNS cache dropped, and IPs can be chosen again. [#62652](https://github.com/ClickHouse/ClickHouse/pull/62652) ([Anton Ivashkin](https://github.com/ianton-ru)).
* Speedup `splitByRegexp` when the regular expression argument is a single-character. [#62696](https://github.com/ClickHouse/ClickHouse/pull/62696) ([Robert Schulze](https://github.com/rschu1ze)).
* Speed up FixedHashTable by keeping track of the min and max keys used. This allows to reduce the number of cells that need to be verified. [#62746](https://github.com/ClickHouse/ClickHouse/pull/62746) ([Jiebin Sun](https://github.com/jiebinn)).
* Add a new configuration`prefer_merge_sort_block_bytes` to control the memory usage and speed up sorting 2 times when merging when there are many columns. [#62904](https://github.com/ClickHouse/ClickHouse/pull/62904) ([LiuNeng](https://github.com/liuneng1994)).
* `clickhouse-local` will start faster. In previous versions, it was not deleting temporary directories by mistake. Now it will. This closes [#62941](https://github.com/ClickHouse/ClickHouse/issues/62941). [#63074](https://github.com/ClickHouse/ClickHouse/pull/63074) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Micro-optimizations for the new analyzer. [#63429](https://github.com/ClickHouse/ClickHouse/pull/63429) ([Raúl Marín](https://github.com/Algunenano)).
* Index analysis will work if `DateTime` is compared to `DateTime64`. This closes [#63441](https://github.com/ClickHouse/ClickHouse/issues/63441). [#63443](https://github.com/ClickHouse/ClickHouse/pull/63443) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Index analysis will work if `DateTime` is compared to `DateTime64`. This closes [#63441](https://github.com/ClickHouse/ClickHouse/issues/63441). [#63532](https://github.com/ClickHouse/ClickHouse/pull/63532) ([Raúl Marín](https://github.com/Algunenano)).
* Optimize the resolution of in(LowCardinality, ConstantSet). [#64060](https://github.com/ClickHouse/ClickHouse/pull/64060) ([Zhiguo Zhou](https://github.com/ZhiguoZh)).
* Speed up indices of type `set` a little (around 1.5 times) by removing garbage. [#64098](https://github.com/ClickHouse/ClickHouse/pull/64098) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Use a thread pool to initialize and destroy hash tables inside `ConcurrentHashJoin`. [#64241](https://github.com/ClickHouse/ClickHouse/pull/64241) ([Nikita Taranov](https://github.com/nickitat)).
* Optimized vertical merges in tables with sparse columns. [#64311](https://github.com/ClickHouse/ClickHouse/pull/64311) ([Anton Popov](https://github.com/CurtizJ)).
* Enabled prefetches of data from remote filesystem during vertical merges. It improves latency of vertical merges in tables with data stored on remote filesystem. [#64314](https://github.com/ClickHouse/ClickHouse/pull/64314) ([Anton Popov](https://github.com/CurtizJ)).
* Reduce redundant calls to `isDefault()` of `ColumnSparse::filter` to improve performance. [#64426](https://github.com/ClickHouse/ClickHouse/pull/64426) ([Jiebin Sun](https://github.com/jiebinn)).
* Speedup `find_super_nodes` and `find_big_family` keeper-client commands by making multiple asynchronous getChildren requests. [#64628](https://github.com/ClickHouse/ClickHouse/pull/64628) ([Alexander Gololobov](https://github.com/davenger)).
* Improve function least/greatest for nullable numberic type arguments. [#64668](https://github.com/ClickHouse/ClickHouse/pull/64668) ([KevinyhZou](https://github.com/KevinyhZou)).
* Allow merging two consequent `FilterSteps` of a query plan. This improves filter-push-down optimization if the filter condition can be pushed down from the parent step. [#64760](https://github.com/ClickHouse/ClickHouse/pull/64760) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Remove bad optimization in vertical final implementation and re-enable vertical final algorithm by default. [#64783](https://github.com/ClickHouse/ClickHouse/pull/64783) ([Duc Canh Le](https://github.com/canhld94)).
* Remove ALIAS nodes from the filter expression. This slightly improves performance for queries with `PREWHERE` (with new analyzer). [#64793](https://github.com/ClickHouse/ClickHouse/pull/64793) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix performance regression in cross join introduced in [#60459](https://github.com/ClickHouse/ClickHouse/issues/60459) (24.5). [#65243](https://github.com/ClickHouse/ClickHouse/pull/65243) ([Nikita Taranov](https://github.com/nickitat)).
#### Improvement
* Support empty tuples. [#55061](https://github.com/ClickHouse/ClickHouse/pull/55061) ([Amos Bird](https://github.com/amosbird)).
* Hot reload storage policy for distributed tables when adding a new disk. [#58285](https://github.com/ClickHouse/ClickHouse/pull/58285) ([Duc Canh Le](https://github.com/canhld94)).
* Maps can now have `Float32`, `Float64`, `Array(T)`, `Map(K,V)` and `Tuple(T1, T2, ...)` as keys. Closes [#54537](https://github.com/ClickHouse/ClickHouse/issues/54537). [#59318](https://github.com/ClickHouse/ClickHouse/pull/59318) ([李扬](https://github.com/taiyang-li)).
* Avoid possible deadlock during MergeTree index analysis when scheduling threads in a saturated service. [#59427](https://github.com/ClickHouse/ClickHouse/pull/59427) ([Sean Haynes](https://github.com/seandhaynes)).
* Multiline strings with border preservation and column width change. [#59940](https://github.com/ClickHouse/ClickHouse/pull/59940) ([Volodyachan](https://github.com/Volodyachan)).
* Make rabbitmq nack broken messages. Closes [#45350](https://github.com/ClickHouse/ClickHouse/issues/45350). [#60312](https://github.com/ClickHouse/ClickHouse/pull/60312) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Support partial trivial count optimization when the query filter is able to select exact ranges from merge tree tables. [#60463](https://github.com/ClickHouse/ClickHouse/pull/60463) ([Amos Bird](https://github.com/amosbird)).
* Fix a crash in asynchronous stack unwinding (such as when using the sampling query profiler) while interpreting debug info. This closes [#60460](https://github.com/ClickHouse/ClickHouse/issues/60460). [#60468](https://github.com/ClickHouse/ClickHouse/pull/60468) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Reduce max memory usage of multithreaded `INSERT`s by collecting chunks of multiple threads in a single transform. [#61047](https://github.com/ClickHouse/ClickHouse/pull/61047) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Distinct messages for s3 error 'no key' for cases disk and storage. [#61108](https://github.com/ClickHouse/ClickHouse/pull/61108) ([Sema Checherinda](https://github.com/CheSema)).
* Less contention in filesystem cache (part 4). Allow to keep filesystem cache not filled to the limit by doing additional eviction in the background (controlled by `keep_free_space_size(elements)_ratio`). This allows to release pressure from space reservation for queries (on `tryReserve` method). Also this is done in a lock free way as much as possible, e.g. should not block normal cache usage. [#61250](https://github.com/ClickHouse/ClickHouse/pull/61250) ([Kseniia Sumarokova](https://github.com/kssenii)).
* The progress bar will work for trivial queries with LIMIT from `system.zeros`, `system.zeros_mt` (it already works for `system.numbers` and `system.numbers_mt`), and the `generateRandom` table function. As a bonus, if the total number of records is greater than the `max_rows_to_read` limit, it will throw an exception earlier. This closes [#58183](https://github.com/ClickHouse/ClickHouse/issues/58183). [#61823](https://github.com/ClickHouse/ClickHouse/pull/61823) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* YAML Merge Key support. [#62685](https://github.com/ClickHouse/ClickHouse/pull/62685) ([Azat Khuzhin](https://github.com/azat)).
* Enhance error message when non-deterministic function is used with Replicated source. [#62896](https://github.com/ClickHouse/ClickHouse/pull/62896) ([Grégoire Pineau](https://github.com/lyrixx)).
* Fix interserver secret for Distributed over Distributed from `remote`. [#63013](https://github.com/ClickHouse/ClickHouse/pull/63013) ([Azat Khuzhin](https://github.com/azat)).
* Allow using `clickhouse-local` and its shortcuts `clickhouse` and `ch` with a query or queries file as a positional argument. Examples: `ch "SELECT 1"`, `ch --param_test Hello "SELECT {test:String}"`, `ch query.sql`. This closes [#62361](https://github.com/ClickHouse/ClickHouse/issues/62361). [#63081](https://github.com/ClickHouse/ClickHouse/pull/63081) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Support configuration substitutions from YAML files. [#63106](https://github.com/ClickHouse/ClickHouse/pull/63106) ([Eduard Karacharov](https://github.com/korowa)).
* Reduce the memory usage when using Azure object storage by using fixed memory allocation, avoiding the allocation of an extra buffer. [#63160](https://github.com/ClickHouse/ClickHouse/pull/63160) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Add TTL information in system parts_columns table. [#63200](https://github.com/ClickHouse/ClickHouse/pull/63200) ([litlig](https://github.com/litlig)).
* Keep previous data in terminal after picking from skim suggestions. [#63261](https://github.com/ClickHouse/ClickHouse/pull/63261) ([FlameFactory](https://github.com/FlameFactory)).
* Width of fields now correctly calculate, ignoring ANSI escape sequences. [#63270](https://github.com/ClickHouse/ClickHouse/pull/63270) ([Shaun Struwig](https://github.com/Blargian)).
* Enable plain_rewritable metadata for local and Azure (azure_blob_storage) object storages. [#63365](https://github.com/ClickHouse/ClickHouse/pull/63365) ([Julia Kartseva](https://github.com/jkartseva)).
* Support English-style Unicode quotes, e.g. “Hello”, ‘world’. This is questionable in general but helpful when you type your query in a word processor, such as Google Docs. This closes [#58634](https://github.com/ClickHouse/ClickHouse/issues/58634). [#63381](https://github.com/ClickHouse/ClickHouse/pull/63381) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Allowed to create MaterializedMySQL database without connection to MySQL. [#63397](https://github.com/ClickHouse/ClickHouse/pull/63397) ([Kirill](https://github.com/kirillgarbar)).
* Remove copying data when writing to filesystem cache. [#63401](https://github.com/ClickHouse/ClickHouse/pull/63401) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Update the usage of error code `NUMBER_OF_ARGUMENTS_DOESNT_MATCH` by more accurate error codes when appropriate. [#63406](https://github.com/ClickHouse/ClickHouse/pull/63406) ([Yohann Jardin](https://github.com/yohannj)).
* Several minor corner case fixes to proxy support & tunneling. [#63427](https://github.com/ClickHouse/ClickHouse/pull/63427) ([Arthur Passos](https://github.com/arthurpassos)).
* `os_user` and `client_hostname` are now correctly set up for queries for command line suggestions in clickhouse-client. This closes [#63430](https://github.com/ClickHouse/ClickHouse/issues/63430). [#63433](https://github.com/ClickHouse/ClickHouse/pull/63433) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fixed tabulation from line numbering, correct handling of length when moving a line if the value has a tab, added tests. [#63493](https://github.com/ClickHouse/ClickHouse/pull/63493) ([Volodyachan](https://github.com/Volodyachan)).
* Add this `aggregate_function_group_array_has_limit_size`setting to support discarding data in some scenarios. [#63516](https://github.com/ClickHouse/ClickHouse/pull/63516) ([zhongyuankai](https://github.com/zhongyuankai)).
* Automatically mark a replica of Replicated database as lost and start recovery if some DDL task fails more than `max_retries_before_automatic_recovery` (100 by default) times in a row with the same error. Also, fixed a bug that could cause skipping DDL entries when an exception is thrown during an early stage of entry execution. [#63549](https://github.com/ClickHouse/ClickHouse/pull/63549) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Add `http_response_headers` setting to support custom response headers in custom HTTP handlers. [#63562](https://github.com/ClickHouse/ClickHouse/pull/63562) ([Grigorii](https://github.com/GSokol)).
* Automatically correct `max_block_size=0` to default value. [#63587](https://github.com/ClickHouse/ClickHouse/pull/63587) ([Antonio Andelic](https://github.com/antonio2368)).
* Account failed files in `s3queue_tracked_file_ttl_sec` and `s3queue_traked_files_limit` for `StorageS3Queue`. [#63638](https://github.com/ClickHouse/ClickHouse/pull/63638) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Add a build_id ALIAS column to trace_log to facilitate auto renaming upon detecting binary changes. This is to address [#52086](https://github.com/ClickHouse/ClickHouse/issues/52086). [#63656](https://github.com/ClickHouse/ClickHouse/pull/63656) ([Zimu Li](https://github.com/woodlzm)).
* Enable truncate operation for object storage disks. [#63693](https://github.com/ClickHouse/ClickHouse/pull/63693) ([MikhailBurdukov](https://github.com/MikhailBurdukov)).
* Improve io_uring resubmits visibility. Rename profile event `IOUringSQEsResubmits` -> `IOUringSQEsResubmitsAsync` and add a new one `IOUringSQEsResubmitsSync`. [#63699](https://github.com/ClickHouse/ClickHouse/pull/63699) ([Tomer Shafir](https://github.com/tomershafir)).
* Introduce assertions to verify all functions are called with columns of the right size. [#63723](https://github.com/ClickHouse/ClickHouse/pull/63723) ([Raúl Marín](https://github.com/Algunenano)).
* The loading of the keywords list is now dependent on the server revision and will be disabled for the old versions of ClickHouse server. CC @azat. [#63786](https://github.com/ClickHouse/ClickHouse/pull/63786) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* `SHOW CREATE TABLE` executed on top of system tables will now show the super handy comment unique for each table which will explain why this table is needed. [#63788](https://github.com/ClickHouse/ClickHouse/pull/63788) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Allow trailing commas in the columns list in the INSERT query. For example, `INSERT INTO test (a, b, c, ) VALUES ...`. [#63803](https://github.com/ClickHouse/ClickHouse/pull/63803) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Better exception messages for the `Regexp` format. [#63804](https://github.com/ClickHouse/ClickHouse/pull/63804) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Allow trailing commas in the `Values` format. For example, this query is allowed: `INSERT INTO test (a, b, c) VALUES (4, 5, 6,);`. [#63810](https://github.com/ClickHouse/ClickHouse/pull/63810) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Clickhouse disks have to read server setting to obtain actual metadata format version. [#63831](https://github.com/ClickHouse/ClickHouse/pull/63831) ([Sema Checherinda](https://github.com/CheSema)).
* Disable pretty format restrictions (`output_format_pretty_max_rows`/`output_format_pretty_max_value_width`) when stdout is not TTY. [#63942](https://github.com/ClickHouse/ClickHouse/pull/63942) ([Azat Khuzhin](https://github.com/azat)).
* Exception handling now works when ClickHouse is used inside AWS Lambda. Author: [Alexey Coolnev](https://github.com/acoolnev). [#64014](https://github.com/ClickHouse/ClickHouse/pull/64014) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Throw `CANNOT_DECOMPRESS` instread of `CORRUPTED_DATA` on invalid compressed data passed via HTTP. [#64036](https://github.com/ClickHouse/ClickHouse/pull/64036) ([vdimir](https://github.com/vdimir)).
* A tip for a single large number in Pretty formats now works for Nullable and LowCardinality. This closes [#61993](https://github.com/ClickHouse/ClickHouse/issues/61993). [#64084](https://github.com/ClickHouse/ClickHouse/pull/64084) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Now backups with azure blob storage will use multicopy. [#64116](https://github.com/ClickHouse/ClickHouse/pull/64116) ([alesapin](https://github.com/alesapin)).
* Added a new setting, `metadata_keep_free_space_bytes` to keep free space on the metadata storage disk. [#64128](https://github.com/ClickHouse/ClickHouse/pull/64128) ([MikhailBurdukov](https://github.com/MikhailBurdukov)).
* Add metrics, logs, and thread names around parts filtering with indices. [#64130](https://github.com/ClickHouse/ClickHouse/pull/64130) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Allow to use native copy for azure even with different containers. [#64154](https://github.com/ClickHouse/ClickHouse/pull/64154) ([alesapin](https://github.com/alesapin)).
* Add metrics to track the number of directories created and removed by the plain_rewritable metadata storage, and the number of entries in the local-to-remote in-memory map. [#64175](https://github.com/ClickHouse/ClickHouse/pull/64175) ([Julia Kartseva](https://github.com/jkartseva)).
* Finally enable native copy for azure. [#64182](https://github.com/ClickHouse/ClickHouse/pull/64182) ([alesapin](https://github.com/alesapin)).
* Ignore `allow_suspicious_primary_key` on `ATTACH` and verify on `ALTER`. [#64202](https://github.com/ClickHouse/ClickHouse/pull/64202) ([Azat Khuzhin](https://github.com/azat)).
* The query cache now considers identical queries with different settings as different. This increases robustness in cases where different settings (e.g. `limit` or `additional_table_filters`) would affect the query result. [#64205](https://github.com/ClickHouse/ClickHouse/pull/64205) ([Robert Schulze](https://github.com/rschu1ze)).
* Better Exception Message in Delete Table with Projection, users can understand the error and the steps should be taken. [#64212](https://github.com/ClickHouse/ClickHouse/pull/64212) ([jsc0218](https://github.com/jsc0218)).
* Support the non standard error code `QpsLimitExceeded` in object storage as a retryable error. [#64225](https://github.com/ClickHouse/ClickHouse/pull/64225) ([Sema Checherinda](https://github.com/CheSema)).
* Forbid converting a MergeTree table to replicated if the zookeeper path for this table already exists. [#64244](https://github.com/ClickHouse/ClickHouse/pull/64244) ([Kirill](https://github.com/kirillgarbar)).
* If "replica group" is configured for a `Replicated` database, automatically create a cluster that includes replicas from all groups. [#64312](https://github.com/ClickHouse/ClickHouse/pull/64312) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Added settings to disable materialization of skip indexes and statistics on inserts (`materialize_skip_indexes_on_insert` and `materialize_statistics_on_insert`). [#64391](https://github.com/ClickHouse/ClickHouse/pull/64391) ([Anton Popov](https://github.com/CurtizJ)).
* Use the allocated memory size to calculate the row group size and reduce the peak memory of the parquet writer in single-threaded mode. [#64424](https://github.com/ClickHouse/ClickHouse/pull/64424) ([LiuNeng](https://github.com/liuneng1994)).
* Added new configuration input_format_parquet_prefer_block_bytes to control the average output block bytes, and modified the default value of input_format_parquet_max_block_size to 65409. [#64427](https://github.com/ClickHouse/ClickHouse/pull/64427) ([LiuNeng](https://github.com/liuneng1994)).
* Always start Keeper with sufficient amount of threads in global thread pool. [#64444](https://github.com/ClickHouse/ClickHouse/pull/64444) ([Duc Canh Le](https://github.com/canhld94)).
* Settings from user config doesn't affect merges and mutations for MergeTree on top of object storage. [#64456](https://github.com/ClickHouse/ClickHouse/pull/64456) ([alesapin](https://github.com/alesapin)).
* Setting `replace_long_file_name_to_hash` is enabled by default for `MergeTree` tables. [#64457](https://github.com/ClickHouse/ClickHouse/pull/64457) ([Anton Popov](https://github.com/CurtizJ)).
* Improve the iterator of sparse column to reduce call of size(). [#64497](https://github.com/ClickHouse/ClickHouse/pull/64497) ([Jiebin Sun](https://github.com/jiebinn)).
* Update condition to use copy for azure blob storage. [#64518](https://github.com/ClickHouse/ClickHouse/pull/64518) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Support the non standard error code `TotalQpsLimitExceeded` in object storage as a retryable error. [#64520](https://github.com/ClickHouse/ClickHouse/pull/64520) ([Sema Checherinda](https://github.com/CheSema)).
* Optimized memory usage of vertical merges for tables with high number of skip indexes. [#64580](https://github.com/ClickHouse/ClickHouse/pull/64580) ([Anton Popov](https://github.com/CurtizJ)).
* Introduced two additional columns in the `system.query_log`: `used_privileges` and `missing_privileges`. `used_privileges` is populated with the privileges that were checked during query execution, and `missing_privileges` contains required privileges that are missing. [#64597](https://github.com/ClickHouse/ClickHouse/pull/64597) ([Alexey Katsman](https://github.com/alexkats)).
* Add settings `parallel_replicas_custom_key_range_lower` and `parallel_replicas_custom_key_range_upper` to control how parallel replicas with dynamic shards parallelizes queries when using a range filter. [#64604](https://github.com/ClickHouse/ClickHouse/pull/64604) ([josh-hildred](https://github.com/josh-hildred)).
* Updated Advanced Dashboard for both open-source and ClickHouse Cloud versions to include a chart for 'Maximum concurrent network connections'. [#64610](https://github.com/ClickHouse/ClickHouse/pull/64610) ([Thom O'Connor](https://github.com/thomoco)).
* The second argument (scale) of functions `round()`, `roundBankers()`, `floor()`, `ceil()` and `trunc()` can now be non-const. [#64798](https://github.com/ClickHouse/ClickHouse/pull/64798) ([Mikhail Gorshkov](https://github.com/mgorshkov)).
* Improve progress report on zeros_mt and generateRandom. [#64804](https://github.com/ClickHouse/ClickHouse/pull/64804) ([Raúl Marín](https://github.com/Algunenano)).
* Add an asynchronous metric jemalloc.profile.active to show whether sampling is currently active. This is an activation mechanism in addition to prof.active; both must be active for the calling thread to sample. [#64842](https://github.com/ClickHouse/ClickHouse/pull/64842) ([Unalian](https://github.com/Unalian)).
* Support statistics with ReplicatedMergeTree. [#64934](https://github.com/ClickHouse/ClickHouse/pull/64934) ([Han Fei](https://github.com/hanfei1991)).
* Don't mark of `allow_experimental_join_condition` as IMPORTANT. This may have prevented distributed queries in a mixed versions cluster from being executed successfully. [#65008](https://github.com/ClickHouse/ClickHouse/pull/65008) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Backported in [#65716](https://github.com/ClickHouse/ClickHouse/issues/65716): `StorageS3Queue` related fixes and improvements. Deduce a default value of `s3queue_processing_threads_num` according to the number of physical cpu cores on the server (instead of the previous default value as 1). Set default value of `s3queue_loading_retries` to 10. Fix possible vague "Uncaught exception" in exception column of `system.s3queue`. Do not increment retry count on `MEMORY_LIMIT_EXCEEDED` exception. Move files commit to a stage after insertion into table fully finished to avoid files being commited while not inserted. Add settings `s3queue_max_processed_files_before_commit`, `s3queue_max_processed_rows_before_commit`, `s3queue_max_processed_bytes_before_commit`, `s3queue_max_processing_time_sec_before_commit`, to better control commit and flush time. [#65046](https://github.com/ClickHouse/ClickHouse/pull/65046) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Added server Asynchronous metrics `DiskGetObjectThrottler*` and `DiskGetObjectThrottler*` reflecting request per second rate limit defined with `s3_max_get_rps` and `s3_max_put_rps` disk settings and currently available number of requests that could be sent without hitting throttling limit on the disk. Metrics are defined for every disk that has a configured limit. [#65050](https://github.com/ClickHouse/ClickHouse/pull/65050) ([Sergei Trifonov](https://github.com/serxa)).
* Added a setting `output_format_pretty_display_footer_column_names` which when enabled displays column names at the end of the table for long tables (50 rows by default), with the threshold value for minimum number of rows controlled by `output_format_pretty_display_footer_column_names_min_rows`. [#65144](https://github.com/ClickHouse/ClickHouse/pull/65144) ([Shaun Struwig](https://github.com/Blargian)).
* Returned back the behaviour of how ClickHouse works and interprets Tuples in CSV format. This change effectively reverts https://github.com/ClickHouse/ClickHouse/pull/60994 and makes it available only under a few settings: `output_format_csv_serialize_tuple_into_separate_columns`, `input_format_csv_deserialize_separate_columns_into_tuple` and `input_format_csv_try_infer_strings_from_quoted_tuples`. [#65170](https://github.com/ClickHouse/ClickHouse/pull/65170) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Initialize global trace collector for Poco::ThreadPool (needed for keeper, etc). [#65239](https://github.com/ClickHouse/ClickHouse/pull/65239) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Add validation when creating a user with bcrypt_hash. [#65242](https://github.com/ClickHouse/ClickHouse/pull/65242) ([Raúl Marín](https://github.com/Algunenano)).
#### Critical Bug Fix (crash, LOGICAL_ERROR, data loss, RBAC)
* Fix a permission error where a user in a specific situation can escalate their privileges on the default database without necessary grants. [#64769](https://github.com/ClickHouse/ClickHouse/pull/64769) ([pufit](https://github.com/pufit)).
* Fix crash with UniqInjectiveFunctionsEliminationPass and uniqCombined. [#65188](https://github.com/ClickHouse/ClickHouse/pull/65188) ([Raúl Marín](https://github.com/Algunenano)).
* Fix a bug in ClickHouse Keeper that causes digest mismatch during closing session. [#65198](https://github.com/ClickHouse/ClickHouse/pull/65198) ([Aleksei Filatov](https://github.com/aalexfvk)).
* Forbid `QUALIFY` clause in the old analyzer. The old analyzer ignored `QUALIFY`, so it could lead to unexpected data removal in mutations. [#65356](https://github.com/ClickHouse/ClickHouse/pull/65356) ([Dmitry Novik](https://github.com/novikd)).
* Use correct memory alignment for Distinct combinator. Previously, crash could happen because of invalid memory allocation when the combinator was used. [#65379](https://github.com/ClickHouse/ClickHouse/pull/65379) ([Antonio Andelic](https://github.com/antonio2368)).
* Backported in [#65846](https://github.com/ClickHouse/ClickHouse/issues/65846): Check cyclic dependencies on CREATE/REPLACE/RENAME/EXCHANGE queries and throw an exception if there is a cyclic dependency. Previously such cyclic dependencies could lead to a deadlock during server startup. Closes [#65355](https://github.com/ClickHouse/ClickHouse/issues/65355). Also fix some bugs in dependencies creation. [#65405](https://github.com/ClickHouse/ClickHouse/pull/65405) ([Kruglov Pavel](https://github.com/Avogar)).
* Backported in [#65714](https://github.com/ClickHouse/ClickHouse/issues/65714): Fix crash in maxIntersections. [#65689](https://github.com/ClickHouse/ClickHouse/pull/65689) ([Raúl Marín](https://github.com/Algunenano)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* Fix making backup when multiple shards are used. This PR fixes [#56566](https://github.com/ClickHouse/ClickHouse/issues/56566). [#57684](https://github.com/ClickHouse/ClickHouse/pull/57684) ([Vitaly Baranov](https://github.com/vitlibar)).
* Fix passing projections/indexes from CREATE query into inner table of MV. [#59183](https://github.com/ClickHouse/ClickHouse/pull/59183) ([Azat Khuzhin](https://github.com/azat)).
* Fix boundRatio incorrect merge. [#60532](https://github.com/ClickHouse/ClickHouse/pull/60532) ([Tao Wang](https://github.com/wangtZJU)).
* Fix crash when using some functions with low-cardinality columns. [#61966](https://github.com/ClickHouse/ClickHouse/pull/61966) ([Michael Kolupaev](https://github.com/al13n321)).
* Fixed 'set' skip index not working with IN and indexHint(). [#62083](https://github.com/ClickHouse/ClickHouse/pull/62083) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix queries with FINAL give wrong result when table does not use adaptive granularity. [#62432](https://github.com/ClickHouse/ClickHouse/pull/62432) ([Duc Canh Le](https://github.com/canhld94)).
* Improve the detection of cgroups v2 memory controller in unusual locations. This fixes a warning that the cgroup memory observer was disabled because no cgroups v1 or v2 current memory file could be found. [#62903](https://github.com/ClickHouse/ClickHouse/pull/62903) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix subsequent use of external tables in client. [#62964](https://github.com/ClickHouse/ClickHouse/pull/62964) ([Azat Khuzhin](https://github.com/azat)).
* Fix crash with untuple and unresolved lambda. [#63131](https://github.com/ClickHouse/ClickHouse/pull/63131) ([Raúl Marín](https://github.com/Algunenano)).
* Fix bug which could lead to server to accept connections before server is actually loaded. [#63181](https://github.com/ClickHouse/ClickHouse/pull/63181) ([alesapin](https://github.com/alesapin)).
* Fix intersect parts when restart after drop range. [#63202](https://github.com/ClickHouse/ClickHouse/pull/63202) ([Han Fei](https://github.com/hanfei1991)).
* Fix a misbehavior when SQL security defaults don't load for old tables during server startup. [#63209](https://github.com/ClickHouse/ClickHouse/pull/63209) ([pufit](https://github.com/pufit)).
* JOIN filter push down filled join fix. Closes [#63228](https://github.com/ClickHouse/ClickHouse/issues/63228). [#63234](https://github.com/ClickHouse/ClickHouse/pull/63234) ([Maksim Kita](https://github.com/kitaisreal)).
* Fix infinite loop while listing objects in Azure blob storage. [#63257](https://github.com/ClickHouse/ClickHouse/pull/63257) ([Julia Kartseva](https://github.com/jkartseva)).
* CROSS join can be executed with any value `join_algorithm` setting, close [#62431](https://github.com/ClickHouse/ClickHouse/issues/62431). [#63273](https://github.com/ClickHouse/ClickHouse/pull/63273) ([vdimir](https://github.com/vdimir)).
* Fixed a potential crash caused by a `no space left` error when temporary data in the cache is used. [#63346](https://github.com/ClickHouse/ClickHouse/pull/63346) ([vdimir](https://github.com/vdimir)).
* Fix bug which could potentially lead to rare LOGICAL_ERROR during SELECT query with message: `Unexpected return type from materialize. Expected type_XXX. Got type_YYY.` Introduced in [#59379](https://github.com/ClickHouse/ClickHouse/issues/59379). [#63353](https://github.com/ClickHouse/ClickHouse/pull/63353) ([alesapin](https://github.com/alesapin)).
* Fix `X-ClickHouse-Timezone` header returning wrong timezone when using `session_timezone` as query level setting. [#63377](https://github.com/ClickHouse/ClickHouse/pull/63377) ([Andrey Zvonov](https://github.com/zvonand)).
* Fix debug assert when using grouping WITH ROLLUP and LowCardinality types. [#63398](https://github.com/ClickHouse/ClickHouse/pull/63398) ([Raúl Marín](https://github.com/Algunenano)).
* Fix logical errors in queries with `GROUPING SETS` and `WHERE` and `group_by_use_nulls = true`, close [#60538](https://github.com/ClickHouse/ClickHouse/issues/60538). [#63405](https://github.com/ClickHouse/ClickHouse/pull/63405) ([vdimir](https://github.com/vdimir)).
* Fix backup of projection part in case projection was removed from table metadata, but part still has projection. [#63426](https://github.com/ClickHouse/ClickHouse/pull/63426) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix 'Every derived table must have its own alias' error for MYSQL dictionary source, close [#63341](https://github.com/ClickHouse/ClickHouse/issues/63341). [#63481](https://github.com/ClickHouse/ClickHouse/pull/63481) ([vdimir](https://github.com/vdimir)).
* Insert QueryFinish on AsyncInsertFlush with no data. [#63483](https://github.com/ClickHouse/ClickHouse/pull/63483) ([Raúl Marín](https://github.com/Algunenano)).
* Fix `system.query_log.used_dictionaries` logging. [#63487](https://github.com/ClickHouse/ClickHouse/pull/63487) ([Eduard Karacharov](https://github.com/korowa)).
* Support executing function during assignment of parameterized view value. [#63502](https://github.com/ClickHouse/ClickHouse/pull/63502) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Avoid segafult in `MergeTreePrefetchedReadPool` while fetching projection parts. [#63513](https://github.com/ClickHouse/ClickHouse/pull/63513) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix rabbitmq heap-use-after-free found by clang-18, which can happen if an error is thrown from RabbitMQ during initialization of exchange and queues. [#63515](https://github.com/ClickHouse/ClickHouse/pull/63515) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix crash on exit with sentry enabled (due to openssl destroyed before sentry). [#63548](https://github.com/ClickHouse/ClickHouse/pull/63548) ([Azat Khuzhin](https://github.com/azat)).
* Fixed parquet memory tracking. [#63584](https://github.com/ClickHouse/ClickHouse/pull/63584) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix support for Array and Map with Keyed hashing functions and materialized keys. [#63628](https://github.com/ClickHouse/ClickHouse/pull/63628) ([Salvatore Mesoraca](https://github.com/aiven-sal)).
* Fixed Parquet filter pushdown not working with Analyzer. [#63642](https://github.com/ClickHouse/ClickHouse/pull/63642) ([Michael Kolupaev](https://github.com/al13n321)).
* It is forbidden to convert MergeTree to replicated if the zookeeper path for this table already exists. [#63670](https://github.com/ClickHouse/ClickHouse/pull/63670) ([Kirill](https://github.com/kirillgarbar)).
* Read only the necessary columns from VIEW (new analyzer). Closes [#62594](https://github.com/ClickHouse/ClickHouse/issues/62594). [#63688](https://github.com/ClickHouse/ClickHouse/pull/63688) ([Maksim Kita](https://github.com/kitaisreal)).
* Fix rare case with missing data in the result of distributed query. [#63691](https://github.com/ClickHouse/ClickHouse/pull/63691) ([vdimir](https://github.com/vdimir)).
* Fix [#63539](https://github.com/ClickHouse/ClickHouse/issues/63539). Forbid WINDOW redefinition in new analyzer. [#63694](https://github.com/ClickHouse/ClickHouse/pull/63694) ([Dmitry Novik](https://github.com/novikd)).
* Flatten_nested is broken with replicated database. [#63695](https://github.com/ClickHouse/ClickHouse/pull/63695) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix `SIZES_OF_COLUMNS_DOESNT_MATCH` error for queries with `arrayJoin` function in `WHERE`. Fixes [#63653](https://github.com/ClickHouse/ClickHouse/issues/63653). [#63722](https://github.com/ClickHouse/ClickHouse/pull/63722) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix `Not found column` and `CAST AS Map from array requires nested tuple of 2 elements` exceptions for distributed queries which use `Map(Nothing, Nothing)` type. Fixes [#63637](https://github.com/ClickHouse/ClickHouse/issues/63637). [#63753](https://github.com/ClickHouse/ClickHouse/pull/63753) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix possible `ILLEGAL_COLUMN` error in `partial_merge` join, close [#37928](https://github.com/ClickHouse/ClickHouse/issues/37928). [#63755](https://github.com/ClickHouse/ClickHouse/pull/63755) ([vdimir](https://github.com/vdimir)).
* `query_plan_remove_redundant_distinct` can break queries with WINDOW FUNCTIONS (with `allow_experimental_analyzer` is on). Fixes [#62820](https://github.com/ClickHouse/ClickHouse/issues/62820). [#63776](https://github.com/ClickHouse/ClickHouse/pull/63776) ([Igor Nikonov](https://github.com/devcrafter)).
* Fix possible crash with SYSTEM UNLOAD PRIMARY KEY. [#63778](https://github.com/ClickHouse/ClickHouse/pull/63778) ([Raúl Marín](https://github.com/Algunenano)).
* Fix a query with a duplicating cycling alias. Fixes [#63320](https://github.com/ClickHouse/ClickHouse/issues/63320). [#63791](https://github.com/ClickHouse/ClickHouse/pull/63791) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fixed performance degradation of parsing data formats in INSERT query. This closes [#62918](https://github.com/ClickHouse/ClickHouse/issues/62918). This partially reverts [#42284](https://github.com/ClickHouse/ClickHouse/issues/42284), which breaks the original design and introduces more problems. [#63801](https://github.com/ClickHouse/ClickHouse/pull/63801) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add 'endpoint_subpath' S3 URI setting to allow plain_rewritable disks to share the same endpoint. [#63806](https://github.com/ClickHouse/ClickHouse/pull/63806) ([Julia Kartseva](https://github.com/jkartseva)).
* Fix queries using parallel read buffer (e.g. with max_download_thread > 0) getting stuck when threads cannot be allocated. [#63814](https://github.com/ClickHouse/ClickHouse/pull/63814) ([Antonio Andelic](https://github.com/antonio2368)).
* Allow JOIN filter push down to both streams if only single equivalent column is used in query. Closes [#63799](https://github.com/ClickHouse/ClickHouse/issues/63799). [#63819](https://github.com/ClickHouse/ClickHouse/pull/63819) ([Maksim Kita](https://github.com/kitaisreal)).
* Remove the data from all disks after DROP with the Lazy database engines. Without these changes, orhpaned will remain on the disks. [#63848](https://github.com/ClickHouse/ClickHouse/pull/63848) ([MikhailBurdukov](https://github.com/MikhailBurdukov)).
* Fix incorrect select query result when parallel replicas were used to read from a Materialized View. [#63861](https://github.com/ClickHouse/ClickHouse/pull/63861) ([Nikita Taranov](https://github.com/nickitat)).
* Fixes in `find_super_nodes` and `find_big_family` command of keeper-client: - do not fail on ZNONODE errors - find super nodes inside super nodes - properly calculate subtree node count. [#63862](https://github.com/ClickHouse/ClickHouse/pull/63862) ([Alexander Gololobov](https://github.com/davenger)).
* Fix a error `Database name is empty` for remote queries with lambdas over the cluster with modified default database. Fixes [#63471](https://github.com/ClickHouse/ClickHouse/issues/63471). [#63864](https://github.com/ClickHouse/ClickHouse/pull/63864) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix SIGSEGV due to CPU/Real (`query_profiler_real_time_period_ns`/`query_profiler_cpu_time_period_ns`) profiler (has been an issue since 2022, that leads to periodic server crashes, especially if you were using distributed engine). [#63865](https://github.com/ClickHouse/ClickHouse/pull/63865) ([Azat Khuzhin](https://github.com/azat)).
* Fixed `EXPLAIN CURRENT TRANSACTION` query. [#63926](https://github.com/ClickHouse/ClickHouse/pull/63926) ([Anton Popov](https://github.com/CurtizJ)).
* Fix analyzer - IN function with arbitrary deep sub-selects in materialized view to use insertion block. [#63930](https://github.com/ClickHouse/ClickHouse/pull/63930) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Allow `ALTER TABLE .. MODIFY|RESET SETTING` and `ALTER TABLE .. MODIFY COMMENT` for plain_rewritable disk. [#63933](https://github.com/ClickHouse/ClickHouse/pull/63933) ([Julia Kartseva](https://github.com/jkartseva)).
* Fix Recursive CTE with distributed queries. Closes [#63790](https://github.com/ClickHouse/ClickHouse/issues/63790). [#63939](https://github.com/ClickHouse/ClickHouse/pull/63939) ([Maksim Kita](https://github.com/kitaisreal)).
* Fixed reading of columns of type `Tuple(Map(LowCardinality(String), String), ...)`. [#63956](https://github.com/ClickHouse/ClickHouse/pull/63956) ([Anton Popov](https://github.com/CurtizJ)).
* Fix resolve of unqualified COLUMNS matcher. Preserve the input columns order and forbid usage of unknown identifiers. [#63962](https://github.com/ClickHouse/ClickHouse/pull/63962) ([Dmitry Novik](https://github.com/novikd)).
* Fix the `Not found column` error for queries with `skip_unused_shards = 1`, `LIMIT BY`, and the new analyzer. Fixes [#63943](https://github.com/ClickHouse/ClickHouse/issues/63943). [#63983](https://github.com/ClickHouse/ClickHouse/pull/63983) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* (Low-quality third-party Kusto Query Language). Resolve Client Abortion Issue When Using KQL Table Function in Interactive Mode. [#63992](https://github.com/ClickHouse/ClickHouse/pull/63992) ([Yong Wang](https://github.com/kashwy)).
* Fix an `Cyclic aliases` error for cyclic aliases of different type (expression and function). [#63993](https://github.com/ClickHouse/ClickHouse/pull/63993) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Deserialize untrusted binary inputs in a safer way. [#64024](https://github.com/ClickHouse/ClickHouse/pull/64024) ([Robert Schulze](https://github.com/rschu1ze)).
* Do not throw `Storage doesn't support FINAL` error for remote queries over non-MergeTree tables with `final = true` and new analyzer. Fixes [#63960](https://github.com/ClickHouse/ClickHouse/issues/63960). [#64037](https://github.com/ClickHouse/ClickHouse/pull/64037) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Add missing settings to recoverLostReplica. [#64040](https://github.com/ClickHouse/ClickHouse/pull/64040) ([Raúl Marín](https://github.com/Algunenano)).
* Fix unwind on SIGSEGV on aarch64 (due to small stack for signal). [#64058](https://github.com/ClickHouse/ClickHouse/pull/64058) ([Azat Khuzhin](https://github.com/azat)).
* This fix will use a proper redefined context with the correct definer for each individual view in the query pipeline. [#64079](https://github.com/ClickHouse/ClickHouse/pull/64079) ([pufit](https://github.com/pufit)).
* Fix analyzer: "Not found column" error is fixed when using INTERPOLATE. [#64096](https://github.com/ClickHouse/ClickHouse/pull/64096) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Fix azure backup writing multipart blocks as 1mb (read buffer size) instead of max_upload_part_size. [#64117](https://github.com/ClickHouse/ClickHouse/pull/64117) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix creating backups to S3 buckets with different credentials from the disk containing the file. [#64153](https://github.com/ClickHouse/ClickHouse/pull/64153) ([Antonio Andelic](https://github.com/antonio2368)).
* Prevent LOGICAL_ERROR on CREATE TABLE as MaterializedView. [#64174](https://github.com/ClickHouse/ClickHouse/pull/64174) ([Raúl Marín](https://github.com/Algunenano)).
* The query cache now considers two identical queries against different databases as different. The previous behavior could be used to bypass missing privileges to read from a table. [#64199](https://github.com/ClickHouse/ClickHouse/pull/64199) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix possible abort on uncaught exception in ~WriteBufferFromFileDescriptor in StatusFile. [#64206](https://github.com/ClickHouse/ClickHouse/pull/64206) ([Kruglov Pavel](https://github.com/Avogar)).
* Ignore `text_log` config when using Keeper. [#64218](https://github.com/ClickHouse/ClickHouse/pull/64218) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix `duplicate alias` error for distributed queries with `ARRAY JOIN`. [#64226](https://github.com/ClickHouse/ClickHouse/pull/64226) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix unexpected accurateCast from string to integer. [#64255](https://github.com/ClickHouse/ClickHouse/pull/64255) ([wudidapaopao](https://github.com/wudidapaopao)).
* Fixed CNF simplification, in case any OR group contains mutually exclusive atoms. [#64256](https://github.com/ClickHouse/ClickHouse/pull/64256) ([Eduard Karacharov](https://github.com/korowa)).
* Fix Query Tree size validation. [#64377](https://github.com/ClickHouse/ClickHouse/pull/64377) ([Dmitry Novik](https://github.com/novikd)).
* Fix `Logical error: Bad cast` for `Buffer` table with `PREWHERE`. [#64388](https://github.com/ClickHouse/ClickHouse/pull/64388) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Prevent recursive logging in `blob_storage_log` when it's stored on object storage. [#64393](https://github.com/ClickHouse/ClickHouse/pull/64393) ([vdimir](https://github.com/vdimir)).
* Fixed `CREATE TABLE AS` queries for tables with default expressions. [#64455](https://github.com/ClickHouse/ClickHouse/pull/64455) ([Anton Popov](https://github.com/CurtizJ)).
* Fixed `optimize_read_in_order` behaviour for ORDER BY ... NULLS FIRST / LAST on tables with nullable keys. [#64483](https://github.com/ClickHouse/ClickHouse/pull/64483) ([Eduard Karacharov](https://github.com/korowa)).
* Fix the `Expression nodes list expected 1 projection names` and `Unknown expression or identifier` errors for queries with aliases to `GLOBAL IN.`. [#64517](https://github.com/ClickHouse/ClickHouse/pull/64517) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix an error `Cannot find column` in distributed queries with constant CTE in the `GROUP BY` key. [#64519](https://github.com/ClickHouse/ClickHouse/pull/64519) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fixed ORC statistics calculation, when writing, for unsigned types on all platforms and Int8 on ARM. [#64563](https://github.com/ClickHouse/ClickHouse/pull/64563) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix the crash loop when restoring from backup is blocked by creating an MV with a definer that hasn't been restored yet. [#64595](https://github.com/ClickHouse/ClickHouse/pull/64595) ([pufit](https://github.com/pufit)).
* Fix the output of function `formatDateTimeInJodaSyntax` when a formatter generates an uneven number of characters and the last character is `0`. For example, `SELECT formatDateTimeInJodaSyntax(toDate('2012-05-29'), 'D')` now correctly returns `150` instead of previously `15`. [#64614](https://github.com/ClickHouse/ClickHouse/pull/64614) ([LiuNeng](https://github.com/liuneng1994)).
* Do not rewrite aggregation if `-If` combinator is already used. [#64638](https://github.com/ClickHouse/ClickHouse/pull/64638) ([Dmitry Novik](https://github.com/novikd)).
* Fix type inference for float (in case of small buffer, i.e. `--max_read_buffer_size 1`). [#64641](https://github.com/ClickHouse/ClickHouse/pull/64641) ([Azat Khuzhin](https://github.com/azat)).
* Fix bug which could lead to non-working TTLs with expressions. [#64694](https://github.com/ClickHouse/ClickHouse/pull/64694) ([alesapin](https://github.com/alesapin)).
* Fix removing the `WHERE` and `PREWHERE` expressions, which are always true (for the new analyzer). [#64695](https://github.com/ClickHouse/ClickHouse/pull/64695) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fixed excessive part elimination by token-based text indexes (`ngrambf` , `full_text`) when filtering by result of `startsWith`, `endsWith`, `match`, `multiSearchAny`. [#64720](https://github.com/ClickHouse/ClickHouse/pull/64720) ([Eduard Karacharov](https://github.com/korowa)).
* Fixes incorrect behaviour of ANSI CSI escaping in the `UTF8::computeWidth` function. [#64756](https://github.com/ClickHouse/ClickHouse/pull/64756) ([Shaun Struwig](https://github.com/Blargian)).
* Fix a case of incorrect removal of `ORDER BY` / `LIMIT BY` across subqueries. [#64766](https://github.com/ClickHouse/ClickHouse/pull/64766) ([Raúl Marín](https://github.com/Algunenano)).
* Fix (experimental) unequal join with subqueries for sets which are in the mixed join conditions. [#64775](https://github.com/ClickHouse/ClickHouse/pull/64775) ([lgbo](https://github.com/lgbo-ustc)).
* Fix crash in a local cache over `plain_rewritable` disk. [#64778](https://github.com/ClickHouse/ClickHouse/pull/64778) ([Julia Kartseva](https://github.com/jkartseva)).
* Keeper fix: return correct value for `zk_latest_snapshot_size` in `mntr` command. [#64784](https://github.com/ClickHouse/ClickHouse/pull/64784) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix `Cannot find column` in distributed query with `ARRAY JOIN` by `Nested` column. Fixes [#64755](https://github.com/ClickHouse/ClickHouse/issues/64755). [#64801](https://github.com/ClickHouse/ClickHouse/pull/64801) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix memory leak in slru cache policy. [#64803](https://github.com/ClickHouse/ClickHouse/pull/64803) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fixed possible incorrect memory tracking in several kinds of queries: queries that read any data from S3, queries via http protocol, asynchronous inserts. [#64844](https://github.com/ClickHouse/ClickHouse/pull/64844) ([Anton Popov](https://github.com/CurtizJ)).
* Fix the `Block structure mismatch` error for queries reading with `PREWHERE` from the materialized view when the materialized view has columns of different types than the source table. Fixes [#64611](https://github.com/ClickHouse/ClickHouse/issues/64611). [#64855](https://github.com/ClickHouse/ClickHouse/pull/64855) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix rare crash when table has TTL with subquery + database replicated + parallel replicas + analyzer. It's really rare, but please don't use TTLs with subqueries. [#64858](https://github.com/ClickHouse/ClickHouse/pull/64858) ([alesapin](https://github.com/alesapin)).
* Fix duplicating `Delete` events in `blob_storage_log` in case of large batch to delete. [#64924](https://github.com/ClickHouse/ClickHouse/pull/64924) ([vdimir](https://github.com/vdimir)).
* Backported in [#65544](https://github.com/ClickHouse/ClickHouse/issues/65544): Fix crash for `ALTER TABLE ... ON CLUSTER ... MODIFY SQL SECURITY`. [#64957](https://github.com/ClickHouse/ClickHouse/pull/64957) ([pufit](https://github.com/pufit)).
* Fixed `Session moved to another server` error from [Zoo]Keeper that might happen after server startup when the config has includes from [Zoo]Keeper. [#64986](https://github.com/ClickHouse/ClickHouse/pull/64986) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#65582](https://github.com/ClickHouse/ClickHouse/issues/65582): Fix crash on destroying AccessControl: add explicit shutdown. [#64993](https://github.com/ClickHouse/ClickHouse/pull/64993) ([Vitaly Baranov](https://github.com/vitlibar)).
* Fix `ALTER MODIFY COMMENT` query that was broken for parameterized VIEWs in https://github.com/ClickHouse/ClickHouse/pull/54211. [#65031](https://github.com/ClickHouse/ClickHouse/pull/65031) ([Nikolay Degterinsky](https://github.com/evillique)).
* Fix `host_id` in DatabaseReplicated when `cluster_secure_connection` parameter is enabled. Previously all the connections within the cluster created by DatabaseReplicated were not secure, even if the parameter was enabled. [#65054](https://github.com/ClickHouse/ClickHouse/pull/65054) ([Nikolay Degterinsky](https://github.com/evillique)).
* Fixing the `Not-ready Set` error after the `PREWHERE` optimization for StorageMerge. [#65057](https://github.com/ClickHouse/ClickHouse/pull/65057) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Avoid writing to finalized buffer in File-like storages. [#65063](https://github.com/ClickHouse/ClickHouse/pull/65063) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix possible infinite query duration in case of cyclic aliases. Fixes [#64849](https://github.com/ClickHouse/ClickHouse/issues/64849). [#65081](https://github.com/ClickHouse/ClickHouse/pull/65081) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix the `Unknown expression identifier` error for remote queries with `INTERPOLATE (alias)` (new analyzer). Fixes [#64636](https://github.com/ClickHouse/ClickHouse/issues/64636). [#65090](https://github.com/ClickHouse/ClickHouse/pull/65090) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix pushing arithmetic operations out of aggregation. In the new analyzer, optimization was applied only once. [#65104](https://github.com/ClickHouse/ClickHouse/pull/65104) ([Dmitry Novik](https://github.com/novikd)).
* Fix aggregate function name rewriting in the new analyzer. [#65110](https://github.com/ClickHouse/ClickHouse/pull/65110) ([Dmitry Novik](https://github.com/novikd)).
* Respond with 5xx instead of 200 OK in case of receive timeout while reading (parts of) the request body from the client socket. [#65118](https://github.com/ClickHouse/ClickHouse/pull/65118) ([Julian Maicher](https://github.com/jmaicher)).
* Backported in [#65734](https://github.com/ClickHouse/ClickHouse/issues/65734): Eliminate injective function in argument of functions `uniq*` recursively. This used to work correctly but was broken in the new analyzer. [#65140](https://github.com/ClickHouse/ClickHouse/pull/65140) ([Duc Canh Le](https://github.com/canhld94)).
* Fix possible crash for hedged requests. [#65206](https://github.com/ClickHouse/ClickHouse/pull/65206) ([Azat Khuzhin](https://github.com/azat)).
* Fix the bug in Hashed and Hashed_Array dictionary short circuit evaluation, which may read uninitialized number, leading to various errors. [#65256](https://github.com/ClickHouse/ClickHouse/pull/65256) ([jsc0218](https://github.com/jsc0218)).
* This PR ensures that the type of the constant(IN operator's second parameter) is always visible during the IN operator's type conversion process. Otherwise, losing type information may cause some conversions to fail, such as the conversion from DateTime to Date. fix ([#64487](https://github.com/ClickHouse/ClickHouse/issues/64487)). [#65315](https://github.com/ClickHouse/ClickHouse/pull/65315) ([pn](https://github.com/chloro-pn)).
* Backported in [#65665](https://github.com/ClickHouse/ClickHouse/issues/65665): Disable `non-intersecting-parts` optimization for queries with `FINAL` in case of `read-in-order` optimization was enabled. This could lead to an incorrect query result. As a workaround, disable `do_not_merge_across_partitions_select_final` and `split_parts_ranges_into_intersecting_and_non_intersecting_final` before this fix is merged. [#65505](https://github.com/ClickHouse/ClickHouse/pull/65505) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#65606](https://github.com/ClickHouse/ClickHouse/issues/65606): Fix getting exception `Index out of bound for blob metadata` in case all files from list batch were filtered out. [#65523](https://github.com/ClickHouse/ClickHouse/pull/65523) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Backported in [#65790](https://github.com/ClickHouse/ClickHouse/issues/65790): Fixed bug in MergeJoin. Column in sparse serialisation might be treated as a column of its nested type though the required conversion wasn't performed. [#65632](https://github.com/ClickHouse/ClickHouse/pull/65632) ([Nikita Taranov](https://github.com/nickitat)).
* Backported in [#65814](https://github.com/ClickHouse/ClickHouse/issues/65814): Fix invalid exceptions in function `parseDateTime` with `%F` and `%D` placeholders. [#65768](https://github.com/ClickHouse/ClickHouse/pull/65768) ([Antonio Andelic](https://github.com/antonio2368)).
* Backported in [#65830](https://github.com/ClickHouse/ClickHouse/issues/65830): Fix a bug in short circuit logic when old analyzer and dictGetOrDefault is used. [#65802](https://github.com/ClickHouse/ClickHouse/pull/65802) ([jsc0218](https://github.com/jsc0218)).
#### Build/Testing/Packaging Improvement
* ClickHouse is built with clang-18. A lot of new checks from clang-tidy-18 have been enabled. [#60469](https://github.com/ClickHouse/ClickHouse/pull/60469) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Make `network` service be required when using the rc init script to start the ClickHouse server daemon. [#60650](https://github.com/ClickHouse/ClickHouse/pull/60650) ([Chun-Sheng, Li](https://github.com/peter279k)).
* Re-enable broken s390x build in CI. [#63135](https://github.com/ClickHouse/ClickHouse/pull/63135) ([Harry Lee](https://github.com/HarryLeeIBM)).
* The Dockerfile is reviewed by the docker official library in https://github.com/docker-library/official-images/pull/15846. [#63400](https://github.com/ClickHouse/ClickHouse/pull/63400) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Information about every symbol in every translation unit will be collected in the CI database for every build in the CI. This closes [#63494](https://github.com/ClickHouse/ClickHouse/issues/63494). [#63495](https://github.com/ClickHouse/ClickHouse/pull/63495) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Experimentally support loongarch64 as a new platform for ClickHouse. [#63733](https://github.com/ClickHouse/ClickHouse/pull/63733) ([qiangxuhui](https://github.com/qiangxuhui)).
* Update Apache Datasketches library. It resolves [#63858](https://github.com/ClickHouse/ClickHouse/issues/63858). [#63923](https://github.com/ClickHouse/ClickHouse/pull/63923) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Enable GRPC support for aarch64 linux while cross-compiling binary. [#64072](https://github.com/ClickHouse/ClickHouse/pull/64072) ([alesapin](https://github.com/alesapin)).
* Fix typo in test_hdfsCluster_unset_skip_unavailable_shards. The test writes data to unskip_unavailable_shards, but uses skip_unavailable_shards from the previous test. [#64243](https://github.com/ClickHouse/ClickHouse/pull/64243) ([Mikhail Artemenko](https://github.com/Michicosun)).
* Reduce the size of some slow tests. [#64387](https://github.com/ClickHouse/ClickHouse/pull/64387) ([Raúl Marín](https://github.com/Algunenano)).
* Reduce the size of some slow tests. [#64452](https://github.com/ClickHouse/ClickHouse/pull/64452) ([Raúl Marín](https://github.com/Algunenano)).
* Fix test_lost_part_other_replica. [#64512](https://github.com/ClickHouse/ClickHouse/pull/64512) ([Raúl Marín](https://github.com/Algunenano)).
* Add tests for experimental unequal joins and randomize new settings in clickhouse-test. [#64535](https://github.com/ClickHouse/ClickHouse/pull/64535) ([Nikita Fomichev](https://github.com/fm4v)).
* Upgrade tests: Update config and work with release candidates. [#64542](https://github.com/ClickHouse/ClickHouse/pull/64542) ([Raúl Marín](https://github.com/Algunenano)).
* Add support for LLVM XRay. [#64592](https://github.com/ClickHouse/ClickHouse/pull/64592) ([Tomer Shafir](https://github.com/tomershafir)).
* Speed up 02995_forget_partition. [#64761](https://github.com/ClickHouse/ClickHouse/pull/64761) ([Raúl Marín](https://github.com/Algunenano)).
* Fix 02790_async_queries_in_query_log. [#64764](https://github.com/ClickHouse/ClickHouse/pull/64764) ([Raúl Marín](https://github.com/Algunenano)).
* Support LLVM XRay on Linux amd64 only. [#64837](https://github.com/ClickHouse/ClickHouse/pull/64837) ([Tomer Shafir](https://github.com/tomershafir)).
* Get rid of custom code in `tests/ci/download_release_packages.py` and `tests/ci/get_previous_release_tag.py` to avoid issues after the https://github.com/ClickHouse/ClickHouse/pull/64759 is merged. [#64848](https://github.com/ClickHouse/ClickHouse/pull/64848) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Decrease the `unit-test` image a few times. [#65102](https://github.com/ClickHouse/ClickHouse/pull/65102) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
#### NO CL CATEGORY
* Backported in [#65568](https://github.com/ClickHouse/ClickHouse/issues/65568):. [#65498](https://github.com/ClickHouse/ClickHouse/pull/65498) ([Sergei Trifonov](https://github.com/serxa)).
* Backported in [#65693](https://github.com/ClickHouse/ClickHouse/issues/65693):. [#65686](https://github.com/ClickHouse/ClickHouse/pull/65686) ([Raúl Marín](https://github.com/Algunenano)).
#### NO CL ENTRY
* NO CL ENTRY: 'Revert "Do not remove server constants from GROUP BY key for secondary query."'. [#63297](https://github.com/ClickHouse/ClickHouse/pull/63297) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* NO CL ENTRY: 'Revert "Introduce bulk loading to StorageEmbeddedRocksDB"'. [#63316](https://github.com/ClickHouse/ClickHouse/pull/63316) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* NO CL ENTRY: 'Revert "Revert "Do not remove server constants from GROUP BY key for secondary query.""'. [#63415](https://github.com/ClickHouse/ClickHouse/pull/63415) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* NO CL ENTRY: 'Revert "Fix index analysis for `DateTime64`"'. [#63525](https://github.com/ClickHouse/ClickHouse/pull/63525) ([Raúl Marín](https://github.com/Algunenano)).
* NO CL ENTRY: 'Revert "Update gui.md - Add ch-ui to open-source available tools."'. [#64064](https://github.com/ClickHouse/ClickHouse/pull/64064) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* NO CL ENTRY: 'Revert "Prevent conversion to Replicated if zookeeper path already exists"'. [#64214](https://github.com/ClickHouse/ClickHouse/pull/64214) ([Sergei Trifonov](https://github.com/serxa)).
* NO CL ENTRY: 'Revert "Refactoring of Server.h: Isolate server management from other logic"'. [#64425](https://github.com/ClickHouse/ClickHouse/pull/64425) ([Alexander Tokmakov](https://github.com/tavplubix)).
* NO CL ENTRY: 'Revert "Remove some unnecessary `UNREACHABLE`s"'. [#64430](https://github.com/ClickHouse/ClickHouse/pull/64430) ([Alexander Tokmakov](https://github.com/tavplubix)).
* NO CL ENTRY: 'Revert "CI: fix build_report selection in case of job reuse"'. [#64516](https://github.com/ClickHouse/ClickHouse/pull/64516) ([Max K.](https://github.com/maxknv)).
* NO CL ENTRY: 'Revert "Revert "CI: fix build_report selection in case of job reuse""'. [#64531](https://github.com/ClickHouse/ClickHouse/pull/64531) ([Max K.](https://github.com/maxknv)).
* NO CL ENTRY: 'Revert "Add `fromReadableSize` function"'. [#64616](https://github.com/ClickHouse/ClickHouse/pull/64616) ([Robert Schulze](https://github.com/rschu1ze)).
* NO CL ENTRY: 'Update CHANGELOG.md'. [#64816](https://github.com/ClickHouse/ClickHouse/pull/64816) ([Paweł Kudzia](https://github.com/pakud)).
* NO CL ENTRY: 'Revert "Reduce lock contention for MergeTree tables (by renaming parts without holding lock)"'. [#64899](https://github.com/ClickHouse/ClickHouse/pull/64899) ([alesapin](https://github.com/alesapin)).
* NO CL ENTRY: 'Revert "Add dynamic untracked memory limits for more precise memory tracking"'. [#64969](https://github.com/ClickHouse/ClickHouse/pull/64969) ([Sergei Trifonov](https://github.com/serxa)).
* NO CL ENTRY: 'Revert "Fix duplicating Delete events in blob_storage_log"'. [#65049](https://github.com/ClickHouse/ClickHouse/pull/65049) ([Alexander Tokmakov](https://github.com/tavplubix)).
* NO CL ENTRY: 'Revert "Revert "Fix duplicating Delete events in blob_storage_log""'. [#65053](https://github.com/ClickHouse/ClickHouse/pull/65053) ([vdimir](https://github.com/vdimir)).
* NO CL ENTRY: 'Revert "S3: reduce retires time for queries, increase retries count for backups"'. [#65148](https://github.com/ClickHouse/ClickHouse/pull/65148) ([Raúl Marín](https://github.com/Algunenano)).
* NO CL ENTRY: 'Revert "Small fix for 02340_parts_refcnt_mergetree"'. [#65149](https://github.com/ClickHouse/ClickHouse/pull/65149) ([Raúl Marín](https://github.com/Algunenano)).
* NO CL ENTRY: 'Revert "Change default s3_throw_on_zero_files_match to true, document that presigned S3 URLs are not supported"'. [#65250](https://github.com/ClickHouse/ClickHouse/pull/65250) ([Max K.](https://github.com/maxknv)).
* NO CL ENTRY: 'Revert "Fix AWS ECS"'. [#65361](https://github.com/ClickHouse/ClickHouse/pull/65361) ([Alexander Tokmakov](https://github.com/tavplubix)).
#### NOT FOR CHANGELOG / INSIGNIFICANT
* Try abort on current thread join. [#42544](https://github.com/ClickHouse/ClickHouse/pull/42544) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* This change was reverted. [#51008](https://github.com/ClickHouse/ClickHouse/pull/51008) ([Michael Kolupaev](https://github.com/al13n321)).
* Analyzer fuzzer 2. [#57098](https://github.com/ClickHouse/ClickHouse/pull/57098) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Analyzer fuzzer 4. [#57101](https://github.com/ClickHouse/ClickHouse/pull/57101) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Check python code with flake8. [#58349](https://github.com/ClickHouse/ClickHouse/pull/58349) ([Azat Khuzhin](https://github.com/azat)).
* Unite s3/hdfs/azure storage implementations into a single class working with IObjectStorage. Same for *Cluster, data lakes and Queue storages. [#59767](https://github.com/ClickHouse/ClickHouse/pull/59767) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Remove http_max_chunk_size setting (too internal). [#60852](https://github.com/ClickHouse/ClickHouse/pull/60852) ([Azat Khuzhin](https://github.com/azat)).
* Fix race in refreshable materialized views causing SELECT to fail sometimes. [#60883](https://github.com/ClickHouse/ClickHouse/pull/60883) ([Michael Kolupaev](https://github.com/al13n321)).
* Refactor KeyCondition and key analysis to improve PartitionPruner and trivial count optimization. This is separated from [#60463](https://github.com/ClickHouse/ClickHouse/issues/60463) . [#61459](https://github.com/ClickHouse/ClickHouse/pull/61459) ([Amos Bird](https://github.com/amosbird)).
* Implement cumulative A Sync status. [#61464](https://github.com/ClickHouse/ClickHouse/pull/61464) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Parallel replicas: table check failover. [#61935](https://github.com/ClickHouse/ClickHouse/pull/61935) ([Igor Nikonov](https://github.com/devcrafter)).
* This change was reverted. [#61973](https://github.com/ClickHouse/ClickHouse/pull/61973) ([Azat Khuzhin](https://github.com/azat)).
* Avoid crashing on column type mismatch in a few dozen places. [#62087](https://github.com/ClickHouse/ClickHouse/pull/62087) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix optimize_if_chain_to_multiif const NULL handling. [#62104](https://github.com/ClickHouse/ClickHouse/pull/62104) ([Michael Kolupaev](https://github.com/al13n321)).
* Use intrusive lists for `ResourceRequest` instead of deque. [#62165](https://github.com/ClickHouse/ClickHouse/pull/62165) ([Sergei Trifonov](https://github.com/serxa)).
* Analyzer: Fix validateAggregates for tables with different aliases. [#62346](https://github.com/ClickHouse/ClickHouse/pull/62346) ([vdimir](https://github.com/vdimir)).
* Improve code and tests of `DROP` of multiple tables. [#62359](https://github.com/ClickHouse/ClickHouse/pull/62359) ([zhongyuankai](https://github.com/zhongyuankai)).
* Fix exception message during writing to partitioned s3/hdfs/azure path with globs. [#62423](https://github.com/ClickHouse/ClickHouse/pull/62423) ([Kruglov Pavel](https://github.com/Avogar)).
* Support UBSan on Clang-19 (master). [#62466](https://github.com/ClickHouse/ClickHouse/pull/62466) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Replay ZK logs using keeper-bench. [#62481](https://github.com/ClickHouse/ClickHouse/pull/62481) ([Antonio Andelic](https://github.com/antonio2368)).
* Save the stacktrace of thread waiting on failing AsyncLoader job. [#62719](https://github.com/ClickHouse/ClickHouse/pull/62719) ([Sergei Trifonov](https://github.com/serxa)).
* group_by_use_nulls strikes back. [#62922](https://github.com/ClickHouse/ClickHouse/pull/62922) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Analyzer: prefer column name to alias from array join. [#62995](https://github.com/ClickHouse/ClickHouse/pull/62995) ([vdimir](https://github.com/vdimir)).
* CI: try separate the workflows file for GitHub's Merge Queue. [#63123](https://github.com/ClickHouse/ClickHouse/pull/63123) ([Max K.](https://github.com/maxknv)).
* Try to fix coverage tests. [#63130](https://github.com/ClickHouse/ClickHouse/pull/63130) ([Raúl Marín](https://github.com/Algunenano)).
* Fix azure backup flaky test. [#63158](https://github.com/ClickHouse/ClickHouse/pull/63158) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Merging [#60920](https://github.com/ClickHouse/ClickHouse/issues/60920). [#63159](https://github.com/ClickHouse/ClickHouse/pull/63159) ([vdimir](https://github.com/vdimir)).
* QueryAnalysisPass improve QUALIFY validation. [#63162](https://github.com/ClickHouse/ClickHouse/pull/63162) ([Maksim Kita](https://github.com/kitaisreal)).
* Add numpy tests for different endianness. [#63189](https://github.com/ClickHouse/ClickHouse/pull/63189) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Clean the `_work` directory between runner's launches. Fallback to auto-update actions runner if it fails to start. Make the `init-network.sh` sourceable and executable. [#63195](https://github.com/ClickHouse/ClickHouse/pull/63195) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Add ability to run Azure tests in PR with label. [#63196](https://github.com/ClickHouse/ClickHouse/pull/63196) ([alesapin](https://github.com/alesapin)).
* Fix possible endless loop while reading from azure. [#63197](https://github.com/ClickHouse/ClickHouse/pull/63197) ([Anton Popov](https://github.com/CurtizJ)).
* Add information about materialized view security bug fix into the changelog. [#63204](https://github.com/ClickHouse/ClickHouse/pull/63204) ([pufit](https://github.com/pufit)).
* Disable one test from 02994_sanity_check_settings. [#63208](https://github.com/ClickHouse/ClickHouse/pull/63208) ([Raúl Marín](https://github.com/Algunenano)).
* Enable custom parquet encoder by default, attempt 2. [#63210](https://github.com/ClickHouse/ClickHouse/pull/63210) ([Michael Kolupaev](https://github.com/al13n321)).
* Update version after release. [#63215](https://github.com/ClickHouse/ClickHouse/pull/63215) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Update version_date.tsv and changelogs after v24.4.1.2088-stable. [#63217](https://github.com/ClickHouse/ClickHouse/pull/63217) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Update version_date.tsv and changelogs after v24.3.3.102-lts. [#63226](https://github.com/ClickHouse/ClickHouse/pull/63226) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Update version_date.tsv and changelogs after v24.2.3.70-stable. [#63227](https://github.com/ClickHouse/ClickHouse/pull/63227) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Return back [#61551](https://github.com/ClickHouse/ClickHouse/issues/61551) (More optimal loading of marks). [#63233](https://github.com/ClickHouse/ClickHouse/pull/63233) ([Anton Popov](https://github.com/CurtizJ)).
* Hide CI options under a spoiler. [#63237](https://github.com/ClickHouse/ClickHouse/pull/63237) ([Konstantin Bogdanov](https://github.com/thevar1able)).
* Add azure run with msan. [#63238](https://github.com/ClickHouse/ClickHouse/pull/63238) ([alesapin](https://github.com/alesapin)).
* Now syntax for this command is following: `TRUNCATE ALL TABLES FROM [IF EXISTS] <database_name>`. [#63241](https://github.com/ClickHouse/ClickHouse/pull/63241) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Minor follow-up to a renaming PR. [#63260](https://github.com/ClickHouse/ClickHouse/pull/63260) ([Robert Schulze](https://github.com/rschu1ze)).
* Followup for [#62613](https://github.com/ClickHouse/ClickHouse/issues/62613) Adding back checks similar to these: https://github.com/ClickHouse/ClickHouse/pull/62613/files#diff-70859078da57ecdfc66d26f732c0d7718d269e82bdc80e62b39f5ffeab36c05bL99 https://github.com/ClickHouse/ClickHouse/pull/62613/files#diff-70859078da57ecdfc66d26f732c0d7718d269e82bdc80e62b39f5ffeab36c05bL144-L149. [#63274](https://github.com/ClickHouse/ClickHouse/pull/63274) ([Alexander Gololobov](https://github.com/davenger)).
* This setting was added in 24.5, not 24.4. [#63278](https://github.com/ClickHouse/ClickHouse/pull/63278) ([Raúl Marín](https://github.com/Algunenano)).
* Improve cloud backport script. [#63282](https://github.com/ClickHouse/ClickHouse/pull/63282) ([Raúl Marín](https://github.com/Algunenano)).
* Update version_date.tsv and changelogs after v23.8.14.6-lts. [#63285](https://github.com/ClickHouse/ClickHouse/pull/63285) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Fix azure flaky test. [#63286](https://github.com/ClickHouse/ClickHouse/pull/63286) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Fix deadlock in `CacheDictionaryUpdateQueue` in case of exception in constructor. [#63287](https://github.com/ClickHouse/ClickHouse/pull/63287) ([Nikita Taranov](https://github.com/nickitat)).
* DiskApp: fix 'list --recursive /' and crash on invalid arguments. [#63296](https://github.com/ClickHouse/ClickHouse/pull/63296) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix terminate because of unhandled exception in `MergeTreeDeduplicationLog::shutdown`. [#63298](https://github.com/ClickHouse/ClickHouse/pull/63298) ([Nikita Taranov](https://github.com/nickitat)).
* Move s3_plain_rewritable unit test to shell. [#63317](https://github.com/ClickHouse/ClickHouse/pull/63317) ([Julia Kartseva](https://github.com/jkartseva)).
* Add tests for [#63264](https://github.com/ClickHouse/ClickHouse/issues/63264). [#63321](https://github.com/ClickHouse/ClickHouse/pull/63321) ([Raúl Marín](https://github.com/Algunenano)).
* Try fix segfault in `MergeTreeReadPoolBase::createTask`. [#63323](https://github.com/ClickHouse/ClickHouse/pull/63323) ([Antonio Andelic](https://github.com/antonio2368)).
* Reduce time-to-insert profiling data in case of logs cluster issues. [#63325](https://github.com/ClickHouse/ClickHouse/pull/63325) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Update README.md. [#63326](https://github.com/ClickHouse/ClickHouse/pull/63326) ([Tyler Hannan](https://github.com/tylerhannan)).
* This should fix failures with error like `Permission denied ["/var/lib/clickhouse/disks/s3/store/364/3643ff83-0996-4a4a-a90b-a96e66a10c74"]` when table dir was chmod-ed by DatabaseCatalog. [#63330](https://github.com/ClickHouse/ClickHouse/pull/63330) ([Alexander Gololobov](https://github.com/davenger)).
* Use `/commit/` to have the URLs in [reports](https://play.clickhouse.com/play?user=play#c2VsZWN0IGRpc3RpbmN0IGNvbW1pdF91cmwgZnJvbSBjaGVja3Mgd2hlcmUgY2hlY2tfc3RhcnRfdGltZSA+PSBub3coKSAtIGludGVydmFsIDEgbW9udGggYW5kIHB1bGxfcmVxdWVzdF9udW1iZXI9NjA1MzI=) like https://github.com/ClickHouse/ClickHouse/commit/44f8bc5308b53797bec8cccc3bd29fab8a00235d and not like https://github.com/ClickHouse/ClickHouse/commits/44f8bc5308b53797bec8cccc3bd29fab8a00235d. [#63331](https://github.com/ClickHouse/ClickHouse/pull/63331) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Add test for [#56287](https://github.com/ClickHouse/ClickHouse/issues/56287). [#63340](https://github.com/ClickHouse/ClickHouse/pull/63340) ([Raúl Marín](https://github.com/Algunenano)).
* Update README.md. [#63350](https://github.com/ClickHouse/ClickHouse/pull/63350) ([Tyler Hannan](https://github.com/tylerhannan)).
* Add test for [#48049](https://github.com/ClickHouse/ClickHouse/issues/48049). [#63351](https://github.com/ClickHouse/ClickHouse/pull/63351) ([Raúl Marín](https://github.com/Algunenano)).
* Add option `query_id_prefix` to `clickhouse-benchmark`. [#63352](https://github.com/ClickHouse/ClickHouse/pull/63352) ([Anton Popov](https://github.com/CurtizJ)).
* New version is fantatish (at least with Ubuntu 22.04.4 LTS): ``` azurite --version /usr/local/lib/node_modules/azurite/dist/src/common/persistence/MemoryExtentStore.js:53 return this._chunks.get(categoryName)?.chunks.get(id); ^. [#63354](https://github.com/ClickHouse/ClickHouse/pull/63354) ([alesapin](https://github.com/alesapin)).
* Randomize setting `enable_block_offset_column` in stress tests. [#63355](https://github.com/ClickHouse/ClickHouse/pull/63355) ([Anton Popov](https://github.com/CurtizJ)).
* Fix AST parsing of invalid type names. [#63357](https://github.com/ClickHouse/ClickHouse/pull/63357) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix some 00002_log_and_exception_messages_formatting flakiness. [#63358](https://github.com/ClickHouse/ClickHouse/pull/63358) ([Michael Kolupaev](https://github.com/al13n321)).
* Add tags for the test 03000_traverse_shadow_system_data_paths.sql to make it stable. [#63366](https://github.com/ClickHouse/ClickHouse/pull/63366) ([Aleksei Filatov](https://github.com/aalexfvk)).
* Add a test for [#55655](https://github.com/ClickHouse/ClickHouse/issues/55655). [#63380](https://github.com/ClickHouse/ClickHouse/pull/63380) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix data race in `reportBrokenPart`. [#63396](https://github.com/ClickHouse/ClickHouse/pull/63396) ([Antonio Andelic](https://github.com/antonio2368)).
* Workaround for `oklch()` inside canvas bug for firefox. [#63404](https://github.com/ClickHouse/ClickHouse/pull/63404) ([Sergei Trifonov](https://github.com/serxa)).
* Add test for issue [#47862](https://github.com/ClickHouse/ClickHouse/issues/47862). [#63424](https://github.com/ClickHouse/ClickHouse/pull/63424) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix parsing of `CREATE INDEX` query. [#63425](https://github.com/ClickHouse/ClickHouse/pull/63425) ([Anton Popov](https://github.com/CurtizJ)).
* We are using Shared Catalog in the CI Logs cluster. [#63442](https://github.com/ClickHouse/ClickHouse/pull/63442) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix collection of coverage data in the CI Logs cluster. [#63453](https://github.com/ClickHouse/ClickHouse/pull/63453) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix flaky test for rocksdb bulk sink. [#63457](https://github.com/ClickHouse/ClickHouse/pull/63457) ([Duc Canh Le](https://github.com/canhld94)).
* Extra constraints for stress and fuzzer tests. [#63470](https://github.com/ClickHouse/ClickHouse/pull/63470) ([Raúl Marín](https://github.com/Algunenano)).
* io_uring: refactor get reader from context. [#63475](https://github.com/ClickHouse/ClickHouse/pull/63475) ([Tomer Shafir](https://github.com/tomershafir)).
* Analyzer setting max_streams_to_max_threads_ratio overflow fix. [#63478](https://github.com/ClickHouse/ClickHouse/pull/63478) ([Maksim Kita](https://github.com/kitaisreal)).
* Provides setting `output_format_pretty_preserve_border_for_multiline_string` which allows to render multiline strings in pretty format better. The default value for this setting is true. [#63479](https://github.com/ClickHouse/ClickHouse/pull/63479) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Fix logical error when reloading config with customly created web disk broken after [#56367](https://github.com/ClickHouse/ClickHouse/issues/56367). [#63484](https://github.com/ClickHouse/ClickHouse/pull/63484) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Add test for [#49307](https://github.com/ClickHouse/ClickHouse/issues/49307). [#63486](https://github.com/ClickHouse/ClickHouse/pull/63486) ([Anton Popov](https://github.com/CurtizJ)).
* Remove leftovers of GCC support in cmake rules. [#63488](https://github.com/ClickHouse/ClickHouse/pull/63488) ([Azat Khuzhin](https://github.com/azat)).
* Fix ProfileEventTimeIncrement code. [#63489](https://github.com/ClickHouse/ClickHouse/pull/63489) ([Azat Khuzhin](https://github.com/azat)).
* MergeTreePrefetchedReadPool: Print parent name when logging projection parts. [#63522](https://github.com/ClickHouse/ClickHouse/pull/63522) ([Raúl Marín](https://github.com/Algunenano)).
* Correctly stop `asyncCopy` tasks in all cases. [#63523](https://github.com/ClickHouse/ClickHouse/pull/63523) ([Antonio Andelic](https://github.com/antonio2368)).
* Almost everything should work on AArch64 (Part of [#58061](https://github.com/ClickHouse/ClickHouse/issues/58061)). [#63527](https://github.com/ClickHouse/ClickHouse/pull/63527) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Update randomization of `old_parts_lifetime`. [#63530](https://github.com/ClickHouse/ClickHouse/pull/63530) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Update 02240_system_filesystem_cache_table.sh. [#63531](https://github.com/ClickHouse/ClickHouse/pull/63531) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix data race in `DistributedSink`. [#63538](https://github.com/ClickHouse/ClickHouse/pull/63538) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix azure tests run on master. [#63540](https://github.com/ClickHouse/ClickHouse/pull/63540) ([alesapin](https://github.com/alesapin)).
* The commit 2b8254f987a65d5c21d74fe67b4ee9757970466e was not synced into the cloud because it was falsely marked as a success by `upstream_pr.head.sha`. Here we'll try our best to find a proper commit, and won't make anything if we can't. [#63543](https://github.com/ClickHouse/ClickHouse/pull/63543) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Add `no-s3-storage` tag to local_plain_rewritable ut. [#63546](https://github.com/ClickHouse/ClickHouse/pull/63546) ([Julia Kartseva](https://github.com/jkartseva)).
* Add `jwcrypto` to integration tests runner. [#63551](https://github.com/ClickHouse/ClickHouse/pull/63551) ([Konstantin Bogdanov](https://github.com/thevar1able)).
* Go back to upstream lz4. [#63574](https://github.com/ClickHouse/ClickHouse/pull/63574) ([Raúl Marín](https://github.com/Algunenano)).
* Fix logical error in ColumnTuple::tryInsert(). [#63583](https://github.com/ClickHouse/ClickHouse/pull/63583) ([Michael Kolupaev](https://github.com/al13n321)).
* harmonize sumMap error messages on ILLEGAL_TYPE_OF_ARGUMENT. [#63619](https://github.com/ClickHouse/ClickHouse/pull/63619) ([Yohann Jardin](https://github.com/yohannj)).
* Refactor data part writer to remove dependencies on MergeTreeData and DataPart. [#63620](https://github.com/ClickHouse/ClickHouse/pull/63620) ([Alexander Gololobov](https://github.com/davenger)).
* Update README.md. [#63631](https://github.com/ClickHouse/ClickHouse/pull/63631) ([Tyler Hannan](https://github.com/tylerhannan)).
* Ignore global profiler if system.trace_log is not enabled and fix really disable it for keeper standalone build. [#63632](https://github.com/ClickHouse/ClickHouse/pull/63632) ([Azat Khuzhin](https://github.com/azat)).
* Fixes for 00002_log_and_exception_messages_formatting. [#63634](https://github.com/ClickHouse/ClickHouse/pull/63634) ([Azat Khuzhin](https://github.com/azat)).
* Fix 02362_part_log_merge_algorithm flaky test. [#63635](https://github.com/ClickHouse/ClickHouse/pull/63635) ([Miсhael Stetsyuk](https://github.com/mstetsyuk)).
* Fix tests flakiness due to long SYSTEM FLUSH LOGS (explicitly specify old_parts_lifetime). [#63639](https://github.com/ClickHouse/ClickHouse/pull/63639) ([Azat Khuzhin](https://github.com/azat)).
* Update clickhouse-test help section. [#63663](https://github.com/ClickHouse/ClickHouse/pull/63663) ([Ali](https://github.com/xogoodnow)).
* Fix bad test `02950_part_log_bytes_uncompressed`. [#63672](https://github.com/ClickHouse/ClickHouse/pull/63672) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Remove leftovers of `optimize_monotonous_functions_in_order_by`. [#63674](https://github.com/ClickHouse/ClickHouse/pull/63674) ([Nikita Taranov](https://github.com/nickitat)).
* tests: attempt to fix 02340_parts_refcnt_mergetree flakiness. [#63684](https://github.com/ClickHouse/ClickHouse/pull/63684) ([Azat Khuzhin](https://github.com/azat)).
* Parallel replicas: simple cleanup. [#63685](https://github.com/ClickHouse/ClickHouse/pull/63685) ([Igor Nikonov](https://github.com/devcrafter)).
* Cancel S3 reads properly when parallel reads are used. [#63687](https://github.com/ClickHouse/ClickHouse/pull/63687) ([Antonio Andelic](https://github.com/antonio2368)).
* Explaining insertion order of the Map datatype. [#63690](https://github.com/ClickHouse/ClickHouse/pull/63690) ([Mark Needham](https://github.com/mneedham)).
* selectRangesToRead() simple cleanup. [#63692](https://github.com/ClickHouse/ClickHouse/pull/63692) ([Igor Nikonov](https://github.com/devcrafter)).
* Fix fuzzed analyzer_join_with_constant query. [#63702](https://github.com/ClickHouse/ClickHouse/pull/63702) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Add missing explicit instantiations of ColumnUnique. [#63718](https://github.com/ClickHouse/ClickHouse/pull/63718) ([Raúl Marín](https://github.com/Algunenano)).
* Better asserts in ColumnString.h. [#63719](https://github.com/ClickHouse/ClickHouse/pull/63719) ([Raúl Marín](https://github.com/Algunenano)).
* Try to fix flaky s3 tests test_seekable_formats and test_seekable_formats_url. [#63720](https://github.com/ClickHouse/ClickHouse/pull/63720) ([Kruglov Pavel](https://github.com/Avogar)).
* Don't randomize some settings in 02941_variant_type_* tests to avoid timeouts. [#63721](https://github.com/ClickHouse/ClickHouse/pull/63721) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix flaky 03145_non_loaded_projection_backup.sh. [#63728](https://github.com/ClickHouse/ClickHouse/pull/63728) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Userspace page cache: don't collect stats if cache is unused. [#63730](https://github.com/ClickHouse/ClickHouse/pull/63730) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix insignificant UBSAN error in QueryAnalyzer::replaceNodesWithPositionalArguments(). [#63734](https://github.com/ClickHouse/ClickHouse/pull/63734) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix a bug in resolving matcher inside lambda inside ARRAY JOIN. [#63744](https://github.com/ClickHouse/ClickHouse/pull/63744) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Self explanatory. [#63754](https://github.com/ClickHouse/ClickHouse/pull/63754) ([Arthur Passos](https://github.com/arthurpassos)).
* Do not hide disk name. [#63756](https://github.com/ClickHouse/ClickHouse/pull/63756) ([Kseniia Sumarokova](https://github.com/kssenii)).
* CI: remove Cancel and Debug workflows as redundant. [#63757](https://github.com/ClickHouse/ClickHouse/pull/63757) ([Max K.](https://github.com/maxknv)).
* Security Policy: Add notification process. [#63773](https://github.com/ClickHouse/ClickHouse/pull/63773) ([Leticia Webb](https://github.com/leticiawebb)).
* Fix typo. [#63774](https://github.com/ClickHouse/ClickHouse/pull/63774) ([Anton Popov](https://github.com/CurtizJ)).
* Fix fuzzer when only explicit faults are used. [#63775](https://github.com/ClickHouse/ClickHouse/pull/63775) ([Raúl Marín](https://github.com/Algunenano)).
* Settings typo. [#63782](https://github.com/ClickHouse/ClickHouse/pull/63782) ([Rory Crispin](https://github.com/RoryCrispin)).
* Ref. [#63479](https://github.com/ClickHouse/ClickHouse/issues/63479). [#63783](https://github.com/ClickHouse/ClickHouse/pull/63783) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Fix test_odbc_interaction from aarch64 [#61457](https://github.com/ClickHouse/ClickHouse/issues/61457). [#63787](https://github.com/ClickHouse/ClickHouse/pull/63787) ([alesapin](https://github.com/alesapin)).
* Fix test `test_catboost_evaluate` for aarch64. [#61457](https://github.com/ClickHouse/ClickHouse/issues/61457). [#63789](https://github.com/ClickHouse/ClickHouse/pull/63789) ([alesapin](https://github.com/alesapin)).
* Rewrite plan for parallel replicas in Planner. [#63796](https://github.com/ClickHouse/ClickHouse/pull/63796) ([Igor Nikonov](https://github.com/devcrafter)).
* Follow-up for the `binary_symbols` table in CI. [#63802](https://github.com/ClickHouse/ClickHouse/pull/63802) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Support INSERT with VALUES in the ANTLR syntax file. [#63811](https://github.com/ClickHouse/ClickHouse/pull/63811) ([GG Bond](https://github.com/zzyReal666)).
* Fix race in `ReplicatedMergeTreeLogEntryData`. [#63816](https://github.com/ClickHouse/ClickHouse/pull/63816) ([Antonio Andelic](https://github.com/antonio2368)).
* Allow allocation during job destructor in `ThreadPool`. [#63829](https://github.com/ClickHouse/ClickHouse/pull/63829) ([Antonio Andelic](https://github.com/antonio2368)).
* Remove HDFS from disks config for one integration test for arm. [#61457](https://github.com/ClickHouse/ClickHouse/issues/61457). [#63832](https://github.com/ClickHouse/ClickHouse/pull/63832) ([alesapin](https://github.com/alesapin)).
* io_uring: add basic io_uring clickhouse perf test. [#63835](https://github.com/ClickHouse/ClickHouse/pull/63835) ([Tomer Shafir](https://github.com/tomershafir)).
* Bump version for old image in test_short_strings_aggregation to make it work on arm. [#61457](https://github.com/ClickHouse/ClickHouse/issues/61457). [#63836](https://github.com/ClickHouse/ClickHouse/pull/63836) ([alesapin](https://github.com/alesapin)).
* fix typo. [#63838](https://github.com/ClickHouse/ClickHouse/pull/63838) ([Alexander Gololobov](https://github.com/davenger)).
* Disable test `test_non_default_compression/test.py::test_preconfigured_deflateqpl_codec` on arm. [#61457](https://github.com/ClickHouse/ClickHouse/issues/61457). [#63839](https://github.com/ClickHouse/ClickHouse/pull/63839) ([alesapin](https://github.com/alesapin)).
* This PR was reverted. [#63857](https://github.com/ClickHouse/ClickHouse/pull/63857) ([Sema Checherinda](https://github.com/CheSema)).
* Remove unnecessary logging statements in MergeJoinTransform.cpp. [#63860](https://github.com/ClickHouse/ClickHouse/pull/63860) ([vdimir](https://github.com/vdimir)).
* Temporary disables 3 integration tcs on arm until https://github.com/clickhouse/clickhouse/issues/63855 is resolved. [#63867](https://github.com/ClickHouse/ClickHouse/pull/63867) ([Max K.](https://github.com/maxknv)).
* Fix some settings values in 02455_one_row_from_csv_memory_usage test to make it less flaky. [#63874](https://github.com/ClickHouse/ClickHouse/pull/63874) ([Kruglov Pavel](https://github.com/Avogar)).
* Randomise `allow_experimental_parallel_reading_from_replicas` in stress tests. [#63899](https://github.com/ClickHouse/ClickHouse/pull/63899) ([Nikita Taranov](https://github.com/nickitat)).
* Fix logs test for binary data by converting it to a valid UTF8 string. [#63909](https://github.com/ClickHouse/ClickHouse/pull/63909) ([Alexey Katsman](https://github.com/alexkats)).
* More sanity checks for parallel replicas. [#63910](https://github.com/ClickHouse/ClickHouse/pull/63910) ([Nikita Taranov](https://github.com/nickitat)).
* Include checks like `Stateless tests (asan, distributed cache, meta storage in keeper, s3 storage) [2/3]` in `Mergeable Check` and `A Sync`. [#63945](https://github.com/ClickHouse/ClickHouse/pull/63945) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Insignificant libunwind build fixes. [#63946](https://github.com/ClickHouse/ClickHouse/pull/63946) ([Azat Khuzhin](https://github.com/azat)).
* Revert multiline pretty changes due to performance problems. [#63947](https://github.com/ClickHouse/ClickHouse/pull/63947) ([Raúl Marín](https://github.com/Algunenano)).
* Some usability improvements for c++expr script. [#63948](https://github.com/ClickHouse/ClickHouse/pull/63948) ([Azat Khuzhin](https://github.com/azat)).
* Fix 02124_insert_deduplication_token_multiple_blocks. [#63950](https://github.com/ClickHouse/ClickHouse/pull/63950) ([Han Fei](https://github.com/hanfei1991)).
* CI: aarch64: disable arm integration tests with kerberaized kafka. [#63961](https://github.com/ClickHouse/ClickHouse/pull/63961) ([Max K.](https://github.com/maxknv)).
* Make events like [timeouts](https://play.clickhouse.com/play?user=play#U0VMRUNUICogRlJPTSBjaGVja3MgV0hFUkUgdGVzdF9uYW1lID09ICdDaGVjayB0aW1lb3V0IGV4cGlyZWQnIEFORCBjaGVja19zdGFydF90aW1lIEJFVFdFRU4gdG9EYXRlKCcyMDI0LTA1LTEwJykgQU5EIHRvRGF0ZSgnMjAyNC0wNS0xNScp) visible in CI DB. [#63982](https://github.com/ClickHouse/ClickHouse/pull/63982) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Slightly better setting `force_optimize_projection_name`. [#63997](https://github.com/ClickHouse/ClickHouse/pull/63997) ([Anton Popov](https://github.com/CurtizJ)).
* chore(ci-workers): remove reusable from tailscale key. [#63999](https://github.com/ClickHouse/ClickHouse/pull/63999) ([Gabriel Martinez](https://github.com/GMartinez-Sisti)).
* Better script to collect symbols statistics. [#64013](https://github.com/ClickHouse/ClickHouse/pull/64013) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix a typo in Analyzer. [#64022](https://github.com/ClickHouse/ClickHouse/pull/64022) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix libbcrypt for FreeBSD build. [#64023](https://github.com/ClickHouse/ClickHouse/pull/64023) ([Azat Khuzhin](https://github.com/azat)).
* Remove some unnecessary `UNREACHABLE`s. [#64035](https://github.com/ClickHouse/ClickHouse/pull/64035) ([Robert Schulze](https://github.com/rschu1ze)).
* Add `ClickHouseVersion.copy` method. Create a branch release in advance without spinning out the release to increase the stability. [#64039](https://github.com/ClickHouse/ClickHouse/pull/64039) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Fix searching for libclang_rt.builtins.*.a on FreeBSD. [#64051](https://github.com/ClickHouse/ClickHouse/pull/64051) ([Azat Khuzhin](https://github.com/azat)).
* The mime type is not 100% reliable for Python and shell scripts without shebangs; add a check for file extension. [#64062](https://github.com/ClickHouse/ClickHouse/pull/64062) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Fix waiting for mutations with retriable errors. [#64063](https://github.com/ClickHouse/ClickHouse/pull/64063) ([Alexander Tokmakov](https://github.com/tavplubix)).
* harmonize h3PointDist* error messages. [#64080](https://github.com/ClickHouse/ClickHouse/pull/64080) ([Yohann Jardin](https://github.com/yohannj)).
* This log message is better in Trace. [#64081](https://github.com/ClickHouse/ClickHouse/pull/64081) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Prevent stack overflow in Fuzzer and Stress test. [#64082](https://github.com/ClickHouse/ClickHouse/pull/64082) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* tests: fix expected error for 03036_reading_s3_archives (fixes CI). [#64089](https://github.com/ClickHouse/ClickHouse/pull/64089) ([Azat Khuzhin](https://github.com/azat)).
* Fix sanitizers. [#64090](https://github.com/ClickHouse/ClickHouse/pull/64090) ([Azat Khuzhin](https://github.com/azat)).
* Update llvm/clang to 18.1.6. [#64091](https://github.com/ClickHouse/ClickHouse/pull/64091) ([Azat Khuzhin](https://github.com/azat)).
* Set green Mergeable Check status only after all required checks are passed with success - All non-required checks are started at stage Test_3 when all required checks are passed in Test_1/2. [#64093](https://github.com/ClickHouse/ClickHouse/pull/64093) ([Max K.](https://github.com/maxknv)).
* Move `isAllASCII` from UTFHelper to StringUtils. [#64108](https://github.com/ClickHouse/ClickHouse/pull/64108) ([Robert Schulze](https://github.com/rschu1ze)).
* Throw out some `inline`s. [#64110](https://github.com/ClickHouse/ClickHouse/pull/64110) ([Robert Schulze](https://github.com/rschu1ze)).
* Clean up .clang-tidy after transition to Clang 18. [#64111](https://github.com/ClickHouse/ClickHouse/pull/64111) ([Robert Schulze](https://github.com/rschu1ze)).
* Ignore exception when checking for cgroupsv2. [#64118](https://github.com/ClickHouse/ClickHouse/pull/64118) ([Robert Schulze](https://github.com/rschu1ze)).
* Add retries in git submodule update. [#64125](https://github.com/ClickHouse/ClickHouse/pull/64125) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* See https://s3.amazonaws.com/clickhouse-test-reports/63946/86cf1e13d866333b8a511badd7f2fe186d810646/ast_fuzzer__ubsan_.html. [#64127](https://github.com/ClickHouse/ClickHouse/pull/64127) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Refactoring of Server.h: Isolate server management from other logic. [#64132](https://github.com/ClickHouse/ClickHouse/pull/64132) ([TTPO100AJIEX](https://github.com/TTPO100AJIEX)).
* Syncing code. [#64135](https://github.com/ClickHouse/ClickHouse/pull/64135) ([Antonio Andelic](https://github.com/antonio2368)).
* Losen build resource limits for unusual architectures. [#64152](https://github.com/ClickHouse/ClickHouse/pull/64152) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* fix clang tidy. [#64179](https://github.com/ClickHouse/ClickHouse/pull/64179) ([Han Fei](https://github.com/hanfei1991)).
* Fix: 02124_insert_deduplication_token_multiple_blocks_replica. [#64181](https://github.com/ClickHouse/ClickHouse/pull/64181) ([Igor Nikonov](https://github.com/devcrafter)).
* Fix global query profiler. [#64187](https://github.com/ClickHouse/ClickHouse/pull/64187) ([Azat Khuzhin](https://github.com/azat)).
* CI: cancel running PR wf after adding to MQ. [#64188](https://github.com/ClickHouse/ClickHouse/pull/64188) ([Max K.](https://github.com/maxknv)).
* Add profile events for number of rows read during/after prewhere. [#64198](https://github.com/ClickHouse/ClickHouse/pull/64198) ([Nikita Taranov](https://github.com/nickitat)).
* Add debug logging to EmbeddedRocksDBBulkSink. [#64203](https://github.com/ClickHouse/ClickHouse/pull/64203) ([vdimir](https://github.com/vdimir)).
* Fix special builds (due to excessive resource usage - memory/CPU). [#64204](https://github.com/ClickHouse/ClickHouse/pull/64204) ([Azat Khuzhin](https://github.com/azat)).
* Update InterpreterCreateQuery.cpp. [#64207](https://github.com/ClickHouse/ClickHouse/pull/64207) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Remove unused storage_snapshot field from MergeTreeSelectProcessor. [#64217](https://github.com/ClickHouse/ClickHouse/pull/64217) ([Alexander Gololobov](https://github.com/davenger)).
* Add test for [#37090](https://github.com/ClickHouse/ClickHouse/issues/37090). [#64220](https://github.com/ClickHouse/ClickHouse/pull/64220) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Small cli tool. [#64227](https://github.com/ClickHouse/ClickHouse/pull/64227) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Make `settings_changes_history` const. [#64230](https://github.com/ClickHouse/ClickHouse/pull/64230) ([János Benjamin Antal](https://github.com/antaljanosbenjamin)).
* test for [#45804](https://github.com/ClickHouse/ClickHouse/issues/45804). [#64245](https://github.com/ClickHouse/ClickHouse/pull/64245) ([Denny Crane](https://github.com/den-crane)).
* Update version after release. [#64283](https://github.com/ClickHouse/ClickHouse/pull/64283) ([Raúl Marín](https://github.com/Algunenano)).
* Followup for [#63691](https://github.com/ClickHouse/ClickHouse/issues/63691). [#64285](https://github.com/ClickHouse/ClickHouse/pull/64285) ([vdimir](https://github.com/vdimir)).
* CI: dependency fix for changelog.py. [#64293](https://github.com/ClickHouse/ClickHouse/pull/64293) ([Max K.](https://github.com/maxknv)).
* Print query in explain plan with parallel replicas. [#64298](https://github.com/ClickHouse/ClickHouse/pull/64298) ([vdimir](https://github.com/vdimir)).
* CI: Cancel sync wf on new push. [#64299](https://github.com/ClickHouse/ClickHouse/pull/64299) ([Max K.](https://github.com/maxknv)).
* CI: master workflow with folded jobs. [#64340](https://github.com/ClickHouse/ClickHouse/pull/64340) ([Max K.](https://github.com/maxknv)).
* CI: Sync, Merge check, CI gh's statuses fixes. [#64348](https://github.com/ClickHouse/ClickHouse/pull/64348) ([Max K.](https://github.com/maxknv)).
* Enable 02494_query_cache_nested_query_bug for Analyzer. [#64357](https://github.com/ClickHouse/ClickHouse/pull/64357) ([Robert Schulze](https://github.com/rschu1ze)).
* Rename allow_deprecated_functions to allow_deprecated_error_prone_window_functions. [#64358](https://github.com/ClickHouse/ClickHouse/pull/64358) ([Raúl Marín](https://github.com/Algunenano)).
* Change input_format_parquet_use_native_reader to 24.6. [#64359](https://github.com/ClickHouse/ClickHouse/pull/64359) ([Raúl Marín](https://github.com/Algunenano)).
* Update description for settings `cross_join_min_rows_to_compress` and `cross_join_min_bytes_to_compress`. [#64360](https://github.com/ClickHouse/ClickHouse/pull/64360) ([Nikita Fomichev](https://github.com/fm4v)).
* Changed the unreleased setting `aggregate_function_group_array_has_limit_size` to `aggregate_function_group_array_action_when_limit_is_reached`. [#64362](https://github.com/ClickHouse/ClickHouse/pull/64362) ([Raúl Marín](https://github.com/Algunenano)).
* Split tests 03039_dynamic_all_merge_algorithms to avoid timeouts. [#64363](https://github.com/ClickHouse/ClickHouse/pull/64363) ([Kruglov Pavel](https://github.com/Avogar)).
* Try to fix GWPAsan. [#64365](https://github.com/ClickHouse/ClickHouse/pull/64365) ([Antonio Andelic](https://github.com/antonio2368)).
* CI: add secrets to reusable stage wf yml. [#64366](https://github.com/ClickHouse/ClickHouse/pull/64366) ([Max K.](https://github.com/maxknv)).
* Do not run tests tagged 'no-s3-storage-with-slow-build' with ASan. [#64367](https://github.com/ClickHouse/ClickHouse/pull/64367) ([vdimir](https://github.com/vdimir)).
* This change was reverted. [#64386](https://github.com/ClickHouse/ClickHouse/pull/64386) ([Francisco J. Jurado Moreno](https://github.com/Beetelbrox)).
* Update s3queue.md. [#64389](https://github.com/ClickHouse/ClickHouse/pull/64389) ([Kseniia Sumarokova](https://github.com/kssenii)).
* test for [#64211](https://github.com/ClickHouse/ClickHouse/issues/64211). [#64390](https://github.com/ClickHouse/ClickHouse/pull/64390) ([Denny Crane](https://github.com/den-crane)).
* Follow-up to [#59767](https://github.com/ClickHouse/ClickHouse/issues/59767). [#64398](https://github.com/ClickHouse/ClickHouse/pull/64398) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Remove wrong comment. [#64403](https://github.com/ClickHouse/ClickHouse/pull/64403) ([Sergei Trifonov](https://github.com/serxa)).
* Follow up to [#59767](https://github.com/ClickHouse/ClickHouse/issues/59767). [#64404](https://github.com/ClickHouse/ClickHouse/pull/64404) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Refactor s3 settings (move settings parsing into single place). [#64412](https://github.com/ClickHouse/ClickHouse/pull/64412) ([Kseniia Sumarokova](https://github.com/kssenii)).
* This PR was reverted. [#64423](https://github.com/ClickHouse/ClickHouse/pull/64423) ([Sergei Trifonov](https://github.com/serxa)).
* Fix test after [#64404](https://github.com/ClickHouse/ClickHouse/issues/64404). [#64432](https://github.com/ClickHouse/ClickHouse/pull/64432) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Faster TestKeeper shutdown. [#64433](https://github.com/ClickHouse/ClickHouse/pull/64433) ([Alexander Gololobov](https://github.com/davenger)).
* Remove some logging. [#64434](https://github.com/ClickHouse/ClickHouse/pull/64434) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Revert "Revert "Remove some unnecessary UNREACHABLEs"". [#64435](https://github.com/ClickHouse/ClickHouse/pull/64435) ([Robert Schulze](https://github.com/rschu1ze)).
* Clean settings in 02943_variant_read_subcolumns test. [#64437](https://github.com/ClickHouse/ClickHouse/pull/64437) ([Kruglov Pavel](https://github.com/Avogar)).
* Add a comment after [#64226](https://github.com/ClickHouse/ClickHouse/issues/64226). [#64449](https://github.com/ClickHouse/ClickHouse/pull/64449) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* CI: fix build_report selection in case of job reuse. [#64459](https://github.com/ClickHouse/ClickHouse/pull/64459) ([Max K.](https://github.com/maxknv)).
* Add Critical bugfix category in PR template. [#64480](https://github.com/ClickHouse/ClickHouse/pull/64480) ([Max K.](https://github.com/maxknv)).
* Remove `generateSnowflakeIDThreadMonotonic`. [#64499](https://github.com/ClickHouse/ClickHouse/pull/64499) ([Robert Schulze](https://github.com/rschu1ze)).
* Move analyzer attempt 2. [#64500](https://github.com/ClickHouse/ClickHouse/pull/64500) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Sync some code back from internal to public repository. [#64502](https://github.com/ClickHouse/ClickHouse/pull/64502) ([Robert Schulze](https://github.com/rschu1ze)).
* Remove `generateUUIDv7(NonMonotonic|ThreadMonotonic)` functions. [#64506](https://github.com/ClickHouse/ClickHouse/pull/64506) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix bash completion for settings. [#64521](https://github.com/ClickHouse/ClickHouse/pull/64521) ([Azat Khuzhin](https://github.com/azat)).
* Use max_read_buffer_size for file descriptors as well in file(). [#64532](https://github.com/ClickHouse/ClickHouse/pull/64532) ([Azat Khuzhin](https://github.com/azat)).
* Temporarily disable `enable_vertical_final` setting by default. This feature should not be used in older releases because it [might crash](https://github.com/ClickHouse/ClickHouse/issues/64543), but it's already fixed in 24.6 where this setting change has been reverted and `enable_vertical_final` is again enabled by default. [#64544](https://github.com/ClickHouse/ClickHouse/pull/64544) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Removed excessive calls to `flush logs` and disabled under sanitizers. [#64550](https://github.com/ClickHouse/ClickHouse/pull/64550) ([Nikita Taranov](https://github.com/nickitat)).
* Sync code moved in private repo back back to public repo. [#64551](https://github.com/ClickHouse/ClickHouse/pull/64551) ([Robert Schulze](https://github.com/rschu1ze)).
* Add support for custom type to ASTLiteral, or else the type may be lost when parse the ast. E.g. set a ASTLiteral to DataTime32 with value 19870, then it will be parsed to Int16. [#64562](https://github.com/ClickHouse/ClickHouse/pull/64562) ([shuai.xu](https://github.com/shuai-xu)).
* Add a temporary known host for git over ssh. [#64569](https://github.com/ClickHouse/ClickHouse/pull/64569) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Cache first analysis result in ReadFromMergeTree. [#64579](https://github.com/ClickHouse/ClickHouse/pull/64579) ([Igor Nikonov](https://github.com/devcrafter)).
* Derive script parameters (labels) from the --repo/--from-repo - fix to not create backports for all release branches if backport for specific branch only. [#64603](https://github.com/ClickHouse/ClickHouse/pull/64603) ([Max K.](https://github.com/maxknv)).
* CI fixes. [#64605](https://github.com/ClickHouse/ClickHouse/pull/64605) ([Max K.](https://github.com/maxknv)).
* Double-checking [#59318](https://github.com/ClickHouse/ClickHouse/issues/59318) and docs for `Map`. [#64606](https://github.com/ClickHouse/ClickHouse/pull/64606) ([Robert Schulze](https://github.com/rschu1ze)).
* Update CHANGELOG.md. [#64609](https://github.com/ClickHouse/ClickHouse/pull/64609) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Tests: Convert numeric to symbolic error codes. [#64635](https://github.com/ClickHouse/ClickHouse/pull/64635) ([Robert Schulze](https://github.com/rschu1ze)).
* Move NamedCollectionsFactory into a separate file. [#64642](https://github.com/ClickHouse/ClickHouse/pull/64642) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Shuffle tests for parallel execution. [#64646](https://github.com/ClickHouse/ClickHouse/pull/64646) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* CI: Do not upload binaries for special builds in PRs. [#64653](https://github.com/ClickHouse/ClickHouse/pull/64653) ([Max K.](https://github.com/maxknv)).
* Update changelog. [#64654](https://github.com/ClickHouse/ClickHouse/pull/64654) ([Robert Schulze](https://github.com/rschu1ze)).
* Parallel replicas: simple cleanup. [#64655](https://github.com/ClickHouse/ClickHouse/pull/64655) ([Igor Nikonov](https://github.com/devcrafter)).
* Be more graceful with existing tables with `inverted` indexes. [#64656](https://github.com/ClickHouse/ClickHouse/pull/64656) ([Robert Schulze](https://github.com/rschu1ze)).
* CI: Build Report Check to verify only enabled builds. [#64669](https://github.com/ClickHouse/ClickHouse/pull/64669) ([Max K.](https://github.com/maxknv)).
* Tests: Convert error numbers to symbolic error codes, pt. II. [#64670](https://github.com/ClickHouse/ClickHouse/pull/64670) ([Robert Schulze](https://github.com/rschu1ze)).
* Split query analyzer. [#64672](https://github.com/ClickHouse/ClickHouse/pull/64672) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* By the end of CI, CI_Running status must be SUCCESS or FAILURE never PENDING. [#64693](https://github.com/ClickHouse/ClickHouse/pull/64693) ([Max K.](https://github.com/maxknv)).
* The following list of merged PRs is not present in the release branch and was added to the changelog by mistake:. [#64704](https://github.com/ClickHouse/ClickHouse/pull/64704) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* CI: MergeQueue: add binary_release and unit tests. [#64705](https://github.com/ClickHouse/ClickHouse/pull/64705) ([Max K.](https://github.com/maxknv)).
* Fix to get first good enough GH token instead of getting and comparing all of them. [#64709](https://github.com/ClickHouse/ClickHouse/pull/64709) ([Max K.](https://github.com/maxknv)).
* Check for missing Upload ID in CreateMultipartUpload reply. [#64714](https://github.com/ClickHouse/ClickHouse/pull/64714) ([Michael Kolupaev](https://github.com/al13n321)).
* Update version_date.tsv and changelogs after v24.5.1.1763-stable. [#64715](https://github.com/ClickHouse/ClickHouse/pull/64715) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Fix (unreleased) `loop()` table function crashing on empty table name. [#64716](https://github.com/ClickHouse/ClickHouse/pull/64716) ([Michael Kolupaev](https://github.com/al13n321)).
* Update CHANGELOG.md. [#64730](https://github.com/ClickHouse/ClickHouse/pull/64730) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* CI: ci.py refactoring. [#64734](https://github.com/ClickHouse/ClickHouse/pull/64734) ([Max K.](https://github.com/maxknv)).
* Return the explanation for session moved error. [#64747](https://github.com/ClickHouse/ClickHouse/pull/64747) ([Antonio Andelic](https://github.com/antonio2368)).
* Adjust the version_helper and script to a new release scheme. [#64759](https://github.com/ClickHouse/ClickHouse/pull/64759) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Do not try to write columns.txt if it does not exist for write-once storages. [#64762](https://github.com/ClickHouse/ClickHouse/pull/64762) ([Azat Khuzhin](https://github.com/azat)).
* Update 02482_load_parts_refcounts.sh. [#64765](https://github.com/ClickHouse/ClickHouse/pull/64765) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix crash with DISTINCT and window functions. [#64767](https://github.com/ClickHouse/ClickHouse/pull/64767) ([Igor Nikonov](https://github.com/devcrafter)).
* Fix assert in IObjectStorageIteratorAsync. [#64770](https://github.com/ClickHouse/ClickHouse/pull/64770) ([Michael Kolupaev](https://github.com/al13n321)).
* Make table functions always report engine 'StorageProxy' in system.tables. [#64771](https://github.com/ClickHouse/ClickHouse/pull/64771) ([Michael Kolupaev](https://github.com/al13n321)).
* Ask about company name on GitHub. [#64774](https://github.com/ClickHouse/ClickHouse/pull/64774) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix flaky tests about SQLite. [#64776](https://github.com/ClickHouse/ClickHouse/pull/64776) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Remove iostream debug helpers. [#64777](https://github.com/ClickHouse/ClickHouse/pull/64777) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Remove unnecessary comment. [#64785](https://github.com/ClickHouse/ClickHouse/pull/64785) ([Raúl Marín](https://github.com/Algunenano)).
* Follow-ups to some PRs. [#64787](https://github.com/ClickHouse/ClickHouse/pull/64787) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Attempt to fix 02228_merge_tree_insert_memory_usage.sql flakiness for s3. [#64800](https://github.com/ClickHouse/ClickHouse/pull/64800) ([Raúl Marín](https://github.com/Algunenano)).
* Add regression test for filter propagation through `Merge` engine. [#64806](https://github.com/ClickHouse/ClickHouse/pull/64806) ([Nikita Taranov](https://github.com/nickitat)).
* Migrate changelog.py to a descendant of fuzzywuzzy. [#64807](https://github.com/ClickHouse/ClickHouse/pull/64807) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* A follow-up for https://github.com/ClickHouse/ClickHouse/pull/64039 and [#64759](https://github.com/ClickHouse/ClickHouse/issues/64759). [#64813](https://github.com/ClickHouse/ClickHouse/pull/64813) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Make row order optimization non-experimental. [#64814](https://github.com/ClickHouse/ClickHouse/pull/64814) ([Robert Schulze](https://github.com/rschu1ze)).
* Didn't catch it at the time when all versions belonged to the current year. [#64817](https://github.com/ClickHouse/ClickHouse/pull/64817) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Fix clang-tidy build. [#64823](https://github.com/ClickHouse/ClickHouse/pull/64823) ([Robert Schulze](https://github.com/rschu1ze)).
* Sets all builds that we run tests on to normal build list. [#64824](https://github.com/ClickHouse/ClickHouse/pull/64824) ([Max K.](https://github.com/maxknv)).
* CI: fix CI await feature. [#64825](https://github.com/ClickHouse/ClickHouse/pull/64825) ([Max K.](https://github.com/maxknv)).
* Fix clang-tidy. [#64827](https://github.com/ClickHouse/ClickHouse/pull/64827) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Upload blob_storage_log from stateless tests. [#64843](https://github.com/ClickHouse/ClickHouse/pull/64843) ([alesapin](https://github.com/alesapin)).
* Follow-up to [#64349](https://github.com/ClickHouse/ClickHouse/issues/64349). [#64845](https://github.com/ClickHouse/ClickHouse/pull/64845) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Simplify handling of old 'inverted' indexes. [#64846](https://github.com/ClickHouse/ClickHouse/pull/64846) ([Robert Schulze](https://github.com/rschu1ze)).
* Use issue templates defined in YAML provide more user-friendly experience. [#64850](https://github.com/ClickHouse/ClickHouse/pull/64850) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Handle logs from rocksdb by ClickHouse internal logging. [#64856](https://github.com/ClickHouse/ClickHouse/pull/64856) ([Azat Khuzhin](https://github.com/azat)).
* Follow-up for https://github.com/ClickHouse/ClickHouse/pull/59357. [#64860](https://github.com/ClickHouse/ClickHouse/pull/64860) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* added mlock and mlockall to aspell-dict to be ignored. [#64863](https://github.com/ClickHouse/ClickHouse/pull/64863) ([Ali](https://github.com/xogoodnow)).
* A tiny fix for fancy quotes. [#64883](https://github.com/ClickHouse/ClickHouse/pull/64883) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix possible loss of "Query was cancelled" message in client. [#64888](https://github.com/ClickHouse/ClickHouse/pull/64888) ([Azat Khuzhin](https://github.com/azat)).
* We accidentally lost the way to set `PR Check` failure at some point. [#64890](https://github.com/ClickHouse/ClickHouse/pull/64890) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Fix global trace collector. [#64896](https://github.com/ClickHouse/ClickHouse/pull/64896) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix test_mask_sensitive_info/test.py::test_create_table. [#64901](https://github.com/ClickHouse/ClickHouse/pull/64901) ([Azat Khuzhin](https://github.com/azat)).
* Update 03165_string_functions_with_token_text_indexes.sql. [#64903](https://github.com/ClickHouse/ClickHouse/pull/64903) ([Alexander Tokmakov](https://github.com/tavplubix)).
* When the branch is removed, it's impossible to get the diff by the labels. `print` in imported files spoils the `ipython` output. [#64904](https://github.com/ClickHouse/ClickHouse/pull/64904) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Disable transactions for unsupported storages even for materialized v…. [#64918](https://github.com/ClickHouse/ClickHouse/pull/64918) ([alesapin](https://github.com/alesapin)).
* additional log for cleanupDetachedTables. [#64919](https://github.com/ClickHouse/ClickHouse/pull/64919) ([Konstantin Morozov](https://github.com/k-morozov)).
* Fix tupleConcat of two empty tuples. This fixes [#64885](https://github.com/ClickHouse/ClickHouse/issues/64885). [#64923](https://github.com/ClickHouse/ClickHouse/pull/64923) ([Amos Bird](https://github.com/amosbird)).
* CI: Minor fixes in ci scripts. [#64950](https://github.com/ClickHouse/ClickHouse/pull/64950) ([Max K.](https://github.com/maxknv)).
* Fix error message (it was strange). [#64952](https://github.com/ClickHouse/ClickHouse/pull/64952) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Update fmtlib version to 9.1.0. [#64959](https://github.com/ClickHouse/ClickHouse/pull/64959) ([Duc Canh Le](https://github.com/canhld94)).
* Test 02908_many_requests_to_system_replicas makes a lot of heavy requests and it overloads server if it's an ASAN build. [#64966](https://github.com/ClickHouse/ClickHouse/pull/64966) ([Alexander Gololobov](https://github.com/davenger)).
* Fix (unreleased) bug in short circuit evaluation. [#64967](https://github.com/ClickHouse/ClickHouse/pull/64967) ([Raúl Marín](https://github.com/Algunenano)).
* Update version_date.tsv and changelogs after v24.4.2.141-stable. [#64968](https://github.com/ClickHouse/ClickHouse/pull/64968) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Fix `test_attach_partition_using_copy`. [#64977](https://github.com/ClickHouse/ClickHouse/pull/64977) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Faster processing of scheduler queue activations. [#64985](https://github.com/ClickHouse/ClickHouse/pull/64985) ([Sergei Trifonov](https://github.com/serxa)).
* CI: Fix nightly workflow. [#64987](https://github.com/ClickHouse/ClickHouse/pull/64987) ([Max K.](https://github.com/maxknv)).
* Fix innocuous data race in detectLanguage. [#64988](https://github.com/ClickHouse/ClickHouse/pull/64988) ([Raúl Marín](https://github.com/Algunenano)).
* CI: Builds in CI settings. [#64994](https://github.com/ClickHouse/ClickHouse/pull/64994) ([Max K.](https://github.com/maxknv)).
* REVERTED. [#65009](https://github.com/ClickHouse/ClickHouse/pull/65009) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* CI: Fix backports. [#65010](https://github.com/ClickHouse/ClickHouse/pull/65010) ([Max K.](https://github.com/maxknv)).
* Try fix 03143_prewhere_profile_events. [#65014](https://github.com/ClickHouse/ClickHouse/pull/65014) ([Nikita Taranov](https://github.com/nickitat)).
* Fix 03165_string_functions_with_token_text_indexes. [#65018](https://github.com/ClickHouse/ClickHouse/pull/65018) ([Julia Kartseva](https://github.com/jkartseva)).
* This change was reverted. [#65028](https://github.com/ClickHouse/ClickHouse/pull/65028) ([Sergei Trifonov](https://github.com/serxa)).
* Bump googletest to latest HEAD. [#65038](https://github.com/ClickHouse/ClickHouse/pull/65038) ([Robert Schulze](https://github.com/rschu1ze)).
* Improve comment about AsynchronousMetrics. [#65040](https://github.com/ClickHouse/ClickHouse/pull/65040) ([Antonio Andelic](https://github.com/antonio2368)).
* CI: Remove fuzzer build from normal CI run (bugfix). [#65041](https://github.com/ClickHouse/ClickHouse/pull/65041) ([Max K.](https://github.com/maxknv)).
* CI config refactoring. [#65045](https://github.com/ClickHouse/ClickHouse/pull/65045) ([Max K.](https://github.com/maxknv)).
* Bump abseil to latest HEAD. [#65048](https://github.com/ClickHouse/ClickHouse/pull/65048) ([Robert Schulze](https://github.com/rschu1ze)).
* Capture weak_ptr of ContextAccess for safety. [#65051](https://github.com/ClickHouse/ClickHouse/pull/65051) ([Alexander Gololobov](https://github.com/davenger)).
* Stateless tests: add test for SIZES_OF_NESTED_COLUMNS_ARE_INCONSISTENT. [#65056](https://github.com/ClickHouse/ClickHouse/pull/65056) ([Nikita Fomichev](https://github.com/fm4v)).
* Increase timeout in wait_for_all_mutations. [#65058](https://github.com/ClickHouse/ClickHouse/pull/65058) ([Alexander Gololobov](https://github.com/davenger)).
* Tests for _time virtual column in file alike storages. [#65064](https://github.com/ClickHouse/ClickHouse/pull/65064) ([Ilya Golshtein](https://github.com/ilejn)).
* Update odbc-bridge.md. [#65099](https://github.com/ClickHouse/ClickHouse/pull/65099) ([Alexander Gololobov](https://github.com/davenger)).
* Small fix for 02340_parts_refcnt_mergetree. [#65105](https://github.com/ClickHouse/ClickHouse/pull/65105) ([Nikita Taranov](https://github.com/nickitat)).
* Re-enable OpenSSL session caching. [#65111](https://github.com/ClickHouse/ClickHouse/pull/65111) ([Robert Schulze](https://github.com/rschu1ze)).
* Update test_replicated_database/test.py. [#65112](https://github.com/ClickHouse/ClickHouse/pull/65112) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix false positives leaky memory warnings in OpenSSL. [#65125](https://github.com/ClickHouse/ClickHouse/pull/65125) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix `Initiator received more initial requests than there are replicas` with `loop` engine. [#65133](https://github.com/ClickHouse/ClickHouse/pull/65133) ([Nikita Taranov](https://github.com/nickitat)).
* Fix 'Tasks in BackgroundSchedulePool cannot throw' caused by MergeTreeData::loadUnexpectedDataParts(). [#65135](https://github.com/ClickHouse/ClickHouse/pull/65135) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix bad error message. [#65137](https://github.com/ClickHouse/ClickHouse/pull/65137) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Just fixing flaky unit tests. [#65152](https://github.com/ClickHouse/ClickHouse/pull/65152) ([Sema Checherinda](https://github.com/CheSema)).
* This change was reverted. [#65164](https://github.com/ClickHouse/ClickHouse/pull/65164) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Ensure submodules are named consistently. [#65167](https://github.com/ClickHouse/ClickHouse/pull/65167) ([Robert Schulze](https://github.com/rschu1ze)).
* Remove obsolete fix from aws submodule. [#65168](https://github.com/ClickHouse/ClickHouse/pull/65168) ([Robert Schulze](https://github.com/rschu1ze)).
* CI: Fix not-merged cherry-picks for backports. [#65181](https://github.com/ClickHouse/ClickHouse/pull/65181) ([Max K.](https://github.com/maxknv)).
* Add an assertion in ReplicatedMergeTreeQueue. [#65184](https://github.com/ClickHouse/ClickHouse/pull/65184) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix bug in unreleased code. [#65185](https://github.com/ClickHouse/ClickHouse/pull/65185) ([Raúl Marín](https://github.com/Algunenano)).
* Fix docs for skipping-indexes.md. [#65194](https://github.com/ClickHouse/ClickHouse/pull/65194) ([morning-color](https://github.com/morning-color)).
* Fix the descriptions of some server settings. [#65200](https://github.com/ClickHouse/ClickHouse/pull/65200) ([Raúl Marín](https://github.com/Algunenano)).
* Fix issue after [#64813](https://github.com/ClickHouse/ClickHouse/issues/64813) with broken search in the changelog, and missing zstd in a style-check image. [#65202](https://github.com/ClickHouse/ClickHouse/pull/65202) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Fix bug in unreleased code. [#65203](https://github.com/ClickHouse/ClickHouse/pull/65203) ([Raúl Marín](https://github.com/Algunenano)).
* Add test prewhere merge. [#65207](https://github.com/ClickHouse/ClickHouse/pull/65207) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Sync ProfileEvents.h. [#65208](https://github.com/ClickHouse/ClickHouse/pull/65208) ([Kseniia Sumarokova](https://github.com/kssenii)).
* FinishCheck to set failure if workflow failed. [#65228](https://github.com/ClickHouse/ClickHouse/pull/65228) ([Max K.](https://github.com/maxknv)).
* Update version_date.tsv and changelogs after v24.3.4.147-lts. [#65235](https://github.com/ClickHouse/ClickHouse/pull/65235) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Update version_date.tsv and changelogs after v24.5.3.5-stable. [#65240](https://github.com/ClickHouse/ClickHouse/pull/65240) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Fails sometimes for debug build https://s3.amazonaws.com/clickhouse-test-reports/0/af6afd904316bfb771737faa147ce8aea72dd705/stateless_tests__debug__[4_5].html. [#65245](https://github.com/ClickHouse/ClickHouse/pull/65245) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix libunwind in CI. [#65247](https://github.com/ClickHouse/ClickHouse/pull/65247) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* CI: Do not skip FinishCheck in Merge Queue. [#65249](https://github.com/ClickHouse/ClickHouse/pull/65249) ([Max K.](https://github.com/maxknv)).
* Add a test just in case. [#65271](https://github.com/ClickHouse/ClickHouse/pull/65271) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Disable 02581_share_big_sets_between_multiple_mutations_tasks_long in coverage run. [#65295](https://github.com/ClickHouse/ClickHouse/pull/65295) ([Alexander Gololobov](https://github.com/davenger)).
* Update version_date.tsv and changelogs after v23.8.15.35-lts. [#65300](https://github.com/ClickHouse/ClickHouse/pull/65300) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* mute test test_query_is_canceled_with_inf_retries. [#65301](https://github.com/ClickHouse/ClickHouse/pull/65301) ([Sema Checherinda](https://github.com/CheSema)).
* Fix silly typo that caused wrong tags messages. [#65307](https://github.com/ClickHouse/ClickHouse/pull/65307) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Save server data for failed stateless tests. [#65309](https://github.com/ClickHouse/ClickHouse/pull/65309) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix 01246_buffer_flush flakiness (by tuning timeouts). [#65310](https://github.com/ClickHouse/ClickHouse/pull/65310) ([Azat Khuzhin](https://github.com/azat)).
* Remove outdated override in stress tests. [#65323](https://github.com/ClickHouse/ClickHouse/pull/65323) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix bad code in `system.session_log`. [#65332](https://github.com/ClickHouse/ClickHouse/pull/65332) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* add tests for 'boom filter index with map'. [#65333](https://github.com/ClickHouse/ClickHouse/pull/65333) ([iceFireser](https://github.com/iceFireser)).
* Fix crash in 03036_dynamic_read_subcolumns. [#65341](https://github.com/ClickHouse/ClickHouse/pull/65341) ([Kruglov Pavel](https://github.com/Avogar)).
* Move tests 02942_variant_cast and 02944_variant_as_common_type to analyzer_tech_debt.txt. [#65342](https://github.com/ClickHouse/ClickHouse/pull/65342) ([Kruglov Pavel](https://github.com/Avogar)).
* REVERTED. [#65384](https://github.com/ClickHouse/ClickHouse/pull/65384) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* CI: Add Non-blocking (Woolen wolfdog) CI mode. [#65385](https://github.com/ClickHouse/ClickHouse/pull/65385) ([Max K.](https://github.com/maxknv)).
* Fix compatibility release check. [#65394](https://github.com/ClickHouse/ClickHouse/pull/65394) ([Alexey Katsman](https://github.com/alexkats)).
* Move a leaksan suppression from Poco into OpenSSL. [#65396](https://github.com/ClickHouse/ClickHouse/pull/65396) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix tidy build. [#65415](https://github.com/ClickHouse/ClickHouse/pull/65415) ([Sergei Trifonov](https://github.com/serxa)).
* Remove Tests dependency on Builds_2. No tests depend on Builds_2. [#65416](https://github.com/ClickHouse/ClickHouse/pull/65416) ([Max K.](https://github.com/maxknv)).
* CI: PR workflow dependencies fix. [#65442](https://github.com/ClickHouse/ClickHouse/pull/65442) ([Max K.](https://github.com/maxknv)).
* Fix test_storage_s3_queue/test.py::test_max_set_age. [#65452](https://github.com/ClickHouse/ClickHouse/pull/65452) ([Kseniia Sumarokova](https://github.com/kssenii)).
* CI: Rename A Sync status. [#65456](https://github.com/ClickHouse/ClickHouse/pull/65456) ([Max K.](https://github.com/maxknv)).
* CI: Rename sync status. [#65464](https://github.com/ClickHouse/ClickHouse/pull/65464) ([Max K.](https://github.com/maxknv)).
* This change was reverted. [#65466](https://github.com/ClickHouse/ClickHouse/pull/65466) ([Sergei Trifonov](https://github.com/serxa)).
* Remove a feature wasn't part of any release yet. [#65480](https://github.com/ClickHouse/ClickHouse/pull/65480) ([Raúl Marín](https://github.com/Algunenano)).
* Backported in [#65657](https://github.com/ClickHouse/ClickHouse/issues/65657): Fix of `PlanSquashingTransform`: pipeline stuck. [#65487](https://github.com/ClickHouse/ClickHouse/pull/65487) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Backported in [#65504](https://github.com/ClickHouse/ClickHouse/issues/65504): Fix bad test `02922_deduplication_with_zero_copy`. [#65492](https://github.com/ClickHouse/ClickHouse/pull/65492) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#65591](https://github.com/ClickHouse/ClickHouse/issues/65591): Setting `uniform_snowflake_conversion_functions` (not in any release yet) was replaced by setting `allow_deprecated_snowflake_conversion_functions`. The latter controls if the legacy snowflake conversion functions are available (by default, they are not). [#65522](https://github.com/ClickHouse/ClickHouse/pull/65522) ([Robert Schulze](https://github.com/rschu1ze)).
* Backported in [#65759](https://github.com/ClickHouse/ClickHouse/issues/65759): Renames Build report jobs. [#65554](https://github.com/ClickHouse/ClickHouse/pull/65554) ([Max K.](https://github.com/maxknv)).
* Backported in [#65773](https://github.com/ClickHouse/ClickHouse/issues/65773): `base64En/Decode64Url` --> `base64En/Decode64URL`. [#65760](https://github.com/ClickHouse/ClickHouse/pull/65760) ([Robert Schulze](https://github.com/rschu1ze)).
* Backported in [#65805](https://github.com/ClickHouse/ClickHouse/issues/65805): CI: Fix for Builds report job in backports and releases. [#65774](https://github.com/ClickHouse/ClickHouse/pull/65774) ([Max K.](https://github.com/maxknv)).

2
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@ -267,7 +267,7 @@ A pull request can be created even if the work is not completed yet. In this cas
Testing will commence as soon as ClickHouse employees label your PR with a tag “can be tested”. The results of some first checks (e.g. code style) will come in within several minutes. Build check results will arrive within half an hour. And the main set of tests will report itself within an hour.
The system will prepare ClickHouse binary builds for your pull request individually. To retrieve these builds click the “Details” link next to “ClickHouse build check” entry in the list of checks. There you will find direct links to the built .deb packages of ClickHouse which you can deploy even on your production servers (if you have no fear).
The system will prepare ClickHouse binary builds for your pull request individually. To retrieve these builds click the “Details” link next to “Builds” entry in the list of checks. There you will find direct links to the built .deb packages of ClickHouse which you can deploy even on your production servers (if you have no fear).
Most probably some of the builds will fail at first times. This is due to the fact that we check builds both with gcc as well as with clang, with almost all of existing warnings (always with the `-Werror` flag) enabled for clang. On that same page, you can find all of the build logs so that you do not have to build ClickHouse in all of the possible ways.

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@ -28,7 +28,7 @@ run, for example, the test `01428_hash_set_nan_key`, change to the repository
folder and run the following command:
```
PATH=$PATH:<path to clickhouse-client> tests/clickhouse-test 01428_hash_set_nan_key
PATH=<path to clickhouse-client>:$PATH tests/clickhouse-test 01428_hash_set_nan_key
```
Test results (`stderr` and `stdout`) are written to files `01428_hash_set_nan_key.[stderr|stdout]` which
@ -229,6 +229,10 @@ For production builds, clang is used, but we also test make gcc builds. For deve
## Sanitizers {#sanitizers}
:::note
If the process (ClickHouse server or client) crashes at startup when running it locally, you might need to disable address space layout randomization: `sudo sysctl kernel.randomize_va_space=0`
:::
### Address sanitizer
We run functional, integration, stress and unit tests under ASan on per-commit basis.

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@ -56,6 +56,15 @@ SELECT * FROM test_table;
- `_size` — Size of the file in bytes. Type: `Nullable(UInt64)`. If the size is unknown, the value is `NULL`.
- `_time` — Last modified time of the file. Type: `Nullable(DateTime)`. If the time is unknown, the value is `NULL`.
## Authentication
Currently there are 3 ways to authenticate:
- `Managed Identity` - Can be used by providing an `endpoint`, `connection_string` or `storage_account_url`.
- `SAS Token` - Can be used by providing an `endpoint`, `connection_string` or `storage_account_url`. It is identified by presence of '?' in the url.
- `Workload Identity` - Can be used by providing an `endpoint` or `storage_account_url`. If `use_workload_identity` parameter is set in config, ([workload identity](https://github.com/Azure/azure-sdk-for-cpp/tree/main/sdk/identity/azure-identity#authenticate-azure-hosted-applications)) is used for authentication.
## See also
[Azure Blob Storage Table Function](/docs/en/sql-reference/table-functions/azureBlobStorage)

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@ -37,7 +37,7 @@ Using named collections:
<named_collections>
<iceberg_conf>
<url>http://test.s3.amazonaws.com/clickhouse-bucket/</url>
<access_key_id>test<access_key_id>
<access_key_id>test</access_key_id>
<secret_access_key>test</secret_access_key>
</iceberg_conf>
</named_collections>

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@ -58,7 +58,7 @@ Optional parameters:
- `nats_max_reconnect` – Maximum amount of reconnection attempts per try to connect to NATS. Default: `5`.
- `nats_reconnect_wait` – Amount of time in milliseconds to sleep between each reconnect attempt. Default: `5000`.
- `nats_server_list` - Server list for connection. Can be specified to connect to NATS cluster.
- `nats_skip_broken_messages` - NATS message parser tolerance to schema-incompatible messages per block. Default: `0`. If `nats_skip_broken_messages = N` then the engine skips *N* RabbitMQ messages that cannot be parsed (a message equals a row of data).
- `nats_skip_broken_messages` - NATS message parser tolerance to schema-incompatible messages per block. Default: `0`. If `nats_skip_broken_messages = N` then the engine skips *N* NATS messages that cannot be parsed (a message equals a row of data).
- `nats_max_block_size` - Number of row collected by poll(s) for flushing data from NATS. Default: [max_insert_block_size](../../../operations/settings/settings.md#max_insert_block_size).
- `nats_flush_interval_ms` - Timeout for flushing data read from NATS. Default: [stream_flush_interval_ms](../../../operations/settings/settings.md#stream-flush-interval-ms).
- `nats_username` - NATS username.
@ -67,7 +67,7 @@ Optional parameters:
- `nats_credential_file` - Path to a NATS credentials file.
- `nats_startup_connect_tries` - Number of connect tries at startup. Default: `5`.
- `nats_max_rows_per_message` — The maximum number of rows written in one NATS message for row-based formats. (default : `1`).
- `nats_handle_error_mode` — How to handle errors for RabbitMQ engine. Possible values: default (the exception will be thrown if we fail to parse a message), stream (the exception message and raw message will be saved in virtual columns `_error` and `_raw_message`).
- `nats_handle_error_mode` — How to handle errors for NATS engine. Possible values: default (the exception will be thrown if we fail to parse a message), stream (the exception message and raw message will be saved in virtual columns `_error` and `_raw_message`).
SSL connection:

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@ -13,7 +13,7 @@ This engine provides integration with [Amazon S3](https://aws.amazon.com/s3/) ec
CREATE TABLE s3_queue_engine_table (name String, value UInt32)
ENGINE = S3Queue(path, [NOSIGN, | aws_access_key_id, aws_secret_access_key,] format, [compression])
[SETTINGS]
[mode = 'unordered',]
[mode = '',]
[after_processing = 'keep',]
[keeper_path = '',]
[s3queue_loading_retries = 0,]
@ -28,6 +28,8 @@ CREATE TABLE s3_queue_engine_table (name String, value UInt32)
[s3queue_cleanup_interval_max_ms = 30000,]
```
Starting with `24.7` settings without `s3queue_` prefix are also supported.
**Engine parameters**
- `path` — Bucket url with path to file. Supports following wildcards in readonly mode: `*`, `**`, `?`, `{abc,def}` and `{N..M}` where `N`, `M` — numbers, `'abc'`, `'def'` — strings. For more information see [below](#wildcards-in-path).

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@ -0,0 +1,394 @@
---
slug: /en/getting-started/example-datasets/stackoverflow
sidebar_label: Stack Overflow
sidebar_position: 1
description: Analyzing Stack Overflow data with ClickHouse
---
# Analyzing Stack Overflow data with ClickHouse
This dataset contains every `Post`, `User`, `Vote`, `Comment`, `Badge, `PostHistory`, and `PostLink` that has occurred on Stack Overflow.
Users can either download pre-prepared Parquet versions of the data, containing every post up to April 2024, or download the latest data in XML format and load this. Stack Overflow provide updates to this data periodically - historically every 3 months.
The following diagram shows the schema for the available tables assuming Parquet format.
![Stack Overflow schema](./images/stackoverflow.png)
A description of the schema of this data can be found [here](https://meta.stackexchange.com/questions/2677/database-schema-documentation-for-the-public-data-dump-and-sede).
## Pre-prepared data
We provide a copy of this data in Parquet format, up to date as of April 2024. While small for ClickHouse with respect to the number of rows (60 million posts), this dataset contains significant volumes of text and large String columns.
```sql
CREATE DATABASE stackoverflow
```
The following timings are for a 96 GiB, 24 vCPU ClickHouse Cloud cluster located in `eu-west-2`. The dataset is located in `eu-west-3`.
### Posts
```sql
CREATE TABLE stackoverflow.posts
(
`Id` Int32 CODEC(Delta(4), ZSTD(1)),
`PostTypeId` Enum8('Question' = 1, 'Answer' = 2, 'Wiki' = 3, 'TagWikiExcerpt' = 4, 'TagWiki' = 5, 'ModeratorNomination' = 6, 'WikiPlaceholder' = 7, 'PrivilegeWiki' = 8),
`AcceptedAnswerId` UInt32,
`CreationDate` DateTime64(3, 'UTC'),
`Score` Int32,
`ViewCount` UInt32 CODEC(Delta(4), ZSTD(1)),
`Body` String,
`OwnerUserId` Int32,
`OwnerDisplayName` String,
`LastEditorUserId` Int32,
`LastEditorDisplayName` String,
`LastEditDate` DateTime64(3, 'UTC') CODEC(Delta(8), ZSTD(1)),
`LastActivityDate` DateTime64(3, 'UTC'),
`Title` String,
`Tags` String,
`AnswerCount` UInt16 CODEC(Delta(2), ZSTD(1)),
`CommentCount` UInt8,
`FavoriteCount` UInt8,
`ContentLicense` LowCardinality(String),
`ParentId` String,
`CommunityOwnedDate` DateTime64(3, 'UTC'),
`ClosedDate` DateTime64(3, 'UTC')
)
ENGINE = MergeTree
PARTITION BY toYear(CreationDate)
ORDER BY (PostTypeId, toDate(CreationDate), CreationDate)
INSERT INTO stackoverflow.posts SELECT * FROM s3('https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/posts/*.parquet')
0 rows in set. Elapsed: 265.466 sec. Processed 59.82 million rows, 38.07 GB (225.34 thousand rows/s., 143.42 MB/s.)
```
Posts are also available by year e.g. [https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/posts/2020.parquet](https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/posts/2020.parquet)
### Votes
```sql
CREATE TABLE stackoverflow.votes
(
`Id` UInt32,
`PostId` Int32,
`VoteTypeId` UInt8,
`CreationDate` DateTime64(3, 'UTC'),
`UserId` Int32,
`BountyAmount` UInt8
)
ENGINE = MergeTree
ORDER BY (VoteTypeId, CreationDate, PostId, UserId)
INSERT INTO stackoverflow.votes SELECT * FROM s3('https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/votes/*.parquet')
0 rows in set. Elapsed: 21.605 sec. Processed 238.98 million rows, 2.13 GB (11.06 million rows/s., 98.46 MB/s.)
```
Votes are also available by year e.g. [https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/posts/2020.parquet](https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/votes/2020.parquet)
### Comments
```sql
CREATE TABLE stackoverflow.comments
(
`Id` UInt32,
`PostId` UInt32,
`Score` UInt16,
`Text` String,
`CreationDate` DateTime64(3, 'UTC'),
`UserId` Int32,
`UserDisplayName` LowCardinality(String)
)
ENGINE = MergeTree
ORDER BY CreationDate
INSERT INTO stackoverflow.comments SELECT * FROM s3('https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/comments/*.parquet')
0 rows in set. Elapsed: 56.593 sec. Processed 90.38 million rows, 11.14 GB (1.60 million rows/s., 196.78 MB/s.)
```
Comments are also available by year e.g. [https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/posts/2020.parquet](https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/comments/2020.parquet)
### Users
```sql
CREATE TABLE stackoverflow.users
(
`Id` Int32,
`Reputation` LowCardinality(String),
`CreationDate` DateTime64(3, 'UTC') CODEC(Delta(8), ZSTD(1)),
`DisplayName` String,
`LastAccessDate` DateTime64(3, 'UTC'),
`AboutMe` String,
`Views` UInt32,
`UpVotes` UInt32,
`DownVotes` UInt32,
`WebsiteUrl` String,
`Location` LowCardinality(String),
`AccountId` Int32
)
ENGINE = MergeTree
ORDER BY (Id, CreationDate)
INSERT INTO stackoverflow.users SELECT * FROM s3('https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/users.parquet')
0 rows in set. Elapsed: 10.988 sec. Processed 22.48 million rows, 1.36 GB (2.05 million rows/s., 124.10 MB/s.)
```
### Badges
```sql
CREATE TABLE stackoverflow.badges
(
`Id` UInt32,
`UserId` Int32,
`Name` LowCardinality(String),
`Date` DateTime64(3, 'UTC'),
`Class` Enum8('Gold' = 1, 'Silver' = 2, 'Bronze' = 3),
`TagBased` Bool
)
ENGINE = MergeTree
ORDER BY UserId
INSERT INTO stackoverflow.badges SELECT * FROM s3('https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/badges.parquet')
0 rows in set. Elapsed: 6.635 sec. Processed 51.29 million rows, 797.05 MB (7.73 million rows/s., 120.13 MB/s.)
```
### `PostLinks`
```sql
CREATE TABLE stackoverflow.postlinks
(
`Id` UInt64,
`CreationDate` DateTime64(3, 'UTC'),
`PostId` Int32,
`RelatedPostId` Int32,
`LinkTypeId` Enum8('Linked' = 1, 'Duplicate' = 3)
)
ENGINE = MergeTree
ORDER BY (PostId, RelatedPostId)
INSERT INTO stackoverflow.postlinks SELECT * FROM s3('https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/postlinks.parquet')
0 rows in set. Elapsed: 1.534 sec. Processed 6.55 million rows, 129.70 MB (4.27 million rows/s., 84.57 MB/s.)
```
### `PostHistory`
```sql
CREATE TABLE stackoverflow.posthistory
(
`Id` UInt64,
`PostHistoryTypeId` UInt8,
`PostId` Int32,
`RevisionGUID` String,
`CreationDate` DateTime64(3, 'UTC'),
`UserId` Int32,
`Text` String,
`ContentLicense` LowCardinality(String),
`Comment` String,
`UserDisplayName` String
)
ENGINE = MergeTree
ORDER BY (CreationDate, PostId)
INSERT INTO stackoverflow.posthistory SELECT * FROM s3('https://datasets-documentation.s3.eu-west-3.amazonaws.com/stackoverflow/parquet/posthistory/*.parquet')
0 rows in set. Elapsed: 422.795 sec. Processed 160.79 million rows, 67.08 GB (380.30 thousand rows/s., 158.67 MB/s.)
```
## Original dataset
The original dataset is available in compressed (7zip) XML format at [https://archive.org/download/stackexchange](https://archive.org/download/stackexchange) - files with prefix `stackoverflow.com*`.
### Download
```bash
wget https://archive.org/download/stackexchange/stackoverflow.com-Badges.7z
wget https://archive.org/download/stackexchange/stackoverflow.com-Comments.7z
wget https://archive.org/download/stackexchange/stackoverflow.com-PostHistory.7z
wget https://archive.org/download/stackexchange/stackoverflow.com-PostLinks.7z
wget https://archive.org/download/stackexchange/stackoverflow.com-Posts.7z
wget https://archive.org/download/stackexchange/stackoverflow.com-Users.7z
wget https://archive.org/download/stackexchange/stackoverflow.com-Votes.7z
```
These files are up to 35GB and can take around 30 mins to download depending on internet connection - the download server throttles at around 20MB/sec.
### Convert to JSON
At the time of writing, ClickHouse does not have native support for XML as an input format. To load the data into ClickHouse we first convert to NDJSON.
To convert XML to JSON we recommend the [`xq`](https://github.com/kislyuk/yq) linux tool, a simple `jq` wrapper for XML documents.
Install xq and jq:
```bash
sudo apt install jq
pip install yq
```
The following steps apply to any of the above files. We use the `stackoverflow.com-Posts.7z` file as an example. Modify as required.
Extract the file using [p7zip](https://p7zip.sourceforge.net/). This will produce a single xml file - in this case `Posts.xml`.
> Files are compressed approximately 4.5x. At 22GB compressed, the posts file requires around 97G uncompressed.
```bash
p7zip -d stackoverflow.com-Posts.7z
```
The following splits the xml file into files, each containing 10000 rows.
```bash
mkdir posts
cd posts
# the following splits the input xml file into sub files of 10000 rows
tail +3 ../Posts.xml | head -n -1 | split -l 10000 --filter='{ printf "<rows>\n"; cat - ; printf "</rows>\n"; } > $FILE' -
```
After running the above users will have a set of files, each with 10000 lines. This ensures the memory overhead of the next command is not excessive (xml to JSON conversion is done in memory).
```bash
find . -maxdepth 1 -type f -exec xq -c '.rows.row[]' {} \; | sed -e 's:"@:":g' > posts_v2.json
```
The above command will produce a single `posts.json` file.
Load into ClickHouse with the following command. Note the schema is specified for the `posts.json` file. This will need to be adjusted per data type to align with the target table.
```bash
clickhouse local --query "SELECT * FROM file('posts.json', JSONEachRow, 'Id Int32, PostTypeId UInt8, AcceptedAnswerId UInt32, CreationDate DateTime64(3, \'UTC\'), Score Int32, ViewCount UInt32, Body String, OwnerUserId Int32, OwnerDisplayName String, LastEditorUserId Int32, LastEditorDisplayName String, LastEditDate DateTime64(3, \'UTC\'), LastActivityDate DateTime64(3, \'UTC\'), Title String, Tags String, AnswerCount UInt16, CommentCount UInt8, FavoriteCount UInt8, ContentLicense String, ParentId String, CommunityOwnedDate DateTime64(3, \'UTC\'), ClosedDate DateTime64(3, \'UTC\')') FORMAT Native" | clickhouse client --host <host> --secure --password <password> --query "INSERT INTO stackoverflow.posts_v2 FORMAT Native"
```
## Example queries
A few simple questions to you get started.
### Most popular tags on Stack Overflow
```sql
SELECT
arrayJoin(arrayFilter(t -> (t != ''), splitByChar('|', Tags))) AS Tags,
count() AS c
FROM stackoverflow.posts
GROUP BY Tags
ORDER BY c DESC
LIMIT 10
┌─Tags───────┬───────c─┐
│ javascript │ 2527130 │
│ python │ 2189638 │
│ java │ 1916156 │
│ c# │ 1614236 │
│ php │ 1463901 │
│ android │ 1416442 │
│ html │ 1186567 │
│ jquery │ 1034621 │
│ c++ │ 806202 │
│ css │ 803755 │
└────────────┴─────────┘
10 rows in set. Elapsed: 1.013 sec. Processed 59.82 million rows, 1.21 GB (59.07 million rows/s., 1.19 GB/s.)
Peak memory usage: 224.03 MiB.
```
### User with the most answers (active accounts)
Account requires a `UserId`.
```sql
SELECT
any(OwnerUserId) UserId,
OwnerDisplayName,
count() AS c
FROM stackoverflow.posts WHERE OwnerDisplayName != '' AND PostTypeId='Answer' AND OwnerUserId != 0
GROUP BY OwnerDisplayName
ORDER BY c DESC
LIMIT 5
┌─UserId─┬─OwnerDisplayName─┬────c─┐
│ 22656 │ Jon Skeet │ 2727 │
│ 23354 │ Marc Gravell │ 2150 │
│ 12950 │ tvanfosson │ 1530 │
│ 3043 │ Joel Coehoorn │ 1438 │
│ 10661 │ S.Lott │ 1087 │
└────────┴──────────────────┴──────┘
5 rows in set. Elapsed: 0.154 sec. Processed 35.83 million rows, 193.39 MB (232.33 million rows/s., 1.25 GB/s.)
Peak memory usage: 206.45 MiB.
```
### ClickHouse related posts with the most views
```sql
SELECT
Id,
Title,
ViewCount,
AnswerCount
FROM stackoverflow.posts
WHERE Title ILIKE '%ClickHouse%'
ORDER BY ViewCount DESC
LIMIT 10
┌───────Id─┬─Title────────────────────────────────────────────────────────────────────────────┬─ViewCount─┬─AnswerCount─┐
│ 52355143 │ Is it possible to delete old records from clickhouse table? │ 41462 │ 3 │
│ 37954203 │ Clickhouse Data Import │ 38735 │ 3 │
│ 37901642 │ Updating data in Clickhouse │ 36236 │ 6 │
│ 58422110 │ Pandas: How to insert dataframe into Clickhouse │ 29731 │ 4 │
│ 63621318 │ DBeaver - Clickhouse - SQL Error [159] .. Read timed out │ 27350 │ 1 │
│ 47591813 │ How to filter clickhouse table by array column contents? │ 27078 │ 2 │
│ 58728436 │ How to search the string in query with case insensitive on Clickhouse database? │ 26567 │ 3 │
│ 65316905 │ Clickhouse: DB::Exception: Memory limit (for query) exceeded │ 24899 │ 2 │
│ 49944865 │ How to add a column in clickhouse │ 24424 │ 1 │
│ 59712399 │ How to cast date Strings to DateTime format with extended parsing in ClickHouse? │ 22620 │ 1 │
└──────────┴──────────────────────────────────────────────────────────────────────────────────┴───────────┴─────────────┘
10 rows in set. Elapsed: 0.472 sec. Processed 59.82 million rows, 1.91 GB (126.63 million rows/s., 4.03 GB/s.)
Peak memory usage: 240.01 MiB.
```
### Most controversial posts
```sql
SELECT
Id,
Title,
UpVotes,
DownVotes,
abs(UpVotes - DownVotes) AS Controversial_ratio
FROM stackoverflow.posts
INNER JOIN
(
SELECT
PostId,
countIf(VoteTypeId = 2) AS UpVotes,
countIf(VoteTypeId = 3) AS DownVotes
FROM stackoverflow.votes
GROUP BY PostId
HAVING (UpVotes > 10) AND (DownVotes > 10)
) AS votes ON posts.Id = votes.PostId
WHERE Title != ''
ORDER BY Controversial_ratio ASC
LIMIT 3
┌───────Id─┬─Title─────────────────────────────────────────────┬─UpVotes─┬─DownVotes─┬─Controversial_ratio─┐
│ 583177 │ VB.NET Infinite For Loop │ 12 │ 12 │ 0 │
│ 9756797 │ Read console input as enumerable - one statement? │ 16 │ 16 │ 0 │
│ 13329132 │ What's the point of ARGV in Ruby? │ 22 │ 22 │ 0 │
└──────────┴───────────────────────────────────────────────────┴─────────┴───────────┴─────────────────────┘
3 rows in set. Elapsed: 4.779 sec. Processed 298.80 million rows, 3.16 GB (62.52 million rows/s., 661.05 MB/s.)
Peak memory usage: 6.05 GiB.
```
## Attribution
We thank Stack Overflow for providing this data under the `cc-by-sa 4.0` license, acknowledging their efforts and the original source of the data at [https://archive.org/details/stackexchange](https://archive.org/details/stackexchange).

2
docs/en/getting-started/install.md
View File

@ -314,7 +314,7 @@ For example, to download a aarch64 binary for ClickHouse v23.4, follow these ste
- Find the GitHub pull request for release v23.4: [Release pull request for branch 23.4](https://github.com/ClickHouse/ClickHouse/pull/49238)
- Click "Commits", then click a commit similar to "Update autogenerated version to 23.4.2.1 and contributors" for the particular version you like to install.
- Click the green check / yellow dot / red cross to open the list of CI checks.
- Click "Details" next to "ClickHouse Build Check" in the list, it will open a page similar to [this page](https://s3.amazonaws.com/clickhouse-test-reports/46793/b460eb70bf29b19eadd19a1f959b15d186705394/clickhouse_build_check/report.html)
- Click "Details" next to "Builds" in the list, it will open a page similar to [this page](https://s3.amazonaws.com/clickhouse-test-reports/46793/b460eb70bf29b19eadd19a1f959b15d186705394/clickhouse_build_check/report.html)
- Find the rows with compiler = "clang-*-aarch64" - there are multiple rows.
- Download the artifacts for these builds.

1
docs/en/interfaces/cli.md
View File

@ -193,6 +193,7 @@ You can pass parameters to `clickhouse-client` (all parameters have a default va
- `--hardware-utilization` — Print hardware utilization information in progress bar.
- `--print-profile-events` – Print `ProfileEvents` packets.
- `--profile-events-delay-ms` – Delay between printing `ProfileEvents` packets (-1 - print only totals, 0 - print every single packet).
- `--jwt` – If specified, enables authorization via JSON Web Token. Server JWT authorization is available only in ClickHouse Cloud.
Instead of `--host`, `--port`, `--user` and `--password` options, ClickHouse client also supports connection strings (see next section).

3
docs/en/interfaces/formats.md
View File

@ -1490,6 +1490,8 @@ Differs from [PrettySpaceNoEscapes](#prettyspacenoescapes) in that up to 10,000
- [output_format_pretty_color](/docs/en/operations/settings/settings-formats.md/#output_format_pretty_color) - use ANSI escape sequences to paint colors in Pretty formats. Default value - `true`.
- [output_format_pretty_grid_charset](/docs/en/operations/settings/settings-formats.md/#output_format_pretty_grid_charset) - Charset for printing grid borders. Available charsets: ASCII, UTF-8. Default value - `UTF-8`.
- [output_format_pretty_row_numbers](/docs/en/operations/settings/settings-formats.md/#output_format_pretty_row_numbers) - Add row numbers before each row for pretty output format. Default value - `true`.
- [output_format_pretty_display_footer_column_names](/docs/en/operations/settings/settings-formats.md/#output_format_pretty_display_footer_column_names) - Display column names in the footer if table contains many rows. Default value - `true`.
- [output_format_pretty_display_footer_column_names_min_rows](/docs/en/operations/settings/settings-formats.md/#output_format_pretty_display_footer_column_names_min_rows) - Sets the minimum number of rows for which a footer will be displayed if [output_format_pretty_display_footer_column_names](/docs/en/operations/settings/settings-formats.md/#output_format_pretty_display_footer_column_names) is enabled. Default value - 50.
## RowBinary {#rowbinary}
@ -2167,6 +2169,7 @@ To exchange data with Hadoop, you can use [HDFS table engine](/docs/en/engines/t
- [output_format_parquet_compression_method](/docs/en/operations/settings/settings-formats.md/#output_format_parquet_compression_method) - compression method used in output Parquet format. Default value - `lz4`.
- [input_format_parquet_max_block_size](/docs/en/operations/settings/settings-formats.md/#input_format_parquet_max_block_size) - Max block row size for parquet reader. Default value - `65409`.
- [input_format_parquet_prefer_block_bytes](/docs/en/operations/settings/settings-formats.md/#input_format_parquet_prefer_block_bytes) - Average block bytes output by parquet reader. Default value - `16744704`.
- [output_format_parquet_write_page_index](/docs/en/operations/settings/settings-formats.md/#input_format_parquet_max_block_size) - Add a possibility to write page index into parquet files. Need to disable `output_format_parquet_use_custom_encoder` at present. Default value - `true`.
## ParquetMetadata {data-format-parquet-metadata}

37
docs/en/interfaces/http.md
View File

@ -508,7 +508,7 @@ Now `rule` can configure `method`, `headers`, `url`, `handler`:
- `headers` are responsible for matching the header part of the HTTP request. It is compatible with RE2’s regular expressions. It is an optional configuration. If it is not defined in the configuration file, it does not match the header portion of the HTTP request.
- `handler` contains the main processing part. Now `handler` can configure `type`, `status`, `content_type`, `response_content`, `query`, `query_param_name`.
- `handler` contains the main processing part. Now `handler` can configure `type`, `status`, `content_type`, `http_response_headers`, `response_content`, `query`, `query_param_name`.
`type` currently supports three types: [predefined_query_handler](#predefined_query_handler), [dynamic_query_handler](#dynamic_query_handler), [static](#static).
- `query` — use with `predefined_query_handler` type, executes query when the handler is called.
@ -519,6 +519,8 @@ Now `rule` can configure `method`, `headers`, `url`, `handler`:
- `content_type` — use with any type, response [content-type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Type).
- `http_response_headers` — use with any type, response headers map. Could be used to set content type as well.
- `response_content` — use with `static` type, response content sent to client, when using the prefix ‘file://’ or ‘config://’, find the content from the file or configuration sends to client.
Next are the configuration methods for different `type`.
@ -616,6 +618,33 @@ Return a message.
<type>static</type>
<status>402</status>
<content_type>text/html; charset=UTF-8</content_type>
<http_response_headers>
<Content-Language>en</Content-Language>
<X-My-Custom-Header>43</X-My-Custom-Header>
</http_response_headers>
<response_content>Say Hi!</response_content>
</handler>
</rule>
<defaults/>
</http_handlers>
```
`http_response_headers` could be used to set content type instead of `content_type`.
``` xml
<http_handlers>
<rule>
<methods>GET</methods>
<headers><XXX>xxx</XXX></headers>
<url>/hi</url>
<handler>
<type>static</type>
<status>402</status>
<http_response_headers>
<Content-Type>text/html; charset=UTF-8</Content-Type>
<Content-Language>en</Content-Language>
<X-My-Custom-Header>43</X-My-Custom-Header>
</http_response_headers>
<response_content>Say Hi!</response_content>
</handler>
</rule>
@ -696,6 +725,9 @@ Find the content from the file send to client.
<handler>
<type>static</type>
<content_type>text/html; charset=UTF-8</content_type>
<http_response_headers>
<ETag>737060cd8c284d8af7ad3082f209582d</ETag>
</http_response_headers>
<response_content>file:///absolute_path_file.html</response_content>
</handler>
</rule>
@ -706,6 +738,9 @@ Find the content from the file send to client.
<handler>
<type>static</type>
<content_type>text/html; charset=UTF-8</content_type>
<http_response_headers>
<ETag>737060cd8c284d8af7ad3082f209582d</ETag>
</http_response_headers>
<response_content>file://./relative_path_file.html</response_content>
</handler>
</rule>

50
docs/en/interfaces/mysql.md
View File

@ -31,6 +31,56 @@ Alternatively, in order to enable the MySQL interface for an existing service:
3. After entering the password, you will get prompted the MySQL connection string for this service
![Connection screen - MySQL Enabled](./images/mysql5.png)
## Creating multiple MySQL users in ClickHouse Cloud
By default, there is a built-in `mysql4<subdomain>` user, which uses the same password as the `default` one. The `<subdomain>` part is the first segment of your ClickHouse Cloud hostname. This format is necessary to work with the tools that implement secure connection, but don't provide [SNI information in their TLS handshake](https://www.cloudflare.com/learning/ssl/what-is-sni), which makes it impossible to do the internal routing without an extra hint in the username (MySQL console client is one of such tools).
Because of this, we _highly recommend_ following the `mysql4<subdomain>_<username>` format when creating a new user intended to be used with the MySQL interface, where `<subdomain>` is a hint to identify your Cloud service, and `<username>` is an arbitrary suffix of your choice.
:::tip
For ClickHouse Cloud hostname like `foobar.us-east1.aws.clickhouse.cloud`, the `<subdomain>` part equals to `foobar`, and a custom MySQL username could look like `mysql4foobar_team1`.
:::
You can create extra users to use with the MySQL interface if, for example, you need to apply extra settings.
1. Optional - create a [settings profile](https://clickhouse.com/docs/en/sql-reference/statements/create/settings-profile) to apply for your custom user. For example, `my_custom_profile` with an extra setting which will be applied by default when we connect with the user we create later:
```sql
CREATE SETTINGS PROFILE my_custom_profile SETTINGS prefer_column_name_to_alias=1;
```
`prefer_column_name_to_alias` is used just as an example, you can use other settings there.
2. [Create a user](https://clickhouse.com/docs/en/sql-reference/statements/create/user) using the following format: `mysql4<subdomain>_<username>` ([see above](#creating-multiple-mysql-users-in-clickhouse-cloud)). The password must be in double SHA1 format. For example:
```sql
CREATE USER mysql4foobar_team1 IDENTIFIED WITH double_sha1_password BY 'YourPassword42$';
```
or if you want to use a custom profile for this user:
```sql
CREATE USER mysql4foobar_team1 IDENTIFIED WITH double_sha1_password BY 'YourPassword42$' SETTINGS PROFILE 'my_custom_profile';
```
where `my_custom_profile` is the name of the profile you created earlier.
3. [Grant](https://clickhouse.com/docs/en/sql-reference/statements/grant) the new user the necessary permissions to interact with the desired tables or databases. For example, if you want to grant access to `system.query_log` only:
```sql
GRANT SELECT ON system.query_log TO mysql4foobar_team1;
```
4. Use the created user to connect to your ClickHouse Cloud service with the MySQL interface.
### Troubleshooting multiple MySQL users in ClickHouse Cloud
If you created a new MySQL user, and you see the following error while connecting via MySQL CLI client:
```
ERROR 2013 (HY000): Lost connection to MySQL server at 'reading authorization packet', system error: 54
```
In this case, ensure that the username follows the `mysql4<subdomain>_<username>` format, as described ([above](#creating-multiple-mysql-users-in-clickhouse-cloud)).
## Enabling the MySQL Interface On Self-managed ClickHouse
Add the [mysql_port](../operations/server-configuration-parameters/settings.md#server_configuration_parameters-mysql_port) setting to your server's configuration file. For example, you could define the port in a new XML file in your `config.d/` [folder](../operations/configuration-files):

6
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View File

@ -59,10 +59,10 @@ For that, we need to use `jemalloc`'s tool called [jeprof](https://github.com/je
If that’s the case, we recommend installing an [alternative implementation](https://github.com/gimli-rs/addr2line) of the tool.
```
git clone https://github.com/gimli-rs/addr2line
git clone https://github.com/gimli-rs/addr2line.git --depth=1 --branch=0.23.0
cd addr2line
cargo b --examples -r
cp ./target/release/examples/addr2line path/to/current/addr2line
cargo build --features bin --release
cp ./target/release/addr2line path/to/current/addr2line
```
:::

15
docs/en/operations/external-authenticators/ssl-x509.md
View File

@ -6,23 +6,30 @@ import SelfManaged from '@site/docs/en/_snippets/_self_managed_only_no_roadmap.m
<SelfManaged />
[SSL 'strict' option](../server-configuration-parameters/settings.md#server_configuration_parameters-openssl) enables mandatory certificate validation for the incoming connections. In this case, only connections with trusted certificates can be established. Connections with untrusted certificates will be rejected. Thus, certificate validation allows to uniquely authenticate an incoming connection. `Common Name` field of the certificate is used to identify connected user. This allows to associate multiple certificates with the same user. Additionally, reissuing and revoking of the certificates does not affect the ClickHouse configuration.
[SSL 'strict' option](../server-configuration-parameters/settings.md#server_configuration_parameters-openssl) enables mandatory certificate validation for the incoming connections. In this case, only connections with trusted certificates can be established. Connections with untrusted certificates will be rejected. Thus, certificate validation allows to uniquely authenticate an incoming connection. `Common Name` or `subjectAltName extension` field of the certificate is used to identify the connected user. This allows to associate multiple certificates with the same user. Additionally, reissuing and revoking of the certificates does not affect the ClickHouse configuration.
To enable SSL certificate authentication, a list of `Common Name`'s for each ClickHouse user must be specified in the settings file `users.xml `:
To enable SSL certificate authentication, a list of `Common Name`'s or `Subject Alt Name`'s for each ClickHouse user must be specified in the settings file `users.xml `:
**Example**
```xml
<clickhouse>
<!- ... -->
<users>
<user_name>
<user_name_1>
<ssl_certificates>
<common_name>host.domain.com:example_user</common_name>
<common_name>host.domain.com:example_user_dev</common_name>
<!-- More names -->
</ssl_certificates>
<!-- Other settings -->
</user_name>
</user_name_1>
<user_name_2>
<ssl_certificates>
<subject_alt_name>DNS:host.domain.com</subject_alt_name>
<!-- More names -->
</ssl_certificates>
<!-- Other settings -->
</user_name_2>
</users>
</clickhouse>
```

4
docs/en/operations/named-collections.md
View File

@ -5,6 +5,10 @@ sidebar_label: "Named collections"
title: "Named collections"
---
import CloudNotSupportedBadge from '@theme/badges/CloudNotSupportedBadge';
<CloudNotSupportedBadge />
Named collections provide a way to store collections of key-value pairs to be
used to configure integrations with external sources. You can use named collections with
dictionaries, tables, table functions, and object storage.

98
docs/en/operations/server-configuration-parameters/settings.md
View File

@ -498,6 +498,8 @@ Default: 0.9
Interval in seconds during which the server's maximum allowed memory consumption is adjusted by the corresponding threshold in cgroups. (see
settings `cgroup_memory_watcher_hard_limit_ratio` and `cgroup_memory_watcher_soft_limit_ratio`).
To disable the cgroup observer, set this value to `0`.
Type: UInt64
Default: 15
@ -591,6 +593,22 @@ Default value: 100000
<max_part_num_to_warn>400</max_part_num_to_warn>
```
## max\_table\_num\_to\_throw {#max-table-num-to-throw}
If number of tables is greater than this value, server will throw an exception. 0 means no limitation. View, remote tables, dictionary, system tables are not counted. Only count table in Atomic/Ordinary/Replicated/Lazy database engine.Default value: 0
**Example**
```xml
<max_table_num_to_throw>400</max_table_num_to_throw>
```
## max\_database\_num\_to\_throw {#max-table-num-to-throw}
If number of _database is greater than this value, server will throw an exception. 0 means no limitation.
Default value: 0
**Example**
```xml
<max_database_num_to_throw>400</max_database_num_to_throw>
```
## max_temporary_data_on_disk_size
@ -938,6 +956,38 @@ Or it can be set in hex:
Everything mentioned above can be applied for `aes_256_gcm_siv` (but the key must be 32 bytes long).
## error_log {#error_log}
It is disabled by default.
**Enabling**
To manually turn on error history collection [`system.error_log`](../../operations/system-tables/error_log.md), create `/etc/clickhouse-server/config.d/error_log.xml` with the following content:
``` xml
<clickhouse>
<error_log>
<database>system</database>
<table>error_log</table>
<flush_interval_milliseconds>7500</flush_interval_milliseconds>
<collect_interval_milliseconds>1000</collect_interval_milliseconds>
<max_size_rows>1048576</max_size_rows>
<reserved_size_rows>8192</reserved_size_rows>
<buffer_size_rows_flush_threshold>524288</buffer_size_rows_flush_threshold>
<flush_on_crash>false</flush_on_crash>
</error_log>
</clickhouse>
```
**Disabling**
To disable `error_log` setting, you should create the following file `/etc/clickhouse-server/config.d/disable_error_log.xml` with the following content:
``` xml
<clickhouse>
<error_log remove="1" />
</clickhouse>
```
## custom_settings_prefixes {#custom_settings_prefixes}
@ -1415,6 +1465,9 @@ Keys:
- `size` – Size of the file. Applies to `log` and `errorlog`. Once the file reaches `size`, ClickHouse archives and renames it, and creates a new log file in its place.
- `count` – The number of archived log files that ClickHouse stores.
- `console` – Send `log` and `errorlog` to the console instead of file. To enable, set to `1` or `true`.
- `console_log_level` – Logging level for console. Default to `level`.
- `use_syslog` - Log to syslog as well.
- `syslog_level` - Logging level for logging to syslog.
- `stream_compress` – Compress `log` and `errorlog` with `lz4` stream compression. To enable, set to `1` or `true`.
- `formatting` – Specify log format to be printed in console log (currently only `json` supported).
@ -1901,7 +1954,7 @@ For more information, see the MergeTreeSettings.h header file.
## metric_log {#metric_log}
It is enabled by default. If it`s not, you can do this manually.
It is disabled by default.
**Enabling**
@ -2924,6 +2977,8 @@ Define proxy servers for HTTP and HTTPS requests, currently supported by S3 stor
There are three ways to define proxy servers: environment variables, proxy lists, and remote proxy resolvers.
Bypassing proxy servers for specific hosts is also supported with the use of `no_proxy`.
### Environment variables
The `http_proxy` and `https_proxy` environment variables allow you to specify a
@ -3033,6 +3088,29 @@ This also allows a mix of resolver types can be used.
By default, tunneling (i.e, `HTTP CONNECT`) is used to make `HTTPS` requests over `HTTP` proxy. This setting can be used to disable it.
### no_proxy
By default, all requests will go through the proxy. In order to disable it for specific hosts, the `no_proxy` variable must be set.
It can be set inside the `<proxy>` clause for list and remote resolvers and as an environment variable for environment resolver.
It supports IP addresses, domains, subdomains and `'*'` wildcard for full bypass. Leading dots are stripped just like curl does.
Example:
The below configuration bypasses proxy requests to `clickhouse.cloud` and all of its subdomains (e.g, `auth.clickhouse.cloud`).
The same applies to GitLab, even though it has a leading dot. Both `gitlab.com` and `about.gitlab.com` would bypass the proxy.
``` xml
<proxy>
<no_proxy>clickhouse.cloud,.gitlab.com</no_proxy>
<http>
<uri>http://proxy1</uri>
<uri>http://proxy2:3128</uri>
</http>
<https>
<uri>http://proxy1:3128</uri>
</https>
</proxy>
```
## max_materialized_views_count_for_table {#max_materialized_views_count_for_table}
A limit on the number of materialized views attached to a table.
@ -3059,3 +3137,21 @@ This setting is only necessary for the migration period and will become obsolete
Type: Bool
Default: 1
## merge_workload {#merge_workload}
Used to regulate how resources are utilized and shared between merges and other workloads. Specified value is used as `workload` setting value for all background merges. Can be overridden by a merge tree setting.
Default value: "default"
**See Also**
- [Workload Scheduling](/docs/en/operations/workload-scheduling.md)
## mutation_workload {#mutation_workload}
Used to regulate how resources are utilized and shared between mutations and other workloads. Specified value is used as `workload` setting value for all background mutations. Can be overridden by a merge tree setting.
Default value: "default"
**See Also**
- [Workload Scheduling](/docs/en/operations/workload-scheduling.md)

18
docs/en/operations/settings/merge-tree-settings.md
View File

@ -974,6 +974,24 @@ Default value: false
- [exclude_deleted_rows_for_part_size_in_merge](#exclude_deleted_rows_for_part_size_in_merge) setting
## merge_workload
Used to regulate how resources are utilized and shared between merges and other workloads. Specified value is used as `workload` setting value for background merges of this table. If not specified (empty string), then server setting `merge_workload` is used instead.
Default value: an empty string
**See Also**
- [Workload Scheduling](/docs/en/operations/workload-scheduling.md)
## mutation_workload
Used to regulate how resources are utilized and shared between mutations and other workloads. Specified value is used as `workload` setting value for background mutations of this table. If not specified (empty string), then server setting `mutation_workload` is used instead.
Default value: an empty string
**See Also**
- [Workload Scheduling](/docs/en/operations/workload-scheduling.md)
### optimize_row_order
Controls if the row order should be optimized during inserts to improve the compressability of the newly inserted table part.

44
docs/en/operations/settings/settings-formats.md
View File

@ -1428,6 +1428,13 @@ Average block bytes output by parquet reader. Lowering the configuration in the
Default value: `65409 * 256 = 16744704`
### output_format_parquet_write_page_index {#input_format_parquet_max_block_size}
Could add page index into parquet files. To enable this, need set `output_format_parquet_use_custom_encoder`=`false` and
`output_format_parquet_write_page_index`=`true`.
Enable by default.
## Hive format settings {#hive-format-settings}
### input_format_hive_text_fields_delimiter {#input_format_hive_text_fields_delimiter}
@ -1706,6 +1713,43 @@ Result:
└────────────┘
```
## output_format_pretty_display_footer_column_names
Display column names in the footer if there are many table rows.
Possible values:
- 0 — No column names are displayed in the footer.
- 1 — Column names are displayed in the footer if row count is greater than or equal to the threshold value set by [output_format_pretty_display_footer_column_names_min_rows](#output_format_pretty_display_footer_column_names_min_rows) (50 by default).
Default value: `1`.
**Example**
Query:
```sql
SELECT *, toTypeName(*) FROM (SELECT * FROM system.numbers LIMIT 1000);
```
Result:
```response
┌─number─┬─toTypeName(number)─┐
1. │ 0 │ UInt64 │
2. │ 1 │ UInt64 │
3. │ 2 │ UInt64 │
...
999. │ 998 │ UInt64 │
1000. │ 999 │ UInt64 │
└─number─┴─toTypeName(number)─┘
```
## output_format_pretty_display_footer_column_names_min_rows
Sets the minimum number of rows for which a footer with column names will be displayed if setting [output_format_pretty_display_footer_column_names](#output_format_pretty_display_footer_column_names) is enabled.
Default value: `50`.
## Template format settings {#template-format-settings}
### format_template_resultset {#format_template_resultset}

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@ -1592,19 +1592,19 @@ Default value: `default`.
## parallel_replicas_custom_key_range_lower {#parallel_replicas_custom_key_range_lower}
Allows the filter type `range` to split the work evenly between replicas based on the custom range `[parallel_replicas_custom_key_range_lower, INT_MAX]`.
Allows the filter type `range` to split the work evenly between replicas based on the custom range `[parallel_replicas_custom_key_range_lower, INT_MAX]`.
When used in conjuction with [parallel_replicas_custom_key_range_upper](#parallel_replicas_custom_key_range_upper), it lets the filter evenly split the work over replicas for the range `[parallel_replicas_custom_key_range_lower, parallel_replicas_custom_key_range_upper]`.
When used in conjuction with [parallel_replicas_custom_key_range_upper](#parallel_replicas_custom_key_range_upper), it lets the filter evenly split the work over replicas for the range `[parallel_replicas_custom_key_range_lower, parallel_replicas_custom_key_range_upper]`.
Note: This setting will not cause any additional data to be filtered during query processing, rather it changes the points at which the range filter breaks up the range `[0, INT_MAX]` for parallel processing.
Note: This setting will not cause any additional data to be filtered during query processing, rather it changes the points at which the range filter breaks up the range `[0, INT_MAX]` for parallel processing.
## parallel_replicas_custom_key_range_upper {#parallel_replicas_custom_key_range_upper}
Allows the filter type `range` to split the work evenly between replicas based on the custom range `[0, parallel_replicas_custom_key_range_upper]`. A value of 0 disables the upper bound, setting it the max value of the custom key expression.
When used in conjuction with [parallel_replicas_custom_key_range_lower](#parallel_replicas_custom_key_range_lower), it lets the filter evenly split the work over replicas for the range `[parallel_replicas_custom_key_range_lower, parallel_replicas_custom_key_range_upper]`.
When used in conjuction with [parallel_replicas_custom_key_range_lower](#parallel_replicas_custom_key_range_lower), it lets the filter evenly split the work over replicas for the range `[parallel_replicas_custom_key_range_lower, parallel_replicas_custom_key_range_upper]`.
Note: This setting will not cause any additional data to be filtered during query processing, rather it changes the points at which the range filter breaks up the range `[0, INT_MAX]` for parallel processing.
Note: This setting will not cause any additional data to be filtered during query processing, rather it changes the points at which the range filter breaks up the range `[0, INT_MAX]` for parallel processing.
## allow_experimental_parallel_reading_from_replicas
@ -3188,7 +3188,7 @@ Default value: `0`.
## lightweight_deletes_sync {#lightweight_deletes_sync}
The same as 'mutation_sync', but controls only execution of lightweight deletes.
The same as 'mutation_sync', but controls only execution of lightweight deletes.
Possible values:
@ -5150,7 +5150,7 @@ Allows using statistic to optimize the order of [prewhere conditions](../../sql-
## analyze_index_with_space_filling_curves
If a table has a space-filling curve in its index, e.g. `ORDER BY mortonEncode(x, y)`, and the query has conditions on its arguments, e.g. `x >= 10 AND x <= 20 AND y >= 20 AND y <= 30`, use the space-filling curve for index analysis.
If a table has a space-filling curve in its index, e.g. `ORDER BY mortonEncode(x, y)` or `ORDER BY hilbertEncode(x, y)`, and the query has conditions on its arguments, e.g. `x >= 10 AND x <= 20 AND y >= 20 AND y <= 30`, use the space-filling curve for index analysis.
## query_plan_enable_optimizations {#query_plan_enable_optimizations}
@ -5418,6 +5418,15 @@ When set to `false` than all attempts are made with identical timeouts.
Default value: `true`.
## allow_deprecated_snowflake_conversion_functions {#allow_deprecated_snowflake_conversion_functions}
Functions `snowflakeToDateTime`, `snowflakeToDateTime64`, `dateTimeToSnowflake`, and `dateTime64ToSnowflake` are deprecated and disabled by default.
Please use functions `snowflakeIDToDateTime`, `snowflakeIDToDateTime64`, `dateTimeToSnowflakeID`, and `dateTime64ToSnowflakeID` instead.
To re-enable the deprecated functions (e.g., during a transition period), please set this setting to `true`.
Default value: `false`
## allow_experimental_variant_type {#allow_experimental_variant_type}
Allows creation of experimental [Variant](../../sql-reference/data-types/variant.md).

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@ -639,6 +639,10 @@ An internal metric of the low-level memory allocator (jemalloc). See https://jem
An internal metric of the low-level memory allocator (jemalloc). See https://jemalloc.net/jemalloc.3.html
### jemalloc.prof.active
An internal metric of the low-level memory allocator (jemalloc). See https://jemalloc.net/jemalloc.3.html
**See Also**
- [Monitoring](../../operations/monitoring.md) — Base concepts of ClickHouse monitoring.

39
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@ -0,0 +1,39 @@
---
slug: /en/operations/system-tables/error_log
---
# error_log
Contains history of error values from table `system.errors`, periodically flushed to disk.
Columns:
- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
- `event_date` ([Date](../../sql-reference/data-types/date.md)) — Event date.
- `event_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — Event time.
- `code` ([Int32](../../sql-reference/data-types/int-uint.md)) — Code number of the error.
- `error` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) - Name of the error.
- `value` ([UInt64](../../sql-reference/data-types/int-uint.md)) — The number of times this error happened.
- `remote` ([UInt8](../../sql-reference/data-types/int-uint.md)) — Remote exception (i.e. received during one of the distributed queries).
**Example**
``` sql
SELECT * FROM system.error_log LIMIT 1 FORMAT Vertical;
```
``` text
Row 1:
──────
hostname: clickhouse.eu-central1.internal
event_date: 2024-06-18
event_time: 2024-06-18 07:32:39
code: 999
error: KEEPER_EXCEPTION
value: 2
remote: 0
```
**See also**
- [error_log setting](../../operations/server-configuration-parameters/settings.md#error_log) — Enabling and disabling the setting.
- [system.errors](../../operations/system-tables/errors.md) — Contains error codes with the number of times they have been triggered.
- [Monitoring](../../operations/monitoring.md) — Base concepts of ClickHouse monitoring.

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@ -113,6 +113,8 @@ Columns:
- `used_functions` ([Array(String)](../../sql-reference/data-types/array.md)) — Canonical names of `functions`, which were used during query execution.
- `used_storages` ([Array(String)](../../sql-reference/data-types/array.md)) — Canonical names of `storages`, which were used during query execution.
- `used_table_functions` ([Array(String)](../../sql-reference/data-types/array.md)) — Canonical names of `table functions`, which were used during query execution.
- `used_privileges` ([Array(String)](../../sql-reference/data-types/array.md)) - Privileges which were successfully checked during query execution.
- `missing_privileges` ([Array(String)](../../sql-reference/data-types/array.md)) - Privileges that are missing during query execution.
- `query_cache_usage` ([Enum8](../../sql-reference/data-types/enum.md)) — Usage of the [query cache](../query-cache.md) during query execution. Values:
- `'Unknown'` = Status unknown.
- `'None'` = The query result was neither written into nor read from the query cache.
@ -194,6 +196,8 @@ used_formats: []
used_functions: []
used_storages: []
used_table_functions: []
used_privileges: []
missing_privileges: []
query_cache_usage: None
```

21
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@ -36,9 +36,24 @@ $ echo 0 | sudo tee /proc/sys/vm/overcommit_memory
Use `perf top` to watch the time spent in the kernel for memory management.
Permanent huge pages also do not need to be allocated.
:::warning
If your system has less than 16 GB of RAM, you may experience various memory exceptions because default settings do not match this amount of memory. The recommended amount of RAM is 32 GB or more. You can use ClickHouse in a system with a small amount of RAM, even with 2 GB of RAM, but it requires additional tuning and can ingest at a low rate.
:::
### Using less than 16GB of RAM
The recommended amount of RAM is 32 GB or more.
If your system has less than 16 GB of RAM, you may experience various memory exceptions because default settings do not match this amount of memory. You can use ClickHouse in a system with a small amount of RAM (as low as 2 GB), but these setups require additional tuning and can only ingest at a low rate.
When using ClickHouse with less than 16GB of RAM, we recommend the following:
- Lower the size of the mark cache in the `config.xml`. It can be set as low as 500 MB, but it cannot be set to zero.
- Lower the number of query processing threads down to `1`.
- Lower the `max_block_size` to `8192`. Values as low as `1024` can still be practical.
- Lower `max_download_threads` to `1`.
- Set `input_format_parallel_parsing` and `output_format_parallel_formatting` to `0`.
Additional notes:
- To flush the memory cached by the memory allocator, you can run the `SYSTEM JEMALLOC PURGE`
command.
- We do not recommend using S3 or Kafka integrations on low-memory machines because they require significant memory for buffers.
## Storage Subsystem {#storage-subsystem}

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@ -236,10 +236,10 @@ Read 2 rows, 32.00 B in 0.000 sec., 5182 rows/sec., 80.97 KiB/sec.
Previous example is the same as:
``` bash
$ echo -e "1,2\n3,4" | clickhouse-local --query "
$ echo -e "1,2\n3,4" | clickhouse-local -n --query "
CREATE TABLE table (a Int64, b Int64) ENGINE = File(CSV, stdin);
SELECT a, b FROM table;
DROP TABLE table"
DROP TABLE table;"
Read 2 rows, 32.00 B in 0.000 sec., 4987 rows/sec., 77.93 KiB/sec.
1 2
3 4

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@ -47,6 +47,8 @@ Example:
Queries can be marked with setting `workload` to distinguish different workloads. If `workload` is not set, than value "default" is used. Note that you are able to specify the other value using settings profiles. Setting constraints can be used to make `workload` constant if you want all queries from the user to be marked with fixed value of `workload` setting.
It is possible to assign a `workload` setting for background activities. Merges and mutations are using `merge_workload` and `mutation_workload` server settings correspondingly. These values can also be overridden for specific tables using `merge_workload` and `mutation_workload` merge tree settings
Let's consider an example of a system with two different workloads: "production" and "development".
```sql
@ -151,6 +153,9 @@ Example:
</clickhouse>
```
## See also
- [system.scheduler](/docs/en/operations/system-tables/scheduler.md)
- [merge_workload](/docs/en/operations/settings/merge-tree-settings.md#merge_workload) merge tree setting
- [merge_workload](/docs/en/operations/server-configuration-parameters/settings.md#merge_workload) global server setting
- [mutation_workload](/docs/en/operations/settings/merge-tree-settings.md#mutation_workload) merge tree setting
- [mutation_workload](/docs/en/operations/server-configuration-parameters/settings.md#mutation_workload) global server setting

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/analysis_of_variance
sidebar_position: 6
sidebar_position: 101
---
# analysisOfVariance

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/any
sidebar_position: 6
sidebar_position: 102
---
# any

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/anyheavy
sidebar_position: 103
sidebar_position: 104
---
# anyHeavy

2
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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/anylast
sidebar_position: 104
sidebar_position: 105
---
# anyLast

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/anylast_respect_nulls
sidebar_position: 104
sidebar_position: 106
---
# anyLast_respect_nulls

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/approxtopk
sidebar_position: 212
sidebar_position: 107
---
# approx_top_k

2
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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/approxtopsum
sidebar_position: 212
sidebar_position: 108
---
# approx_top_sum

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/argmax
sidebar_position: 106
sidebar_position: 109
---
# argMax

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/argmin
sidebar_position: 105
sidebar_position: 110
---
# argMin

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/array_concat_agg
sidebar_position: 110
sidebar_position: 111
---
# array_concat_agg

2
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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/avg
sidebar_position: 5
sidebar_position: 112
---
# avg

2
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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/avgweighted
sidebar_position: 107
sidebar_position: 113
---
# avgWeighted

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/boundingRatio
sidebar_position: 2
sidebar_position: 114
title: boundingRatio
---

2
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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/categoricalinformationvalue
sidebar_position: 250
sidebar_position: 115
title: categoricalInformationValue
---

2
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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/contingency
sidebar_position: 350
sidebar_position: 116
---
# contingency

2
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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/corr
sidebar_position: 107
sidebar_position: 117
---
# corr

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/corrmatrix
sidebar_position: 108
sidebar_position: 118
---
# corrMatrix

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/corrstable
sidebar_position: 107
sidebar_position: 119
---
# corrStable

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/count
sidebar_position: 1
sidebar_position: 120
---
# count

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/covarpop
sidebar_position: 37
sidebar_position: 121
---
# covarPop

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/covarpopmatrix
sidebar_position: 36
sidebar_position: 122
---
# covarPopMatrix

2
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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/covarpopstable
sidebar_position: 36
sidebar_position: 123
---
# covarPopStable

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/covarsamp
sidebar_position: 37
sidebar_position: 124
---
# covarSamp

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/covarsampmatrix
sidebar_position: 38
sidebar_position: 125
---
# covarSampMatrix

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/aggregate-functions/reference/covarsampstable
sidebar_position: 37
sidebar_position: 126
---
# covarSampStable

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