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Merge branch 'master' into minor_improve_hdfs_read_buffer

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*.pyc
__pycache__
*.pytest_cache
.mypy_cache
test.cpp
CPackConfig.cmake
@ -167,3 +168,4 @@ tests/integration/**/_gen
/rust/**/target
# It is autogenerated from *.in
/rust/**/.cargo/config.toml
/rust/**/vendor

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[submodule "contrib/wyhash"]
path = contrib/wyhash
url = https://github.com/wangyi-fudan/wyhash
[submodule "contrib/hashidsxx"]
path = contrib/hashidsxx
url = https://github.com/schoentoon/hashidsxx
[submodule "contrib/nats-io"]
path = contrib/nats-io
url = https://github.com/ClickHouse/nats.c
@ -343,3 +340,6 @@
[submodule "contrib/c-ares"]
path = contrib/c-ares
url = https://github.com/c-ares/c-ares.git
[submodule "contrib/incbin"]
path = contrib/incbin
url = https://github.com/graphitemaster/incbin.git

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CHANGELOG.md
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### Table of Contents
**[ClickHouse release v23.7, 2023-07-27](#237)**<br/>
**[ClickHouse release v23.6, 2023-06-30](#236)**<br/>
**[ClickHouse release v23.5, 2023-06-08](#235)**<br/>
**[ClickHouse release v23.4, 2023-04-26](#234)**<br/>
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# 2023 Changelog
### <a id="237"></a> ClickHouse release 23.7, 2023-07-27
#### Backward Incompatible Change
* Add `NAMED COLLECTION` access type (aliases `USE NAMED COLLECTION`, `NAMED COLLECTION USAGE`). This PR is backward incompatible because this access type is disabled by default (because a parent access type `NAMED COLLECTION ADMIN` is disabled by default as well). Proposed in [#50277](https://github.com/ClickHouse/ClickHouse/issues/50277). To grant use `GRANT NAMED COLLECTION ON collection_name TO user` or `GRANT NAMED COLLECTION ON * TO user`, to be able to give these grants `named_collection_admin` is required in config (previously it was named `named_collection_control`, so will remain as an alias). [#50625](https://github.com/ClickHouse/ClickHouse/pull/50625) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fixing a typo in the `system.parts` column name `last_removal_attemp_time`. Now it is named `last_removal_attempt_time`. [#52104](https://github.com/ClickHouse/ClickHouse/pull/52104) ([filimonov](https://github.com/filimonov)).
* Bump version of the distributed_ddl_entry_format_version to 5 by default (enables opentelemetry and initial_query_idd pass through). This will not allow to process existing entries for distributed DDL after *downgrade* (but note, that usually there should be no such unprocessed entries). [#52128](https://github.com/ClickHouse/ClickHouse/pull/52128) ([Azat Khuzhin](https://github.com/azat)).
* Check projection metadata the same way we check ordinary metadata. This change may prevent the server from starting in case there was a table with an invalid projection. An example is a projection that created positional columns in PK (e.g. `projection p (select * order by 1, 4)` which is not allowed in table PK and can cause a crash during insert/merge). Drop such projections before the update. Fixes [#52353](https://github.com/ClickHouse/ClickHouse/issues/52353). [#52361](https://github.com/ClickHouse/ClickHouse/pull/52361) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* The experimental feature `hashid` is removed due to a bug. The quality of implementation was questionable at the start, and it didn't get through the experimental status. This closes [#52406](https://github.com/ClickHouse/ClickHouse/issues/52406). [#52449](https://github.com/ClickHouse/ClickHouse/pull/52449) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
#### New Feature
* Added `Overlay` database engine to combine multiple databases into one. Added `Filesystem` database engine to represent a directory in the filesystem as a set of implicitly available tables with auto-detected formats and structures. A new `S3` database engine allows to read-only interact with s3 storage by representing a prefix as a set of tables. A new `HDFS` database engine allows to interact with HDFS storage in the same way. [#48821](https://github.com/ClickHouse/ClickHouse/pull/48821) ([alekseygolub](https://github.com/alekseygolub)).
* Add support for external disks in Keeper for storing snapshots and logs. [#50098](https://github.com/ClickHouse/ClickHouse/pull/50098) ([Antonio Andelic](https://github.com/antonio2368)).
* Add support for multi-directory selection (`{}`) globs. [#50559](https://github.com/ClickHouse/ClickHouse/pull/50559) ([Andrey Zvonov](https://github.com/zvonand)).
* Support ZooKeeper `reconfig` command for ClickHouse Keeper with incremental reconfiguration which can be enabled via `keeper_server.enable_reconfiguration` setting. Support adding servers, removing servers, and changing server priorities. [#49450](https://github.com/ClickHouse/ClickHouse/pull/49450) ([Mike Kot](https://github.com/myrrc)).
* Kafka connector can fetch Avro schema from schema registry with basic authentication using url-encoded credentials. [#49664](https://github.com/ClickHouse/ClickHouse/pull/49664) ([Ilya Golshtein](https://github.com/ilejn)).
* Add function `arrayJaccardIndex` which computes the Jaccard similarity between two arrays. [#50076](https://github.com/ClickHouse/ClickHouse/pull/50076) ([FFFFFFFHHHHHHH](https://github.com/FFFFFFFHHHHHHH)).
* Add a column `is_obsolete` to `system.settings` and similar tables. Closes [#50819](https://github.com/ClickHouse/ClickHouse/issues/50819). [#50826](https://github.com/ClickHouse/ClickHouse/pull/50826) ([flynn](https://github.com/ucasfl)).
* Implement support of encrypted elements in configuration file. Added possibility to use encrypted text in leaf elements of configuration file. The text is encrypted using encryption codecs from `<encryption_codecs>` section. [#50986](https://github.com/ClickHouse/ClickHouse/pull/50986) ([Roman Vasin](https://github.com/rvasin)).
* Grace Hash Join algorithm is now applicable to FULL and RIGHT JOINs. [#49483](https://github.com/ClickHouse/ClickHouse/issues/49483). [#51013](https://github.com/ClickHouse/ClickHouse/pull/51013) ([lgbo](https://github.com/lgbo-ustc)).
* Add `SYSTEM STOP LISTEN` query for more graceful termination. Closes [#47972](https://github.com/ClickHouse/ClickHouse/issues/47972). [#51016](https://github.com/ClickHouse/ClickHouse/pull/51016) ([Nikolay Degterinsky](https://github.com/evillique)).
* Add `input_format_csv_allow_variable_number_of_columns` options. [#51273](https://github.com/ClickHouse/ClickHouse/pull/51273) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Another boring feature: add function `substring_index`, as in Spark or MySQL. [#51472](https://github.com/ClickHouse/ClickHouse/pull/51472) ([李扬](https://github.com/taiyang-li)).
* A system table `jemalloc_bins` to show stats for jemalloc bins. Example `SELECT *, size * (nmalloc - ndalloc) AS allocated_bytes FROM system.jemalloc_bins WHERE allocated_bytes > 0 ORDER BY allocated_bytes DESC LIMIT 10`. Enjoy. [#51674](https://github.com/ClickHouse/ClickHouse/pull/51674) ([Alexander Gololobov](https://github.com/davenger)).
* Add `RowBinaryWithDefaults` format with extra byte before each column as a flag for using the column's default value. Closes [#50854](https://github.com/ClickHouse/ClickHouse/issues/50854). [#51695](https://github.com/ClickHouse/ClickHouse/pull/51695) ([Kruglov Pavel](https://github.com/Avogar)).
* Added `default_temporary_table_engine` setting. Same as `default_table_engine` but for temporary tables. [#51292](https://github.com/ClickHouse/ClickHouse/issues/51292). [#51708](https://github.com/ClickHouse/ClickHouse/pull/51708) ([velavokr](https://github.com/velavokr)).
* Added new `initcap` / `initcapUTF8` functions which convert the first letter of each word to upper case and the rest to lower case. [#51735](https://github.com/ClickHouse/ClickHouse/pull/51735) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Create table now supports `PRIMARY KEY` syntax in column definition. Columns are added to primary index in the same order columns are defined. [#51881](https://github.com/ClickHouse/ClickHouse/pull/51881) ([Ilya Yatsishin](https://github.com/qoega)).
* Added the possibility to use date and time format specifiers in log and error log file names, either in config files (`log` and `errorlog` tags) or command line arguments (`--log-file` and `--errorlog-file`). [#51945](https://github.com/ClickHouse/ClickHouse/pull/51945) ([Victor Krasnov](https://github.com/sirvickr)).
* Added Peak Memory Usage statistic to HTTP headers. [#51946](https://github.com/ClickHouse/ClickHouse/pull/51946) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Added new `hasSubsequence` (+`CaseInsensitive` and `UTF8` versions) functions to match subsequences in strings. [#52050](https://github.com/ClickHouse/ClickHouse/pull/52050) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Add `array_agg` as alias of `groupArray` for PostgreSQL compatibility. Closes [#52100](https://github.com/ClickHouse/ClickHouse/issues/52100). ### Documentation entry for user-facing changes. [#52135](https://github.com/ClickHouse/ClickHouse/pull/52135) ([flynn](https://github.com/ucasfl)).
* Add `any_value` as a compatibility alias for `any` aggregate function. Closes [#52140](https://github.com/ClickHouse/ClickHouse/issues/52140). [#52147](https://github.com/ClickHouse/ClickHouse/pull/52147) ([flynn](https://github.com/ucasfl)).
* Add aggregate function `array_concat_agg` for compatibility with BigQuery, it's alias of `groupArrayArray`. Closes [#52139](https://github.com/ClickHouse/ClickHouse/issues/52139). [#52149](https://github.com/ClickHouse/ClickHouse/pull/52149) ([flynn](https://github.com/ucasfl)).
* Add `OCTET_LENGTH` as an alias to `length`. Closes [#52153](https://github.com/ClickHouse/ClickHouse/issues/52153). [#52176](https://github.com/ClickHouse/ClickHouse/pull/52176) ([FFFFFFFHHHHHHH](https://github.com/FFFFFFFHHHHHHH)).
* Added `firstLine` function to extract the first line from the multi-line string. This closes [#51172](https://github.com/ClickHouse/ClickHouse/issues/51172). [#52209](https://github.com/ClickHouse/ClickHouse/pull/52209) ([Mikhail Koviazin](https://github.com/mkmkme)).
* Implement KQL-style formatting for the `Interval` data type. This is only needed for compatibility with the `Kusto` query language. [#45671](https://github.com/ClickHouse/ClickHouse/pull/45671) ([ltrk2](https://github.com/ltrk2)).
* Added query `SYSTEM FLUSH ASYNC INSERT QUEUE` which flushes all pending asynchronous inserts to the destination tables. Added a server-side setting `async_insert_queue_flush_on_shutdown` (`true` by default) which determines whether to flush queue of asynchronous inserts on graceful shutdown. Setting `async_insert_threads` is now a server-side setting. [#49160](https://github.com/ClickHouse/ClickHouse/pull/49160) ([Anton Popov](https://github.com/CurtizJ)).
* Aliases `current_database` and a new function `current_schemas` for compatibility with PostgreSQL. [#51076](https://github.com/ClickHouse/ClickHouse/pull/51076) ([Pedro Riera](https://github.com/priera)).
* Add alias for functions `today` (now available under the `curdate`/`current_date` names) and `now` (`current_timestamp`). [#52106](https://github.com/ClickHouse/ClickHouse/pull/52106) ([Lloyd-Pottiger](https://github.com/Lloyd-Pottiger)).
* Support `async_deduplication_token` for async insert. [#52136](https://github.com/ClickHouse/ClickHouse/pull/52136) ([Han Fei](https://github.com/hanfei1991)).
* Add new setting `disable_url_encoding` that allows to disable decoding/encoding path in uri in URL engine. [#52337](https://github.com/ClickHouse/ClickHouse/pull/52337) ([Kruglov Pavel](https://github.com/Avogar)).
#### Performance Improvement
* Writing parquet files is 10x faster, it's multi-threaded now. Almost the same speed as reading. [#49367](https://github.com/ClickHouse/ClickHouse/pull/49367) ([Michael Kolupaev](https://github.com/al13n321)).
* Enable automatic selection of the sparse serialization format by default. It improves performance. The format is supported since version 22.1. After this change, downgrading to versions older than 22.1 might not be possible. You can turn off the usage of the sparse serialization format by providing the `ratio_of_defaults_for_sparse_serialization = 1` setting for your MergeTree tables. [#49631](https://github.com/ClickHouse/ClickHouse/pull/49631) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Enable `move_all_conditions_to_prewhere` and `enable_multiple_prewhere_read_steps` settings by default. [#46365](https://github.com/ClickHouse/ClickHouse/pull/46365) ([Alexander Gololobov](https://github.com/davenger)).
* Improves performance of some queries by tuning allocator. [#46416](https://github.com/ClickHouse/ClickHouse/pull/46416) ([Azat Khuzhin](https://github.com/azat)).
* Now we use fixed-size tasks in `MergeTreePrefetchedReadPool` as in `MergeTreeReadPool`. Also from now we use connection pool for S3 requests. [#49732](https://github.com/ClickHouse/ClickHouse/pull/49732) ([Nikita Taranov](https://github.com/nickitat)).
* More pushdown to the right side of join. [#50532](https://github.com/ClickHouse/ClickHouse/pull/50532) ([Nikita Taranov](https://github.com/nickitat)).
* Improve grace_hash join by reserving hash table's size (resubmit). [#50875](https://github.com/ClickHouse/ClickHouse/pull/50875) ([lgbo](https://github.com/lgbo-ustc)).
* Waiting on lock in `OpenedFileCache` could be noticeable sometimes. We sharded it into multiple sub-maps (each with its own lock) to avoid contention. [#51341](https://github.com/ClickHouse/ClickHouse/pull/51341) ([Nikita Taranov](https://github.com/nickitat)).
* Move conditions with primary key columns to the end of PREWHERE chain. The idea is that conditions with PK columns are likely to be used in PK analysis and will not contribute much more to PREWHERE filtering. [#51958](https://github.com/ClickHouse/ClickHouse/pull/51958) ([Alexander Gololobov](https://github.com/davenger)).
* Speed up `COUNT(DISTINCT)` for String types by inlining SipHash. The performance experiments of *OnTime* on the ICX device (Intel Xeon Platinum 8380 CPU, 80 cores, 160 threads) show that this change could bring an improvement of *11.6%* to the QPS of the query *Q8* while having no impact on others. [#52036](https://github.com/ClickHouse/ClickHouse/pull/52036) ([Zhiguo Zhou](https://github.com/ZhiguoZh)).
* Enable `allow_vertical_merges_from_compact_to_wide_parts` by default. It will save memory usage during merges. [#52295](https://github.com/ClickHouse/ClickHouse/pull/52295) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix incorrect projection analysis which invalidates primary keys. This issue only exists when `query_plan_optimize_primary_key = 1, query_plan_optimize_projection = 1`. This fixes [#48823](https://github.com/ClickHouse/ClickHouse/issues/48823). This fixes [#51173](https://github.com/ClickHouse/ClickHouse/issues/51173). [#52308](https://github.com/ClickHouse/ClickHouse/pull/52308) ([Amos Bird](https://github.com/amosbird)).
* Reduce the number of syscalls in `FileCache::loadMetadata` - this speeds up server startup if the filesystem cache is configured. [#52435](https://github.com/ClickHouse/ClickHouse/pull/52435) ([Raúl Marín](https://github.com/Algunenano)).
* Allow to have strict lower boundary for file segment size by downloading remaining data in the background. Minimum size of file segment (if actual file size is bigger) is configured as cache configuration setting `boundary_alignment`, by default `4Mi`. Number of background threads are configured as cache configuration setting `background_download_threads`, by default `2`. Also `max_file_segment_size` was increased from `8Mi` to `32Mi` in this PR. [#51000](https://github.com/ClickHouse/ClickHouse/pull/51000) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Decreased default timeouts for S3 from 30 seconds to 3 seconds, and for other HTTP from 180 seconds to 30 seconds. [#51171](https://github.com/ClickHouse/ClickHouse/pull/51171) ([Michael Kolupaev](https://github.com/al13n321)).
* New setting `merge_tree_determine_task_size_by_prewhere_columns` added. If set to `true` only sizes of the columns from `PREWHERE` section will be considered to determine reading task size. Otherwise all the columns from query are considered. [#52606](https://github.com/ClickHouse/ClickHouse/pull/52606) ([Nikita Taranov](https://github.com/nickitat)).
#### Improvement
* Use read_bytes/total_bytes_to_read for progress bar in s3/file/url/... table functions for better progress indication. [#51286](https://github.com/ClickHouse/ClickHouse/pull/51286) ([Kruglov Pavel](https://github.com/Avogar)).
* Introduce a table setting `wait_for_unique_parts_send_before_shutdown_ms` which specify the amount of time replica will wait before closing interserver handler for replicated sends. Also fix inconsistency with shutdown of tables and interserver handlers: now server shutdown tables first and only after it shut down interserver handlers. [#51851](https://github.com/ClickHouse/ClickHouse/pull/51851) ([alesapin](https://github.com/alesapin)).
* Allow SQL standard `FETCH` without `OFFSET`. See https://antonz.org/sql-fetch/. [#51293](https://github.com/ClickHouse/ClickHouse/pull/51293) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Allow filtering HTTP headers for the URL/S3 table functions with the new `http_forbid_headers` section in config. Both exact matching and regexp filters are available. [#51038](https://github.com/ClickHouse/ClickHouse/pull/51038) ([Nikolay Degterinsky](https://github.com/evillique)).
* Don't show messages about `16 EiB` free space in logs, as they don't make sense. This closes [#49320](https://github.com/ClickHouse/ClickHouse/issues/49320). [#49342](https://github.com/ClickHouse/ClickHouse/pull/49342) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Properly check the limit for the `sleepEachRow` function. Add a setting `function_sleep_max_microseconds_per_block`. This is needed for generic query fuzzer. [#49343](https://github.com/ClickHouse/ClickHouse/pull/49343) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix two issues in `geoHash` functions. [#50066](https://github.com/ClickHouse/ClickHouse/pull/50066) ([李扬](https://github.com/taiyang-li)).
* Log async insert flush queries into `system.query_log`. [#51160](https://github.com/ClickHouse/ClickHouse/pull/51160) ([Raúl Marín](https://github.com/Algunenano)).
* Functions `date_diff` and `age` now support millisecond/microsecond unit and work with microsecond precision. [#51291](https://github.com/ClickHouse/ClickHouse/pull/51291) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Improve parsing of path in clickhouse-keeper-client. [#51359](https://github.com/ClickHouse/ClickHouse/pull/51359) ([Azat Khuzhin](https://github.com/azat)).
* A third-party product depending on ClickHouse (Gluten: a Plugin to Double SparkSQL's Performance) had a bug. This fix avoids heap overflow in that third-party product while reading from HDFS. [#51386](https://github.com/ClickHouse/ClickHouse/pull/51386) ([李扬](https://github.com/taiyang-li)).
* Add ability to disable native copy for S3 (setting for BACKUP/RESTORE `allow_s3_native_copy`, and `s3_allow_native_copy` for `s3`/`s3_plain` disks). [#51448](https://github.com/ClickHouse/ClickHouse/pull/51448) ([Azat Khuzhin](https://github.com/azat)).
* Add column `primary_key_size` to `system.parts` table to show compressed primary key size on disk. Closes [#51400](https://github.com/ClickHouse/ClickHouse/issues/51400). [#51496](https://github.com/ClickHouse/ClickHouse/pull/51496) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Allow running `clickhouse-local` without procfs, without home directory existing, and without name resolution plugins from glibc. [#51518](https://github.com/ClickHouse/ClickHouse/pull/51518) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add placeholder `%a` for rull filename in rename_files_after_processing setting. [#51603](https://github.com/ClickHouse/ClickHouse/pull/51603) ([Kruglov Pavel](https://github.com/Avogar)).
* Add column `modification_time` into `system.parts_columns`. [#51685](https://github.com/ClickHouse/ClickHouse/pull/51685) ([Azat Khuzhin](https://github.com/azat)).
* Add new setting `input_format_csv_use_default_on_bad_values` to CSV format that allows to insert default value when parsing of a single field failed. [#51716](https://github.com/ClickHouse/ClickHouse/pull/51716) ([KevinyhZou](https://github.com/KevinyhZou)).
* Added a crash log flush to the disk after the unexpected crash. [#51720](https://github.com/ClickHouse/ClickHouse/pull/51720) ([Alexey Gerasimchuck](https://github.com/Demilivor)).
* Fix behavior in dashboard page where errors unrelated to authentication are not shown. Also fix 'overlapping' chart behavior. [#51744](https://github.com/ClickHouse/ClickHouse/pull/51744) ([Zach Naimon](https://github.com/ArctypeZach)).
* Allow UUID to UInt128 conversion. [#51765](https://github.com/ClickHouse/ClickHouse/pull/51765) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Added support for function `range` of Nullable arguments. [#51767](https://github.com/ClickHouse/ClickHouse/pull/51767) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Convert condition like `toyear(x) = c` to `c1 <= x < c2`. [#51795](https://github.com/ClickHouse/ClickHouse/pull/51795) ([Han Fei](https://github.com/hanfei1991)).
* Improve MySQL compatibility of the statement `SHOW INDEX`. [#51796](https://github.com/ClickHouse/ClickHouse/pull/51796) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix `use_structure_from_insertion_table_in_table_functions` does not work with `MATERIALIZED` and `ALIAS` columns. Closes [#51817](https://github.com/ClickHouse/ClickHouse/issues/51817). Closes [#51019](https://github.com/ClickHouse/ClickHouse/issues/51019). [#51825](https://github.com/ClickHouse/ClickHouse/pull/51825) ([flynn](https://github.com/ucasfl)).
* Cache dictionary now requests only unique keys from source. Closes [#51762](https://github.com/ClickHouse/ClickHouse/issues/51762). [#51853](https://github.com/ClickHouse/ClickHouse/pull/51853) ([Maksim Kita](https://github.com/kitaisreal)).
* Fixed the case when settings were not applied for EXPLAIN query when FORMAT was provided. [#51859](https://github.com/ClickHouse/ClickHouse/pull/51859) ([Nikita Taranov](https://github.com/nickitat)).
* Allow SETTINGS before FORMAT in DESCRIBE TABLE query for compatibility with SELECT query. Closes [#51544](https://github.com/ClickHouse/ClickHouse/issues/51544). [#51899](https://github.com/ClickHouse/ClickHouse/pull/51899) ([Nikolay Degterinsky](https://github.com/evillique)).
* Var-Int encoded integers (e.g. used by the native protocol) can now use the full 64-bit range. 3rd party clients are advised to update their var-int code accordingly. [#51905](https://github.com/ClickHouse/ClickHouse/pull/51905) ([Robert Schulze](https://github.com/rschu1ze)).
* Update certificates when they change without the need to manually SYSTEM RELOAD CONFIG. [#52030](https://github.com/ClickHouse/ClickHouse/pull/52030) ([Mike Kot](https://github.com/myrrc)).
* Added `allow_create_index_without_type` setting that allow to ignore `ADD INDEX` queries without specified `TYPE`. Standard SQL queries will just succeed without changing table schema. [#52056](https://github.com/ClickHouse/ClickHouse/pull/52056) ([Ilya Yatsishin](https://github.com/qoega)).
* Log messages are written to the `system.text_log` from the server startup. [#52113](https://github.com/ClickHouse/ClickHouse/pull/52113) ([Dmitry Kardymon](https://github.com/kardymonds)).
* In cases where the HTTP endpoint has multiple IP addresses and the first of them is unreachable, a timeout exception was thrown. Made session creation with handling all resolved endpoints. [#52116](https://github.com/ClickHouse/ClickHouse/pull/52116) ([Aleksei Filatov](https://github.com/aalexfvk)).
* Avro input format now supports Union even if it contains only a single type. Closes [#52131](https://github.com/ClickHouse/ClickHouse/issues/52131). [#52137](https://github.com/ClickHouse/ClickHouse/pull/52137) ([flynn](https://github.com/ucasfl)).
* Add setting `optimize_use_implicit_projections` to disable implicit projections (currently only `min_max_count` projection). [#52152](https://github.com/ClickHouse/ClickHouse/pull/52152) ([Amos Bird](https://github.com/amosbird)).
* It was possible to use the function `hasToken` for infinite loop. Now this possibility is removed. This closes [#52156](https://github.com/ClickHouse/ClickHouse/issues/52156). [#52160](https://github.com/ClickHouse/ClickHouse/pull/52160) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Create ZK ancestors optimistically. [#52195](https://github.com/ClickHouse/ClickHouse/pull/52195) ([Raúl Marín](https://github.com/Algunenano)).
* Fix [#50582](https://github.com/ClickHouse/ClickHouse/issues/50582). Avoid the `Not found column ... in block` error in some cases of reading in-order and constants. [#52259](https://github.com/ClickHouse/ClickHouse/pull/52259) ([Chen768959](https://github.com/Chen768959)).
* Check whether S2 geo primitives are invalid as early as possible on ClickHouse side. This closes: [#27090](https://github.com/ClickHouse/ClickHouse/issues/27090). [#52260](https://github.com/ClickHouse/ClickHouse/pull/52260) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Add back missing projection QueryAccessInfo when `query_plan_optimize_projection = 1`. This fixes [#50183](https://github.com/ClickHouse/ClickHouse/issues/50183) . This fixes [#50093](https://github.com/ClickHouse/ClickHouse/issues/50093). [#52327](https://github.com/ClickHouse/ClickHouse/pull/52327) ([Amos Bird](https://github.com/amosbird)).
* When `ZooKeeperRetriesControl` rethrows an error, it's more useful to see its original stack trace, not the one from `ZooKeeperRetriesControl` itself. [#52347](https://github.com/ClickHouse/ClickHouse/pull/52347) ([Vitaly Baranov](https://github.com/vitlibar)).
* Wait for zero copy replication lock even if some disks don't support it. [#52376](https://github.com/ClickHouse/ClickHouse/pull/52376) ([Raúl Marín](https://github.com/Algunenano)).
* Now interserver port will be closed only after tables are shut down. [#52498](https://github.com/ClickHouse/ClickHouse/pull/52498) ([alesapin](https://github.com/alesapin)).
#### Experimental Feature
* Added support for [PRQL](https://prql-lang.org/) as a query language. [#50686](https://github.com/ClickHouse/ClickHouse/pull/50686) ([János Benjamin Antal](https://github.com/antaljanosbenjamin)).
* Allow to add disk name for custom disks. Previously custom disks would use an internal generated disk name. Now it will be possible with `disk = disk_<name>(...)` (e.g. disk will have name `name`) . [#51552](https://github.com/ClickHouse/ClickHouse/pull/51552) ([Kseniia Sumarokova](https://github.com/kssenii)). This syntax can be changed in this release.
* (experimental MaterializedMySQL) Fixed crash when `mysqlxx::Pool::Entry` is used after it was disconnected. [#52063](https://github.com/ClickHouse/ClickHouse/pull/52063) ([Val Doroshchuk](https://github.com/valbok)).
* (experimental MaterializedMySQL) `CREATE TABLE ... AS SELECT` .. is now supported in MaterializedMySQL. [#52067](https://github.com/ClickHouse/ClickHouse/pull/52067) ([Val Doroshchuk](https://github.com/valbok)).
* (experimental MaterializedMySQL) Introduced automatic conversion of text types to utf8 for MaterializedMySQL. [#52084](https://github.com/ClickHouse/ClickHouse/pull/52084) ([Val Doroshchuk](https://github.com/valbok)).
* (experimental MaterializedMySQL) Now unquoted UTF-8 strings are supported in DDL for MaterializedMySQL. [#52318](https://github.com/ClickHouse/ClickHouse/pull/52318) ([Val Doroshchuk](https://github.com/valbok)).
* (experimental MaterializedMySQL) Now double quoted comments are supported in MaterializedMySQL. [#52355](https://github.com/ClickHouse/ClickHouse/pull/52355) ([Val Doroshchuk](https://github.com/valbok)).
* Upgrade Intel QPL from v1.1.0 to v1.2.0 2. Upgrade Intel accel-config from v3.5 to v4.0 3. Fixed issue that Device IOTLB miss has big perf. impact for IAA accelerators. [#52180](https://github.com/ClickHouse/ClickHouse/pull/52180) ([jasperzhu](https://github.com/jinjunzh)).
* The `session_timezone` setting (new in version 23.6) is demoted to experimental. [#52445](https://github.com/ClickHouse/ClickHouse/pull/52445) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
#### Build/Testing/Packaging Improvement
* Add experimental ClickHouse builds for Linux RISC-V 64 to CI. [#31398](https://github.com/ClickHouse/ClickHouse/pull/31398) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add integration test check with the enabled Analyzer. [#50926](https://github.com/ClickHouse/ClickHouse/pull/50926) [#52210](https://github.com/ClickHouse/ClickHouse/pull/52210) ([Dmitry Novik](https://github.com/novikd)).
* Reproducible builds for Rust. [#52395](https://github.com/ClickHouse/ClickHouse/pull/52395) ([Azat Khuzhin](https://github.com/azat)).
* Update Cargo dependencies. [#51721](https://github.com/ClickHouse/ClickHouse/pull/51721) ([Raúl Marín](https://github.com/Algunenano)).
* Make the function `CHColumnToArrowColumn::fillArrowArrayWithArrayColumnData` to work with nullable arrays, which are not possible in ClickHouse, but needed for Gluten. [#52112](https://github.com/ClickHouse/ClickHouse/pull/52112) ([李扬](https://github.com/taiyang-li)).
* We've updated the CCTZ library to master, but there are no user-visible changes. [#52124](https://github.com/ClickHouse/ClickHouse/pull/52124) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* The `system.licenses` table now includes the hard-forked library Poco. This closes [#52066](https://github.com/ClickHouse/ClickHouse/issues/52066). [#52127](https://github.com/ClickHouse/ClickHouse/pull/52127) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Check that there are no cases of bad punctuation: whitespace before a comma like `Hello ,world` instead of `Hello, world`. [#52549](https://github.com/ClickHouse/ClickHouse/pull/52549) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* Fix MaterializedPostgreSQL syncTables [#49698](https://github.com/ClickHouse/ClickHouse/pull/49698) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix projection with optimize_aggregators_of_group_by_keys [#49709](https://github.com/ClickHouse/ClickHouse/pull/49709) ([Amos Bird](https://github.com/amosbird)).
* Fix optimize_skip_unused_shards with JOINs [#51037](https://github.com/ClickHouse/ClickHouse/pull/51037) ([Azat Khuzhin](https://github.com/azat)).
* Fix formatDateTime() with fractional negative datetime64 [#51290](https://github.com/ClickHouse/ClickHouse/pull/51290) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Functions `hasToken*` were totally wrong. Add a test for [#43358](https://github.com/ClickHouse/ClickHouse/issues/43358) [#51378](https://github.com/ClickHouse/ClickHouse/pull/51378) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix optimization to move functions before sorting. [#51481](https://github.com/ClickHouse/ClickHouse/pull/51481) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix Block structure mismatch in Pipe::unitePipes for FINAL [#51492](https://github.com/ClickHouse/ClickHouse/pull/51492) ([Nikita Taranov](https://github.com/nickitat)).
* Fix SIGSEGV for clusters with zero weight across all shards (fixes INSERT INTO FUNCTION clusterAllReplicas()) [#51545](https://github.com/ClickHouse/ClickHouse/pull/51545) ([Azat Khuzhin](https://github.com/azat)).
* Fix timeout for hedged requests [#51582](https://github.com/ClickHouse/ClickHouse/pull/51582) ([Azat Khuzhin](https://github.com/azat)).
* Fix logical error in ANTI join with NULL [#51601](https://github.com/ClickHouse/ClickHouse/pull/51601) ([vdimir](https://github.com/vdimir)).
* Fix for moving 'IN' conditions to PREWHERE [#51610](https://github.com/ClickHouse/ClickHouse/pull/51610) ([Alexander Gololobov](https://github.com/davenger)).
* Do not apply PredicateExpressionsOptimizer for ASOF/ANTI join [#51633](https://github.com/ClickHouse/ClickHouse/pull/51633) ([vdimir](https://github.com/vdimir)).
* Fix async insert with deduplication for ReplicatedMergeTree using merging algorithms [#51676](https://github.com/ClickHouse/ClickHouse/pull/51676) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix reading from empty column in `parseSipHashKey` [#51804](https://github.com/ClickHouse/ClickHouse/pull/51804) ([Nikita Taranov](https://github.com/nickitat)).
* Fix segfault when create invalid EmbeddedRocksdb table [#51847](https://github.com/ClickHouse/ClickHouse/pull/51847) ([Duc Canh Le](https://github.com/canhld94)).
* Fix inserts into MongoDB tables [#51876](https://github.com/ClickHouse/ClickHouse/pull/51876) ([Nikolay Degterinsky](https://github.com/evillique)).
* Fix deadlock on DatabaseCatalog shutdown [#51908](https://github.com/ClickHouse/ClickHouse/pull/51908) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix error in subquery operators [#51922](https://github.com/ClickHouse/ClickHouse/pull/51922) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix async connect to hosts with multiple ips [#51934](https://github.com/ClickHouse/ClickHouse/pull/51934) ([Kruglov Pavel](https://github.com/Avogar)).
* Do not remove inputs after ActionsDAG::merge [#51947](https://github.com/ClickHouse/ClickHouse/pull/51947) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Check refcount in `RemoveManyObjectStorageOperation::finalize` instead of `execute` [#51954](https://github.com/ClickHouse/ClickHouse/pull/51954) ([vdimir](https://github.com/vdimir)).
* Allow parametric UDFs [#51964](https://github.com/ClickHouse/ClickHouse/pull/51964) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Small fix for toDateTime64() for dates after 2283-12-31 [#52130](https://github.com/ClickHouse/ClickHouse/pull/52130) ([Andrey Zvonov](https://github.com/zvonand)).
* Fix ORDER BY tuple of WINDOW functions [#52145](https://github.com/ClickHouse/ClickHouse/pull/52145) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix incorrect projection analysis when aggregation expression contains monotonic functions [#52151](https://github.com/ClickHouse/ClickHouse/pull/52151) ([Amos Bird](https://github.com/amosbird)).
* Fix error in `groupArrayMoving` functions [#52161](https://github.com/ClickHouse/ClickHouse/pull/52161) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Disable direct join for range dictionary [#52187](https://github.com/ClickHouse/ClickHouse/pull/52187) ([Duc Canh Le](https://github.com/canhld94)).
* Fix sticky mutations test (and extremely rare race condition) [#52197](https://github.com/ClickHouse/ClickHouse/pull/52197) ([alesapin](https://github.com/alesapin)).
* Fix race in Web disk [#52211](https://github.com/ClickHouse/ClickHouse/pull/52211) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix data race in Connection::setAsyncCallback on unknown packet from server [#52219](https://github.com/ClickHouse/ClickHouse/pull/52219) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix temp data deletion on startup, add test [#52275](https://github.com/ClickHouse/ClickHouse/pull/52275) ([vdimir](https://github.com/vdimir)).
* Don't use minmax_count projections when counting nullable columns [#52297](https://github.com/ClickHouse/ClickHouse/pull/52297) ([Amos Bird](https://github.com/amosbird)).
* MergeTree/ReplicatedMergeTree should use server timezone for log entries [#52325](https://github.com/ClickHouse/ClickHouse/pull/52325) ([Azat Khuzhin](https://github.com/azat)).
* Fix parameterized view with cte and multiple usage [#52328](https://github.com/ClickHouse/ClickHouse/pull/52328) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Disable expression templates for time intervals [#52335](https://github.com/ClickHouse/ClickHouse/pull/52335) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix `apply_snapshot` in Keeper [#52358](https://github.com/ClickHouse/ClickHouse/pull/52358) ([Antonio Andelic](https://github.com/antonio2368)).
* Update build-osx.md [#52377](https://github.com/ClickHouse/ClickHouse/pull/52377) ([AlexBykovski](https://github.com/AlexBykovski)).
* Fix `countSubstrings()` hang with empty needle and a column haystack [#52409](https://github.com/ClickHouse/ClickHouse/pull/52409) ([Sergei Trifonov](https://github.com/serxa)).
* Fix normal projection with merge table [#52432](https://github.com/ClickHouse/ClickHouse/pull/52432) ([Amos Bird](https://github.com/amosbird)).
* Fix possible double-free in Aggregator [#52439](https://github.com/ClickHouse/ClickHouse/pull/52439) ([Nikita Taranov](https://github.com/nickitat)).
* Fixed inserting into Buffer engine [#52440](https://github.com/ClickHouse/ClickHouse/pull/52440) ([Vasily Nemkov](https://github.com/Enmk)).
* The implementation of AnyHash was non-conformant. [#52448](https://github.com/ClickHouse/ClickHouse/pull/52448) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Check recursion depth in OptimizedRegularExpression [#52451](https://github.com/ClickHouse/ClickHouse/pull/52451) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix data-race DatabaseReplicated::startupTables()/canExecuteReplicatedMetadataAlter() [#52490](https://github.com/ClickHouse/ClickHouse/pull/52490) ([Azat Khuzhin](https://github.com/azat)).
* Fix abort in function `transform` [#52513](https://github.com/ClickHouse/ClickHouse/pull/52513) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix lightweight delete after drop of projection [#52517](https://github.com/ClickHouse/ClickHouse/pull/52517) ([Anton Popov](https://github.com/CurtizJ)).
* Fix possible error "Cannot drain connections: cancel first" [#52585](https://github.com/ClickHouse/ClickHouse/pull/52585) ([Kruglov Pavel](https://github.com/Avogar)).
### <a id="236"></a> ClickHouse release 23.6, 2023-06-29
#### Backward Incompatible Change

10
CMakeLists.txt
View File

@ -165,8 +165,14 @@ elseif(GLIBC_COMPATIBILITY)
message (${RECONFIGURE_MESSAGE_LEVEL} "Glibc compatibility cannot be enabled in current configuration")
endif ()
# Make sure the final executable has symbols exported
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -rdynamic")
if (OS_LINUX)
# We should not export dynamic symbols, because:
# - The main clickhouse binary does not use dlopen,
# and whatever is poisoning it by LD_PRELOAD should not link to our symbols.
# - The clickhouse-odbc-bridge and clickhouse-library-bridge binaries
# should not expose their symbols to ODBC drivers and libraries.
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-export-dynamic")
endif ()
if (OS_DARWIN)
# The `-all_load` flag forces loading of all symbols from all libraries,

3
SECURITY.md
View File

@ -13,9 +13,10 @@ The following versions of ClickHouse server are currently being supported with s
| Version | Supported |
|:-|:-|
| 23.7 | ✔️ |
| 23.6 | ✔️ |
| 23.5 | ✔️ |
| 23.4 | ✔️ |
| 23.4 | ❌ |
| 23.3 | ✔️ |
| 23.2 | ❌ |
| 23.1 | ❌ |

2
base/poco/Foundation/include/Poco/Message.h
View File

@ -67,6 +67,8 @@ public:
Message(
const std::string & source, const std::string & text, Priority prio, const char * file, int line, std::string_view fmt_str = {});
Message(
std::string && source, std::string && text, Priority prio, const char * file, int line, std::string_view fmt_str);
/// Creates a Message with the given source, text, priority,
/// source file path and line.
///

8
base/poco/Foundation/include/Poco/URI.h
View File

@ -57,7 +57,7 @@ public:
URI();
/// Creates an empty URI.
explicit URI(const std::string & uri);
explicit URI(const std::string & uri, bool disable_url_encoding = false);
/// Parses an URI from the given string. Throws a
/// SyntaxException if the uri is not valid.
@ -350,6 +350,10 @@ protected:
static const std::string ILLEGAL;
private:
void encodePath(std::string & encodedStr) const;
void decodePath(const std::string & encodedStr);
std::string _scheme;
std::string _userInfo;
std::string _host;
@ -357,6 +361,8 @@ private:
std::string _path;
std::string _query;
std::string _fragment;
bool _disable_url_encoding = false;
};

13
base/poco/Foundation/src/Message.cpp
View File

@ -60,6 +60,19 @@ Message::Message(const std::string& source, const std::string& text, Priority pr
}
Message::Message(std::string && source, std::string && text, Priority prio, const char * file, int line, std::string_view fmt_str):
_source(std::move(source)),
_text(std::move(text)),
_prio(prio),
_tid(0),
_file(file),
_line(line),
_pMap(0),
_fmt_str(fmt_str)
{
init();
}
Message::Message(const Message& msg):
_source(msg._source),
_text(msg._text),

39
base/poco/Foundation/src/URI.cpp
View File

@ -36,8 +36,8 @@ URI::URI():
}
URI::URI(const std::string& uri):
_port(0)
URI::URI(const std::string& uri, bool decode_and_encode_path):
_port(0), _disable_url_encoding(decode_and_encode_path)
{
parse(uri);
}
@ -107,7 +107,8 @@ URI::URI(const URI& uri):
_port(uri._port),
_path(uri._path),
_query(uri._query),
_fragment(uri._fragment)
_fragment(uri._fragment),
_disable_url_encoding(uri._disable_url_encoding)
{
}
@ -119,7 +120,8 @@ URI::URI(const URI& baseURI, const std::string& relativeURI):
_port(baseURI._port),
_path(baseURI._path),
_query(baseURI._query),
_fragment(baseURI._fragment)
_fragment(baseURI._fragment),
_disable_url_encoding(baseURI._disable_url_encoding)
{
resolve(relativeURI);
}
@ -151,6 +153,7 @@ URI& URI::operator = (const URI& uri)
_path = uri._path;
_query = uri._query;
_fragment = uri._fragment;
_disable_url_encoding = uri._disable_url_encoding;
}
return *this;
}
@ -181,6 +184,7 @@ void URI::swap(URI& uri)
std::swap(_path, uri._path);
std::swap(_query, uri._query);
std::swap(_fragment, uri._fragment);
std::swap(_disable_url_encoding, uri._disable_url_encoding);
}
@ -201,7 +205,7 @@ std::string URI::toString() const
std::string uri;
if (isRelative())
{
encode(_path, RESERVED_PATH, uri);
encodePath(uri);
}
else
{
@ -217,7 +221,7 @@ std::string URI::toString() const
{
if (!auth.empty() && _path[0] != '/')
uri += '/';
encode(_path, RESERVED_PATH, uri);
encodePath(uri);
}
else if (!_query.empty() || !_fragment.empty())
{
@ -313,7 +317,7 @@ void URI::setAuthority(const std::string& authority)
void URI::setPath(const std::string& path)
{
_path.clear();
decode(path, _path);
decodePath(path);
}
@ -418,7 +422,7 @@ void URI::setPathEtc(const std::string& pathEtc)
std::string URI::getPathEtc() const
{
std::string pathEtc;
encode(_path, RESERVED_PATH, pathEtc);
encodePath(pathEtc);
if (!_query.empty())
{
pathEtc += '?';
@ -436,7 +440,7 @@ std::string URI::getPathEtc() const
std::string URI::getPathAndQuery() const
{
std::string pathAndQuery;
encode(_path, RESERVED_PATH, pathAndQuery);
encodePath(pathAndQuery);
if (!_query.empty())
{
pathAndQuery += '?';
@ -681,6 +685,21 @@ void URI::decode(const std::string& str, std::string& decodedStr, bool plusAsSpa
}
}
void URI::encodePath(std::string & encodedStr) const
{
if (_disable_url_encoding)
encodedStr = _path;
else
encode(_path, RESERVED_PATH, encodedStr);
}
void URI::decodePath(const std::string & encodedStr)
{
if (_disable_url_encoding)
_path = encodedStr;
else
decode(encodedStr, _path);
}
bool URI::isWellKnownPort() const
{
@ -820,7 +839,7 @@ void URI::parsePath(std::string::const_iterator& it, const std::string::const_it
{
std::string path;
while (it != end && *it != '?' && *it != '#') path += *it++;
decode(path, _path);
decodePath(path);
}

10
cmake/autogenerated_versions.txt
View File

@ -2,11 +2,11 @@
# NOTE: has nothing common with DBMS_TCP_PROTOCOL_VERSION,
# only DBMS_TCP_PROTOCOL_VERSION should be incremented on protocol changes.
SET(VERSION_REVISION 54476)
SET(VERSION_REVISION 54477)
SET(VERSION_MAJOR 23)
SET(VERSION_MINOR 7)
SET(VERSION_MINOR 8)
SET(VERSION_PATCH 1)
SET(VERSION_GITHASH d1c7e13d08868cb04d3562dcced704dd577cb1df)
SET(VERSION_DESCRIBE v23.7.1.1-testing)
SET(VERSION_STRING 23.7.1.1)
SET(VERSION_GITHASH a70127baecc451f1f7073bad7b6198f6703441d8)
SET(VERSION_DESCRIBE v23.8.1.1-testing)
SET(VERSION_STRING 23.8.1.1)
# end of autochange

58
cmake/embed_binary.cmake
View File

@ -1,58 +0,0 @@
# Embed a set of resource files into a resulting object file.
#
# Signature: `clickhouse_embed_binaries(TARGET <target> RESOURCE_DIR <dir> RESOURCES <resource> ...)
#
# This will generate a static library target named `<target>`, which contains the contents of
# each `<resource>` file. The files should be located in `<dir>`. <dir> defaults to
# ${CMAKE_CURRENT_SOURCE_DIR}, and the resources may not be empty.
#
# Each resource will result in three symbols in the final archive, based on the name `<resource>`.
# These are:
# 1. `_binary_<name>_start`: Points to the start of the binary data from `<resource>`.
# 2. `_binary_<name>_end`: Points to the end of the binary data from `<resource>`.
# 2. `_binary_<name>_size`: Points to the size of the binary data from `<resource>`.
#
# `<name>` is a normalized name derived from `<resource>`, by replacing the characters "./-" with
# the character "_", and the character "+" with "_PLUS_". This scheme is similar to those generated
# by `ld -r -b binary`, and matches the expectations in `./base/common/getResource.cpp`.
macro(clickhouse_embed_binaries)
set(one_value_args TARGET RESOURCE_DIR)
set(resources RESOURCES)
cmake_parse_arguments(EMBED "" "${one_value_args}" ${resources} ${ARGN})
if (NOT DEFINED EMBED_TARGET)
message(FATAL_ERROR "A target name must be provided for embedding binary resources into")
endif()
if (NOT DEFINED EMBED_RESOURCE_DIR)
set(EMBED_RESOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
endif()
list(LENGTH EMBED_RESOURCES N_RESOURCES)
if (N_RESOURCES LESS 1)
message(FATAL_ERROR "The list of binary resources to embed may not be empty")
endif()
add_library("${EMBED_TARGET}" STATIC)
set_target_properties("${EMBED_TARGET}" PROPERTIES LINKER_LANGUAGE C)
set(EMBED_TEMPLATE_FILE "${PROJECT_SOURCE_DIR}/programs/embed_binary.S.in")
foreach(RESOURCE_FILE ${EMBED_RESOURCES})
set(ASSEMBLY_FILE_NAME "${RESOURCE_FILE}.S")
set(BINARY_FILE_NAME "${RESOURCE_FILE}")
# Normalize the name of the resource.
string(REGEX REPLACE "[\./-]" "_" SYMBOL_NAME "${RESOURCE_FILE}") # - must be last in regex
string(REPLACE "+" "_PLUS_" SYMBOL_NAME "${SYMBOL_NAME}")
# Generate the configured assembly file in the output directory.
configure_file("${EMBED_TEMPLATE_FILE}" "${CMAKE_CURRENT_BINARY_DIR}/${ASSEMBLY_FILE_NAME}" @ONLY)
# Set the include directory for relative paths specified for `.incbin` directive.
set_property(SOURCE "${CMAKE_CURRENT_BINARY_DIR}/${ASSEMBLY_FILE_NAME}" APPEND PROPERTY INCLUDE_DIRECTORIES "${EMBED_RESOURCE_DIR}")
target_sources("${EMBED_TARGET}" PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/${ASSEMBLY_FILE_NAME}")
set_target_properties("${EMBED_TARGET}" PROPERTIES OBJECT_DEPENDS "${RESOURCE_FILE}")
endforeach()
endmacro()

5
cmake/split_debug_symbols.cmake
View File

@ -22,8 +22,9 @@ macro(clickhouse_split_debug_symbols)
# Splits debug symbols into separate file, leaves the binary untouched:
COMMAND "${OBJCOPY_PATH}" --only-keep-debug "${STRIP_DESTINATION_DIR}/bin/${STRIP_TARGET}" "${STRIP_DESTINATION_DIR}/lib/debug/bin/${STRIP_TARGET}.debug"
COMMAND chmod 0644 "${STRIP_DESTINATION_DIR}/lib/debug/bin/${STRIP_TARGET}.debug"
# Strips binary, sections '.note' & '.comment' are removed in line with Debian's stripping policy: www.debian.org/doc/debian-policy/ch-files.html, section '.clickhouse.hash' is needed for integrity check:
COMMAND "${STRIP_PATH}" --remove-section=.comment --remove-section=.note --keep-section=.clickhouse.hash "${STRIP_DESTINATION_DIR}/bin/${STRIP_TARGET}"
# Strips binary, sections '.note' & '.comment' are removed in line with Debian's stripping policy: www.debian.org/doc/debian-policy/ch-files.html, section '.clickhouse.hash' is needed for integrity check.
# Also, after we disabled the export of symbols for dynamic linking, we still to keep a static symbol table for good stack traces.
COMMAND "${STRIP_PATH}" --strip-debug --remove-section=.comment --remove-section=.note "${STRIP_DESTINATION_DIR}/bin/${STRIP_TARGET}"
# Associate stripped binary with debug symbols:
COMMAND "${OBJCOPY_PATH}" --add-gnu-debuglink "${STRIP_DESTINATION_DIR}/lib/debug/bin/${STRIP_TARGET}.debug" "${STRIP_DESTINATION_DIR}/bin/${STRIP_TARGET}"
COMMENT "Stripping clickhouse binary" VERBATIM

3
contrib/CMakeLists.txt vendored
View File

@ -164,14 +164,13 @@ add_contrib (libpq-cmake libpq)
add_contrib (nuraft-cmake NuRaft)
add_contrib (fast_float-cmake fast_float)
add_contrib (datasketches-cpp-cmake datasketches-cpp)
add_contrib (hashidsxx-cmake hashidsxx)
add_contrib (incbin-cmake incbin)
option(ENABLE_NLP "Enable NLP functions support" ${ENABLE_LIBRARIES})
if (ENABLE_NLP)
add_contrib (libstemmer-c-cmake libstemmer_c)
add_contrib (wordnet-blast-cmake wordnet-blast)
add_contrib (lemmagen-c-cmake lemmagen-c)
add_contrib (nlp-data-cmake nlp-data)
add_contrib (cld2-cmake cld2)
endif()

5
contrib/arrow-cmake/CMakeLists.txt
View File

@ -502,9 +502,10 @@ target_include_directories(_parquet SYSTEM BEFORE
"${ClickHouse_SOURCE_DIR}/contrib/arrow/cpp/src"
"${CMAKE_CURRENT_SOURCE_DIR}/cpp/src")
target_link_libraries(_parquet
PUBLIC _arrow
PRIVATE
PUBLIC
_arrow
ch_contrib::thrift
PRIVATE
boost::headers_only
boost::regex
OpenSSL::Crypto OpenSSL::SSL)

53
contrib/cctz-cmake/CMakeLists.txt
View File

@ -1,4 +1,3 @@
include(${ClickHouse_SOURCE_DIR}/cmake/embed_binary.cmake)
set(LIBRARY_DIR "${ClickHouse_SOURCE_DIR}/contrib/cctz")
set (SRCS
@ -23,12 +22,10 @@ if (OS_FREEBSD)
endif ()
# Related to time_zones table:
# StorageSystemTimeZones.generated.cpp is autogenerated each time during a build
# data in this file will be used to populate the system.time_zones table, this is specific to OS_LINUX
# as the library that's built using embedded tzdata is also specific to OS_LINUX
set(SYSTEM_STORAGE_TZ_FILE "${PROJECT_BINARY_DIR}/src/Storages/System/StorageSystemTimeZones.generated.cpp")
# TimeZones.generated.cpp is autogenerated each time during a build
set(TIMEZONES_FILE "${CMAKE_CURRENT_BINARY_DIR}/TimeZones.generated.cpp")
# remove existing copies so that its generated fresh on each build.
file(REMOVE ${SYSTEM_STORAGE_TZ_FILE})
file(REMOVE ${TIMEZONES_FILE})
# get the list of timezones from tzdata shipped with cctz
set(TZDIR "${LIBRARY_DIR}/testdata/zoneinfo")
@ -36,28 +33,44 @@ file(STRINGS "${LIBRARY_DIR}/testdata/version" TZDATA_VERSION)
set_property(GLOBAL PROPERTY TZDATA_VERSION_PROP "${TZDATA_VERSION}")
message(STATUS "Packaging with tzdata version: ${TZDATA_VERSION}")
set(TIMEZONE_RESOURCE_FILES)
# each file in that dir (except of tab and localtime) store the info about timezone
execute_process(COMMAND
bash -c "cd ${TZDIR} && find * -type f -and ! -name '*.tab' -and ! -name 'localtime' | LC_ALL=C sort | paste -sd ';' -"
OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE TIMEZONES)
file(APPEND ${SYSTEM_STORAGE_TZ_FILE} "// autogenerated by ClickHouse/contrib/cctz-cmake/CMakeLists.txt\n")
file(APPEND ${SYSTEM_STORAGE_TZ_FILE} "const char * auto_time_zones[] {\n" )
file(APPEND ${TIMEZONES_FILE} "// autogenerated by ClickHouse/contrib/cctz-cmake/CMakeLists.txt\n")
file(APPEND ${TIMEZONES_FILE} "#include <incbin.h>\n")
set (COUNTER 1)
foreach(TIMEZONE ${TIMEZONES})
file(APPEND ${TIMEZONES_FILE} "INCBIN(resource_timezone${COUNTER}, \"${TZDIR}/${TIMEZONE}\");\n")
MATH(EXPR COUNTER "${COUNTER}+1")
endforeach(TIMEZONE)
file(APPEND ${TIMEZONES_FILE} "const char * auto_time_zones[] {\n" )
foreach(TIMEZONE ${TIMEZONES})
file(APPEND ${SYSTEM_STORAGE_TZ_FILE} " \"${TIMEZONE}\",\n")
list(APPEND TIMEZONE_RESOURCE_FILES "${TIMEZONE}")
file(APPEND ${TIMEZONES_FILE} " \"${TIMEZONE}\",\n")
MATH(EXPR COUNTER "${COUNTER}+1")
endforeach(TIMEZONE)
file(APPEND ${SYSTEM_STORAGE_TZ_FILE} " nullptr};\n")
clickhouse_embed_binaries(
TARGET tzdata
RESOURCE_DIR "${TZDIR}"
RESOURCES ${TIMEZONE_RESOURCE_FILES}
)
add_dependencies(_cctz tzdata)
target_link_libraries(_cctz INTERFACE "-Wl,${WHOLE_ARCHIVE} $<TARGET_FILE:tzdata> -Wl,${NO_WHOLE_ARCHIVE}")
file(APPEND ${TIMEZONES_FILE} " nullptr\n};\n\n")
file(APPEND ${TIMEZONES_FILE} "#include <string_view>\n\n")
file(APPEND ${TIMEZONES_FILE} "std::string_view getTimeZone(const char * name)\n{\n" )
set (COUNTER 1)
foreach(TIMEZONE ${TIMEZONES})
file(APPEND ${TIMEZONES_FILE} " if (std::string_view(\"${TIMEZONE}\") == name) return { reinterpret_cast<const char *>(gresource_timezone${COUNTER}Data), gresource_timezone${COUNTER}Size };\n")
MATH(EXPR COUNTER "${COUNTER}+1")
endforeach(TIMEZONE)
file(APPEND ${TIMEZONES_FILE} " return {};\n")
file(APPEND ${TIMEZONES_FILE} "}\n")
add_library (tzdata ${TIMEZONES_FILE})
target_link_libraries(tzdata ch_contrib::incbin)
target_link_libraries(_cctz tzdata)
add_library(ch_contrib::cctz ALIAS _cctz)

1
contrib/hashidsxx vendored

@ -1 +0,0 @@
Subproject commit 783f6911ccfdaca83e3cfac084c4aad888a80cee

14
contrib/hashidsxx-cmake/CMakeLists.txt
View File

@ -1,14 +0,0 @@
set (LIBRARY_DIR "${ClickHouse_SOURCE_DIR}/contrib/hashidsxx")
set (SRCS
"${LIBRARY_DIR}/hashids.cpp"
)
set (HDRS
"${LIBRARY_DIR}/hashids.h"
)
add_library(_hashidsxx ${SRCS} ${HDRS})
target_include_directories(_hashidsxx SYSTEM PUBLIC "${LIBRARY_DIR}")
add_library(ch_contrib::hashidsxx ALIAS _hashidsxx)

2
contrib/idxd-config vendored

@ -1 +1 @@
Subproject commit f6605c41a735e3fdfef2d2d18655a33af6490b99
Subproject commit a836ce0e42052a69bffbbc14239ab4097f3b77f1

1
contrib/incbin vendored Submodule

@ -0,0 +1 @@
Subproject commit 6e576cae5ab5810f25e2631f2e0b80cbe7dc8cbf

8
contrib/incbin-cmake/CMakeLists.txt Normal file
View File

@ -0,0 +1,8 @@
set(LIBRARY_DIR "${ClickHouse_SOURCE_DIR}/contrib/incbin")
add_library(_incbin INTERFACE)
target_include_directories(_incbin SYSTEM INTERFACE ${LIBRARY_DIR})
add_library(ch_contrib::incbin ALIAS _incbin)
# Warning "incbin is incompatible with bitcode. Using the library will break upload to App Store if you have bitcode enabled.
# Add `#define INCBIN_SILENCE_BITCODE_WARNING` before including this header to silence this warning."
target_compile_definitions(_incbin INTERFACE INCBIN_SILENCE_BITCODE_WARNING)

15
contrib/nlp-data-cmake/CMakeLists.txt
View File

@ -1,15 +0,0 @@
include(${ClickHouse_SOURCE_DIR}/cmake/embed_binary.cmake)
set(LIBRARY_DIR "${ClickHouse_SOURCE_DIR}/contrib/nlp-data")
add_library (_nlp_data INTERFACE)
clickhouse_embed_binaries(
TARGET nlp_dictionaries
RESOURCE_DIR "${LIBRARY_DIR}"
RESOURCES charset.zst tonality_ru.zst programming.zst
)
add_dependencies(_nlp_data nlp_dictionaries)
target_link_libraries(_nlp_data INTERFACE "-Wl,${WHOLE_ARCHIVE} $<TARGET_FILE:nlp_dictionaries> -Wl,${NO_WHOLE_ARCHIVE}")
add_library(ch_contrib::nlp_data ALIAS _nlp_data)

2
contrib/qpl vendored

@ -1 +1 @@
Subproject commit 3f8f5cea27739f5261e8fd577dc233ffe88bf679
Subproject commit faaf19350459c076e66bb5df11743c3fade59b73

2
docker/keeper/Dockerfile
View File

@ -32,7 +32,7 @@ RUN arch=${TARGETARCH:-amd64} \
esac
ARG REPOSITORY="https://s3.amazonaws.com/clickhouse-builds/22.4/31c367d3cd3aefd316778601ff6565119fe36682/package_release"
ARG VERSION="23.6.2.18"
ARG VERSION="23.7.1.2470"
ARG PACKAGES="clickhouse-keeper"
# user/group precreated explicitly with fixed uid/gid on purpose.

27
docker/packager/binary/Dockerfile
View File

@ -58,6 +58,33 @@ RUN curl https://sh.rustup.rs -sSf | bash -s -- -y && \
rustup target add aarch64-apple-darwin && \
rustup target add powerpc64le-unknown-linux-gnu
# Create vendor cache for cargo.
#
# Note, that the config.toml for the root is used, you will not be able to
# install any other crates, except those which had been vendored (since if
# there is "replace-with" for some source, then cargo will not look to other
# remotes except this).
#
# Notes for the command itself:
# - --chown is required to preserve the rights
# - unstable-options for -C
# - chmod is required to fix the permissions, since builds are running from a different user
# - copy of the Cargo.lock is required for proper dependencies versions
# - cargo vendor --sync is requried to overcome [1] bug.
#
# [1]: https://github.com/rust-lang/wg-cargo-std-aware/issues/23
COPY --chown=root:root /rust /rust/packages
RUN cargo -Z unstable-options -C /rust/packages vendor > $CARGO_HOME/config.toml && \
cp "$(rustc --print=sysroot)"/lib/rustlib/src/rust/Cargo.lock "$(rustc --print=sysroot)"/lib/rustlib/src/rust/library/test/ && \
cargo -Z unstable-options -C /rust/packages vendor --sync "$(rustc --print=sysroot)"/lib/rustlib/src/rust/library/test/Cargo.toml && \
rm "$(rustc --print=sysroot)"/lib/rustlib/src/rust/library/test/Cargo.lock && \
sed -i "s#\"vendor\"#\"/rust/vendor\"#" $CARGO_HOME/config.toml && \
cat $CARGO_HOME/config.toml && \
mv /rust/packages/vendor /rust/vendor && \
chmod -R o=r+X /rust/vendor && \
ls -R -l /rust/packages && \
rm -r /rust/packages
# NOTE: Seems like gcc-11 is too new for ubuntu20 repository
# A cross-linker for RISC-V 64 (we need it, because LLVM's LLD does not work):
RUN add-apt-repository ppa:ubuntu-toolchain-r/test --yes \

21
docker/packager/binary/build.sh
View File

@ -64,7 +64,7 @@ then
ninja $NINJA_FLAGS clickhouse-keeper
ls -la ./programs/
ldd ./programs/clickhouse-keeper
ldd ./programs/clickhouse-keeper ||:
if [ -n "$MAKE_DEB" ]; then
# No quotes because I want it to expand to nothing if empty.
@ -80,19 +80,9 @@ else
cmake --debug-trycompile -DCMAKE_VERBOSE_MAKEFILE=1 -LA "-DCMAKE_BUILD_TYPE=$BUILD_TYPE" "-DSANITIZE=$SANITIZER" -DENABLE_CHECK_HEAVY_BUILDS=1 "${CMAKE_FLAGS[@]}" ..
fi
if [ "coverity" == "$COMBINED_OUTPUT" ]
then
mkdir -p /workdir/cov-analysis
wget --post-data "token=$COVERITY_TOKEN&project=ClickHouse%2FClickHouse" -qO- https://scan.coverity.com/download/linux64 | tar xz -C /workdir/cov-analysis --strip-components 1
export PATH=$PATH:/workdir/cov-analysis/bin
cov-configure --config ./coverity.config --template --comptype clangcc --compiler "$CC"
SCAN_WRAPPER="cov-build --config ./coverity.config --dir cov-int"
fi
# No quotes because I want it to expand to nothing if empty.
# shellcheck disable=SC2086 # No quotes because I want it to expand to nothing if empty.
$SCAN_WRAPPER ninja $NINJA_FLAGS $BUILD_TARGET
ninja $NINJA_FLAGS $BUILD_TARGET
ls -la ./programs
@ -175,13 +165,6 @@ then
mv "$COMBINED_OUTPUT.tar.zst" /output
fi
if [ "coverity" == "$COMBINED_OUTPUT" ]
then
# Coverity does not understand ZSTD.
tar -cvz -f "coverity-scan.tar.gz" cov-int
mv "coverity-scan.tar.gz" /output
fi
ccache_status
ccache --evict-older-than 1d

1
docker/packager/binary/rust Symbolic link
View File

@ -0,0 +1 @@
../../../rust

7
docker/packager/packager
View File

@ -253,11 +253,6 @@ def parse_env_variables(
cmake_flags.append(f"-DCMAKE_C_COMPILER={cc}")
cmake_flags.append(f"-DCMAKE_CXX_COMPILER={cxx}")
# Create combined output archive for performance tests.
if package_type == "coverity":
result.append("COMBINED_OUTPUT=coverity")
result.append('COVERITY_TOKEN="$COVERITY_TOKEN"')
if sanitizer:
result.append(f"SANITIZER={sanitizer}")
if build_type:
@ -356,7 +351,7 @@ def parse_args() -> argparse.Namespace:
)
parser.add_argument(
"--package-type",
choices=["deb", "binary", "coverity"],
choices=["deb", "binary"],
required=True,
)
parser.add_argument(

2
docker/server/Dockerfile.alpine
View File

@ -33,7 +33,7 @@ RUN arch=${TARGETARCH:-amd64} \
# lts / testing / prestable / etc
ARG REPO_CHANNEL="stable"
ARG REPOSITORY="https://packages.clickhouse.com/tgz/${REPO_CHANNEL}"
ARG VERSION="23.6.2.18"
ARG VERSION="23.7.1.2470"
ARG PACKAGES="clickhouse-client clickhouse-server clickhouse-common-static"
# user/group precreated explicitly with fixed uid/gid on purpose.

2
docker/server/Dockerfile.ubuntu
View File

@ -23,7 +23,7 @@ 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="23.6.2.18"
ARG VERSION="23.7.1.2470"
ARG PACKAGES="clickhouse-client clickhouse-server clickhouse-common-static"
# set non-empty deb_location_url url to create a docker image

4
docker/test/base/Dockerfile
View File

@ -11,6 +11,7 @@ RUN apt-get update \
pv \
ripgrep \
zstd \
locales \
--yes --no-install-recommends
# Sanitizer options for services (clickhouse-server)
@ -28,6 +29,9 @@ ENV TSAN_OPTIONS='halt_on_error=1 history_size=7 memory_limit_mb=46080 second_de
ENV UBSAN_OPTIONS='print_stacktrace=1'
ENV MSAN_OPTIONS='abort_on_error=1 poison_in_dtor=1'
RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && locale-gen en_US.UTF-8
ENV LC_ALL en_US.UTF-8
ENV TZ=Europe/Moscow
RUN ln -snf "/usr/share/zoneinfo/$TZ" /etc/localtime && echo "$TZ" > /etc/timezone

2
docker/test/fasttest/run.sh
View File

@ -141,13 +141,13 @@ function clone_submodules
contrib/jemalloc
contrib/replxx
contrib/wyhash
contrib/hashidsxx
contrib/c-ares
contrib/morton-nd
contrib/xxHash
contrib/simdjson
contrib/liburing
contrib/libfiu
contrib/incbin
)
git submodule sync

3
docker/test/stateless/run.sh
View File

@ -4,6 +4,9 @@
set -e -x -a
# Choose random timezone for this test run.
#
# NOTE: that clickhouse-test will randomize session_timezone by itself as well
# (it will choose between default server timezone and something specific).
TZ="$(rg -v '#' /usr/share/zoneinfo/zone.tab | awk '{print $3}' | shuf | head -n1)"
echo "Choosen random timezone $TZ"
ln -snf "/usr/share/zoneinfo/$TZ" /etc/localtime && echo "$TZ" > /etc/timezone

3
docker/test/stress/run.sh
View File

@ -14,6 +14,7 @@ ln -s /usr/share/clickhouse-test/clickhouse-test /usr/bin/clickhouse-test
# Stress tests and upgrade check uses similar code that was placed
# in a separate bash library. See tests/ci/stress_tests.lib
source /usr/share/clickhouse-test/ci/attach_gdb.lib
source /usr/share/clickhouse-test/ci/stress_tests.lib
install_packages package_folder
@ -52,7 +53,7 @@ azurite-blob --blobHost 0.0.0.0 --blobPort 10000 --debug /azurite_log &
start
shellcheck disable=SC2086 # No quotes because I want to split it into words.
# shellcheck disable=SC2086 # No quotes because I want to split it into words.
/s3downloader --url-prefix "$S3_URL" --dataset-names $DATASETS
chmod 777 -R /var/lib/clickhouse
clickhouse-client --query "ATTACH DATABASE IF NOT EXISTS datasets ENGINE = Ordinary"

6
docker/test/style/Dockerfile
View File

@ -18,9 +18,13 @@ RUN apt-get update && env DEBIAN_FRONTEND=noninteractive apt-get install --yes \
python3-pip \
shellcheck \
yamllint \
locales \
&& pip3 install black==23.1.0 boto3 codespell==2.2.1 mypy==1.3.0 PyGithub unidiff pylint==2.6.2 \
&& apt-get clean \
&& rm -rf /root/.cache/pip
&& rm -rf /root/.cache/pip
RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && locale-gen en_US.UTF-8
ENV LC_ALL en_US.UTF-8
# Architecture of the image when BuildKit/buildx is used
ARG TARGETARCH

3
docker/test/upgrade/run.sh
View File

@ -16,6 +16,7 @@ ln -s /usr/share/clickhouse-test/ci/get_previous_release_tag.py /usr/bin/get_pre
# Stress tests and upgrade check uses similar code that was placed
# in a separate bash library. See tests/ci/stress_tests.lib
source /usr/share/clickhouse-test/ci/attach_gdb.lib
source /usr/share/clickhouse-test/ci/stress_tests.lib
azurite-blob --blobHost 0.0.0.0 --blobPort 10000 --debug /azurite_log &
@ -61,6 +62,7 @@ configure
# it contains some new settings, but we can safely remove it
rm /etc/clickhouse-server/config.d/merge_tree.xml
rm /etc/clickhouse-server/config.d/enable_wait_for_shutdown_replicated_tables.xml
rm /etc/clickhouse-server/users.d/nonconst_timezone.xml
start
@ -90,6 +92,7 @@ sudo chgrp clickhouse /etc/clickhouse-server/config.d/s3_storage_policy_by_defau
# it contains some new settings, but we can safely remove it
rm /etc/clickhouse-server/config.d/merge_tree.xml
rm /etc/clickhouse-server/config.d/enable_wait_for_shutdown_replicated_tables.xml
rm /etc/clickhouse-server/users.d/nonconst_timezone.xml
start

452
docs/changelogs/v23.7.1.2470-stable.md Normal file
View File

@ -0,0 +1,452 @@
---
sidebar_position: 1
sidebar_label: 2023
---
# 2023 Changelog
### ClickHouse release v23.7.1.2470-stable (a70127baecc) FIXME as compared to v23.6.1.1524-stable (d1c7e13d088)
#### Backward Incompatible Change
* Add ` NAMED COLLECTION` access type (aliases `USE NAMED COLLECTION`, `NAMED COLLECTION USAGE`). This PR is backward incompatible because this access type is disabled by default (because a parent access type `NAMED COLLECTION ADMIN` is disabled by default as well). Proposed in [#50277](https://github.com/ClickHouse/ClickHouse/issues/50277). To grant use `GRANT NAMED COLLECTION ON collection_name TO user` or `GRANT NAMED COLLECTION ON * TO user`, to be able to give these grants `named_collection_admin` is required in config (previously it was named `named_collection_control`, so will remain as an alias). [#50625](https://github.com/ClickHouse/ClickHouse/pull/50625) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fixing a typo in the `system.parts` column name `last_removal_attemp_time`. Now it is named `last_removal_attempt_time`. [#52104](https://github.com/ClickHouse/ClickHouse/pull/52104) ([filimonov](https://github.com/filimonov)).
* Bump version of the distributed_ddl_entry_format_version to 5 by default (enables opentelemetry and initial_query_idd pass through). This will not allow to process existing entries for distributed DDL after **downgrade** (but note, that usually there should be no such unprocessed entries). [#52128](https://github.com/ClickHouse/ClickHouse/pull/52128) ([Azat Khuzhin](https://github.com/azat)).
* Check projection metadata the same way we check ordinary metadata. This change may prevent the server from starting in case there was a table with an invalid projection. An example is a projection that created positional columns in PK (e.g. `projection p (select * order by 1, 4)` which is not allowed in table PK and can cause a crash during insert/merge). Drop such projections before the update. Fixes [#52353](https://github.com/ClickHouse/ClickHouse/issues/52353). [#52361](https://github.com/ClickHouse/ClickHouse/pull/52361) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* The experimental feature `hashid` is removed due to a bug. The quality of implementation was questionable at the start, and it didn't get through the experimental status. This closes [#52406](https://github.com/ClickHouse/ClickHouse/issues/52406). [#52449](https://github.com/ClickHouse/ClickHouse/pull/52449) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* The function `toDecimalString` is removed due to subpar implementation quality. This closes [#52407](https://github.com/ClickHouse/ClickHouse/issues/52407). [#52450](https://github.com/ClickHouse/ClickHouse/pull/52450) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
#### New Feature
* Implement KQL-style formatting for Interval. [#45671](https://github.com/ClickHouse/ClickHouse/pull/45671) ([ltrk2](https://github.com/ltrk2)).
* Support ZooKeeper `reconfig` command for CH Keeper with incremental reconfiguration which can be enabled via `keeper_server.enable_reconfiguration` setting. Support adding servers, removing servers, and changing server priorities. [#49450](https://github.com/ClickHouse/ClickHouse/pull/49450) ([Mike Kot](https://github.com/myrrc)).
* Kafka connector can fetch avro schema from schema registry with basic authentication using url-encoded credentials. [#49664](https://github.com/ClickHouse/ClickHouse/pull/49664) ([Ilya Golshtein](https://github.com/ilejn)).
* Add function `arrayJaccardIndex` which computes the Jaccard similarity between two arrays. [#50076](https://github.com/ClickHouse/ClickHouse/pull/50076) ([FFFFFFFHHHHHHH](https://github.com/FFFFFFFHHHHHHH)).
* Added support for prql as a query language. [#50686](https://github.com/ClickHouse/ClickHouse/pull/50686) ([János Benjamin Antal](https://github.com/antaljanosbenjamin)).
* Add a column is_obsolete to system.settings and similar tables. Closes [#50819](https://github.com/ClickHouse/ClickHouse/issues/50819). [#50826](https://github.com/ClickHouse/ClickHouse/pull/50826) ([flynn](https://github.com/ucasfl)).
* Implement support of encrypted elements in configuration file Added possibility to use encrypted text in leaf elements of configuration file. The text is encrypted using encryption codecs from <encryption_codecs> section. [#50986](https://github.com/ClickHouse/ClickHouse/pull/50986) ([Roman Vasin](https://github.com/rvasin)).
* Just a new request of [#49483](https://github.com/ClickHouse/ClickHouse/issues/49483). [#51013](https://github.com/ClickHouse/ClickHouse/pull/51013) ([lgbo](https://github.com/lgbo-ustc)).
* Add SYSTEM STOP LISTEN query. Closes [#47972](https://github.com/ClickHouse/ClickHouse/issues/47972). [#51016](https://github.com/ClickHouse/ClickHouse/pull/51016) ([Nikolay Degterinsky](https://github.com/evillique)).
* Add input_format_csv_allow_variable_number_of_columns options. [#51273](https://github.com/ClickHouse/ClickHouse/pull/51273) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Another boring feature: add function substring_index, as in spark or mysql. [#51472](https://github.com/ClickHouse/ClickHouse/pull/51472) ([李扬](https://github.com/taiyang-li)).
* Show stats for jemalloc bins. Example ``` SELECT *, size * (nmalloc - ndalloc) AS allocated_bytes FROM system.jemalloc_bins WHERE allocated_bytes > 0 ORDER BY allocated_bytes DESC LIMIT 10. [#51674](https://github.com/ClickHouse/ClickHouse/pull/51674) ([Alexander Gololobov](https://github.com/davenger)).
* Add RowBinaryWithDefaults format with extra byte before each column for using column default value. Closes [#50854](https://github.com/ClickHouse/ClickHouse/issues/50854). [#51695](https://github.com/ClickHouse/ClickHouse/pull/51695) ([Kruglov Pavel](https://github.com/Avogar)).
* Added `default_temporary_table_engine` setting. Same as `default_table_engine` but for temporary tables. [#51292](https://github.com/ClickHouse/ClickHouse/issues/51292). [#51708](https://github.com/ClickHouse/ClickHouse/pull/51708) ([velavokr](https://github.com/velavokr)).
* Added new initcap / initcapUTF8 functions which convert the first letter of each word to upper case and the rest to lower case. [#51735](https://github.com/ClickHouse/ClickHouse/pull/51735) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Create table now supports `PRIMARY KEY` syntax in column definition. Columns are added to primary index in the same order columns are defined. [#51881](https://github.com/ClickHouse/ClickHouse/pull/51881) ([Ilya Yatsishin](https://github.com/qoega)).
* Added the possibility to use date and time format specifiers in log and error log file names, either in config files (`log` and `errorlog` tags) or command line arguments (`--log-file` and `--errorlog-file`). [#51945](https://github.com/ClickHouse/ClickHouse/pull/51945) ([Victor Krasnov](https://github.com/sirvickr)).
* Added Peak Memory Usage (for query) to client final statistics, and to http header. [#51946](https://github.com/ClickHouse/ClickHouse/pull/51946) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Added new hasSubsequence() (+CaseInsensitive + UTF8 versions) functions. [#52050](https://github.com/ClickHouse/ClickHouse/pull/52050) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Add `array_agg` as alias of `groupArray` for PostgreSQL compatibility. Closes [#52100](https://github.com/ClickHouse/ClickHouse/issues/52100). ### Documentation entry for user-facing changes. [#52135](https://github.com/ClickHouse/ClickHouse/pull/52135) ([flynn](https://github.com/ucasfl)).
* Add `any_value` as a compatibility alias for `any` aggregate function. Closes [#52140](https://github.com/ClickHouse/ClickHouse/issues/52140). [#52147](https://github.com/ClickHouse/ClickHouse/pull/52147) ([flynn](https://github.com/ucasfl)).
* Add aggregate function `array_concat_agg` for compatibility with BigQuery, it's alias of `groupArrayArray`. Closes [#52139](https://github.com/ClickHouse/ClickHouse/issues/52139). [#52149](https://github.com/ClickHouse/ClickHouse/pull/52149) ([flynn](https://github.com/ucasfl)).
* Add `OCTET_LENGTH` as an alias to `length`. Closes [#52153](https://github.com/ClickHouse/ClickHouse/issues/52153). [#52176](https://github.com/ClickHouse/ClickHouse/pull/52176) ([FFFFFFFHHHHHHH](https://github.com/FFFFFFFHHHHHHH)).
* Re-add SipHash keyed functions. [#52206](https://github.com/ClickHouse/ClickHouse/pull/52206) ([Salvatore Mesoraca](https://github.com/aiven-sal)).
* Added `firstLine` function to extract the first line from the multi-line string. This closes [#51172](https://github.com/ClickHouse/ClickHouse/issues/51172). [#52209](https://github.com/ClickHouse/ClickHouse/pull/52209) ([Mikhail Koviazin](https://github.com/mkmkme)).
#### Performance Improvement
* Enable `move_all_conditions_to_prewhere` and `enable_multiple_prewhere_read_steps` settings by default. [#46365](https://github.com/ClickHouse/ClickHouse/pull/46365) ([Alexander Gololobov](https://github.com/davenger)).
* Improves performance of some queries by tuning allocator. [#46416](https://github.com/ClickHouse/ClickHouse/pull/46416) ([Azat Khuzhin](https://github.com/azat)).
* Writing parquet files is 10x faster, it's multi-threaded now. Almost the same speed as reading. [#49367](https://github.com/ClickHouse/ClickHouse/pull/49367) ([Michael Kolupaev](https://github.com/al13n321)).
* Enable automatic selection of the sparse serialization format by default. It improves performance. The format is supported since version 22.1. After this change, downgrading to versions older than 22.1 might not be possible. You can turn off the usage of the sparse serialization format by providing the `ratio_of_defaults_for_sparse_serialization = 1` setting for your MergeTree tables. [#49631](https://github.com/ClickHouse/ClickHouse/pull/49631) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Now we use fixed-size tasks in `MergeTreePrefetchedReadPool` as in `MergeTreeReadPool`. Also from now we use connection pool for S3 requests. [#49732](https://github.com/ClickHouse/ClickHouse/pull/49732) ([Nikita Taranov](https://github.com/nickitat)).
* More pushdown to the right side of join. [#50532](https://github.com/ClickHouse/ClickHouse/pull/50532) ([Nikita Taranov](https://github.com/nickitat)).
* Improve grace_hash join by reserving hash table's size (resubmit). [#50875](https://github.com/ClickHouse/ClickHouse/pull/50875) ([lgbo](https://github.com/lgbo-ustc)).
* Waiting on lock in `OpenedFileCache` could be noticeable sometimes. We sharded it into multiple sub-maps (each with its own lock) to avoid contention. [#51341](https://github.com/ClickHouse/ClickHouse/pull/51341) ([Nikita Taranov](https://github.com/nickitat)).
* Remove duplicate condition in functionunixtimestamp64.h. [#51857](https://github.com/ClickHouse/ClickHouse/pull/51857) ([lcjh](https://github.com/ljhcage)).
* The idea is that conditions with PK columns are likely to be used in PK analysis and will not contribute much more to PREWHERE filtering. [#51958](https://github.com/ClickHouse/ClickHouse/pull/51958) ([Alexander Gololobov](https://github.com/davenger)).
* 1. Add rewriter for both old and new analyzer. 2. Add settings `optimize_uniq_to_count` which default is 0. [#52004](https://github.com/ClickHouse/ClickHouse/pull/52004) ([JackyWoo](https://github.com/JackyWoo)).
* The performance experiments of **OnTime** on the ICX device (Intel Xeon Platinum 8380 CPU, 80 cores, 160 threads) show that this change could bring an improvement of **11.6%** to the QPS of the query **Q8** while having no impact on others. [#52036](https://github.com/ClickHouse/ClickHouse/pull/52036) ([Zhiguo Zhou](https://github.com/ZhiguoZh)).
* Enable `allow_vertical_merges_from_compact_to_wide_parts` by default. It will save memory usage during merges. [#52295](https://github.com/ClickHouse/ClickHouse/pull/52295) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix incorrect projection analysis which invalidates primary keys. This issue only exists when `query_plan_optimize_primary_key = 1, query_plan_optimize_projection = 1` . This fixes [#48823](https://github.com/ClickHouse/ClickHouse/issues/48823) . This fixes [#51173](https://github.com/ClickHouse/ClickHouse/issues/51173) . [#52308](https://github.com/ClickHouse/ClickHouse/pull/52308) ([Amos Bird](https://github.com/amosbird)).
* Reduce the number of syscalls in FileCache::loadMetadata. [#52435](https://github.com/ClickHouse/ClickHouse/pull/52435) ([Raúl Marín](https://github.com/Algunenano)).
#### Improvement
* Added query `SYSTEM FLUSH ASYNC INSERT QUEUE` which flushes all pending asynchronous inserts to the destination tables. Added a server-side setting `async_insert_queue_flush_on_shutdown` (`true` by default) which determines whether to flush queue of asynchronous inserts on graceful shutdown. Setting `async_insert_threads` is now a server-side setting. [#49160](https://github.com/ClickHouse/ClickHouse/pull/49160) ([Anton Popov](https://github.com/CurtizJ)).
* Don't show messages about `16 EiB` free space in logs, as they don't make sense. This closes [#49320](https://github.com/ClickHouse/ClickHouse/issues/49320). [#49342](https://github.com/ClickHouse/ClickHouse/pull/49342) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Properly check the limit for the `sleepEachRow` function. Add a setting `function_sleep_max_microseconds_per_block`. This is needed for generic query fuzzer. [#49343](https://github.com/ClickHouse/ClickHouse/pull/49343) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix two issues: ``` select geohashEncode(120.2, number::Float64) from numbers(10);. [#50066](https://github.com/ClickHouse/ClickHouse/pull/50066) ([李扬](https://github.com/taiyang-li)).
* Add support for external disks in Keeper for storing snapshots and logs. [#50098](https://github.com/ClickHouse/ClickHouse/pull/50098) ([Antonio Andelic](https://github.com/antonio2368)).
* Add support for multi-directory selection (`{}`) globs. [#50559](https://github.com/ClickHouse/ClickHouse/pull/50559) ([Andrey Zvonov](https://github.com/zvonand)).
* Allow to have strict lower boundary for file segment size by downloading remaining data in the background. Minimum size of file segment (if actual file size is bigger) is configured as cache configuration setting `boundary_alignment`, by default `4Mi`. Number of background threads are configured as cache configuration setting `background_download_threads`, by default `2`. Also `max_file_segment_size` was increased from `8Mi` to `32Mi` in this PR. [#51000](https://github.com/ClickHouse/ClickHouse/pull/51000) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Allow filtering HTTP headers with `http_forbid_headers` section in config. Both exact matching and regexp filters are available. [#51038](https://github.com/ClickHouse/ClickHouse/pull/51038) ([Nikolay Degterinsky](https://github.com/evillique)).
* #50727 new alias for function current_database and added new function current_schemas. [#51076](https://github.com/ClickHouse/ClickHouse/pull/51076) ([Pedro Riera](https://github.com/priera)).
* Log async insert flush queries into to system.query_log. [#51160](https://github.com/ClickHouse/ClickHouse/pull/51160) ([Raúl Marín](https://github.com/Algunenano)).
* Decreased default timeouts for S3 from 30 seconds to 3 seconds, and for other HTTP from 180 seconds to 30 seconds. [#51171](https://github.com/ClickHouse/ClickHouse/pull/51171) ([Michael Kolupaev](https://github.com/al13n321)).
* Use read_bytes/total_bytes_to_read for progress bar in s3/file/url/... table functions for better progress indication. [#51286](https://github.com/ClickHouse/ClickHouse/pull/51286) ([Kruglov Pavel](https://github.com/Avogar)).
* Functions "date_diff() and age()" now support millisecond/microsecond unit and work with microsecond precision. [#51291](https://github.com/ClickHouse/ClickHouse/pull/51291) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Allow SQL standard `FETCH` without `OFFSET`. See https://antonz.org/sql-fetch/. [#51293](https://github.com/ClickHouse/ClickHouse/pull/51293) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Improve parsing of path in clickhouse-keeper-client. [#51359](https://github.com/ClickHouse/ClickHouse/pull/51359) ([Azat Khuzhin](https://github.com/azat)).
* A third-party product depending on ClickHouse (Gluten: Plugin to Double SparkSQL's Performance) had a bug. This fix avoids heap overflow in that third-party product while reading from HDFS. [#51386](https://github.com/ClickHouse/ClickHouse/pull/51386) ([李扬](https://github.com/taiyang-li)).
* Fix checking error caused by uninitialized class members. [#51418](https://github.com/ClickHouse/ClickHouse/pull/51418) ([李扬](https://github.com/taiyang-li)).
* Add ability to disable native copy for S3 (setting for BACKUP/RESTORE `allow_s3_native_copy`, and `s3_allow_native_copy` for `s3`/`s3_plain` disks). [#51448](https://github.com/ClickHouse/ClickHouse/pull/51448) ([Azat Khuzhin](https://github.com/azat)).
* Add column `primary_key_size` to `system.parts` table to show compressed primary key size on disk. Closes [#51400](https://github.com/ClickHouse/ClickHouse/issues/51400). [#51496](https://github.com/ClickHouse/ClickHouse/pull/51496) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Allow running `clickhouse-local` without procfs, without home directory existing, and without name resolution plugins from glibc. [#51518](https://github.com/ClickHouse/ClickHouse/pull/51518) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Correcting the message of modify storage policy https://github.com/clickhouse/clickhouse/issues/51516 ### documentation entry for user-facing changes. [#51519](https://github.com/ClickHouse/ClickHouse/pull/51519) ([xiaolei565](https://github.com/xiaolei565)).
* Support `DROP FILESYSTEM CACHE <cache_name> KEY <key> [ OFFSET <offset>]`. [#51547](https://github.com/ClickHouse/ClickHouse/pull/51547) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Allow to add disk name for custom disks. Previously custom disks would use an internal generated disk name. Now it will be possible with `disk = disk_<name>(...)` (e.g. disk will have name `name`) . [#51552](https://github.com/ClickHouse/ClickHouse/pull/51552) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Add placeholder `%a` for rull filename in rename_files_after_processing setting. [#51603](https://github.com/ClickHouse/ClickHouse/pull/51603) ([Kruglov Pavel](https://github.com/Avogar)).
* Add column modification time into system.parts_columns. [#51685](https://github.com/ClickHouse/ClickHouse/pull/51685) ([Azat Khuzhin](https://github.com/azat)).
* Add new setting `input_format_csv_use_default_on_bad_values` to CSV format that allows to insert default value when parsing of a single field failed. [#51716](https://github.com/ClickHouse/ClickHouse/pull/51716) ([KevinyhZou](https://github.com/KevinyhZou)).
* Added a crash log flush to the disk after the unexpected crash. [#51720](https://github.com/ClickHouse/ClickHouse/pull/51720) ([Alexey Gerasimchuck](https://github.com/Demilivor)).
* Fix behavior in dashboard page where errors unrelated to authentication are not shown. Also fix 'overlapping' chart behavior. [#51744](https://github.com/ClickHouse/ClickHouse/pull/51744) ([Zach Naimon](https://github.com/ArctypeZach)).
* Allow UUID to UInt128 conversion. [#51765](https://github.com/ClickHouse/ClickHouse/pull/51765) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Added support for function range of Nullable arguments. [#51767](https://github.com/ClickHouse/ClickHouse/pull/51767) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Convert condition like `toyear(x) = c` to `c1 <= x < c2`. [#51795](https://github.com/ClickHouse/ClickHouse/pull/51795) ([Han Fei](https://github.com/hanfei1991)).
* Improve MySQL compatibility of statement SHOW INDEX. [#51796](https://github.com/ClickHouse/ClickHouse/pull/51796) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix `use_structure_from_insertion_table_in_table_functions` does not work with `MATERIALIZED` and `ALIAS` columns. Closes [#51817](https://github.com/ClickHouse/ClickHouse/issues/51817). Closes [#51019](https://github.com/ClickHouse/ClickHouse/issues/51019). [#51825](https://github.com/ClickHouse/ClickHouse/pull/51825) ([flynn](https://github.com/ucasfl)).
* Introduce a table setting `wait_for_unique_parts_send_before_shutdown_ms` which specify the amount of time replica will wait before closing interserver handler for replicated sends. Also fix inconsistency with shutdown of tables and interserver handlers: now server shutdown tables first and only after it shut down interserver handlers. [#51851](https://github.com/ClickHouse/ClickHouse/pull/51851) ([alesapin](https://github.com/alesapin)).
* CacheDictionary request only unique keys from source. Closes [#51762](https://github.com/ClickHouse/ClickHouse/issues/51762). [#51853](https://github.com/ClickHouse/ClickHouse/pull/51853) ([Maksim Kita](https://github.com/kitaisreal)).
* Fixed settings not applied for explain query when format provided. [#51859](https://github.com/ClickHouse/ClickHouse/pull/51859) ([Nikita Taranov](https://github.com/nickitat)).
* Allow SETTINGS before FORMAT in DESCRIBE TABLE query for compatibility with SELECT query. Closes [#51544](https://github.com/ClickHouse/ClickHouse/issues/51544). [#51899](https://github.com/ClickHouse/ClickHouse/pull/51899) ([Nikolay Degterinsky](https://github.com/evillique)).
* Var-int encoded integers (e.g. used by the native protocol) can now use the full 64-bit range. 3rd party clients are advised to update their var-int code accordingly. [#51905](https://github.com/ClickHouse/ClickHouse/pull/51905) ([Robert Schulze](https://github.com/rschu1ze)).
* Update certificates when they change without the need to manually SYSTEM RELOAD CONFIG. [#52030](https://github.com/ClickHouse/ClickHouse/pull/52030) ([Mike Kot](https://github.com/myrrc)).
* Added `allow_create_index_without_type` setting that allow to ignore `ADD INDEX` queries without specified `TYPE`. Standard SQL queries will just succeed without changing table schema. [#52056](https://github.com/ClickHouse/ClickHouse/pull/52056) ([Ilya Yatsishin](https://github.com/qoega)).
* Fixed crash when mysqlxx::Pool::Entry is used after it was disconnected. [#52063](https://github.com/ClickHouse/ClickHouse/pull/52063) ([Val Doroshchuk](https://github.com/valbok)).
* CREATE TABLE ... AS SELECT .. is now supported in MaterializedMySQL. [#52067](https://github.com/ClickHouse/ClickHouse/pull/52067) ([Val Doroshchuk](https://github.com/valbok)).
* Introduced automatic conversion of text types to utf8 for MaterializedMySQL. [#52084](https://github.com/ClickHouse/ClickHouse/pull/52084) ([Val Doroshchuk](https://github.com/valbok)).
* Add alias for functions `today` (now available under the `curdate`/`current_date` names) and `now` (`current_timestamp`). [#52106](https://github.com/ClickHouse/ClickHouse/pull/52106) ([Lloyd-Pottiger](https://github.com/Lloyd-Pottiger)).
* Log messages are written to text_log from the beginning. [#52113](https://github.com/ClickHouse/ClickHouse/pull/52113) ([Dmitry Kardymon](https://github.com/kardymonds)).
* In cases where the HTTP endpoint has multiple IP addresses and the first of them is unreachable, a timeout exception will be thrown. Made session creation with handling all resolved endpoints. [#52116](https://github.com/ClickHouse/ClickHouse/pull/52116) ([Aleksei Filatov](https://github.com/aalexfvk)).
* Support async_deduplication_token for async insert. [#52136](https://github.com/ClickHouse/ClickHouse/pull/52136) ([Han Fei](https://github.com/hanfei1991)).
* Avro input format support Union with single type. Closes [#52131](https://github.com/ClickHouse/ClickHouse/issues/52131). [#52137](https://github.com/ClickHouse/ClickHouse/pull/52137) ([flynn](https://github.com/ucasfl)).
* Add setting `optimize_use_implicit_projections` to disable implicit projections (currently only `min_max_count` projection). This is defaulted to false until [#52075](https://github.com/ClickHouse/ClickHouse/issues/52075) is fixed. [#52152](https://github.com/ClickHouse/ClickHouse/pull/52152) ([Amos Bird](https://github.com/amosbird)).
* It was possible to use the function `hasToken` for infinite loop. Now this possibility is removed. This closes [#52156](https://github.com/ClickHouse/ClickHouse/issues/52156). [#52160](https://github.com/ClickHouse/ClickHouse/pull/52160) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* 1. Upgrade Intel QPL from v1.1.0 to v1.2.0 2. Upgrade Intel accel-config from v3.5 to v4.0 3. Fixed issue that Device IOTLB miss has big perf. impact for IAA accelerators. [#52180](https://github.com/ClickHouse/ClickHouse/pull/52180) ([jasperzhu](https://github.com/jinjunzh)).
* Functions "date_diff() and age()" now support millisecond/microsecond unit and work with microsecond precision. [#52181](https://github.com/ClickHouse/ClickHouse/pull/52181) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Create ZK ancestors optimistically. [#52195](https://github.com/ClickHouse/ClickHouse/pull/52195) ([Raúl Marín](https://github.com/Algunenano)).
* Fix [#50582](https://github.com/ClickHouse/ClickHouse/issues/50582). Avoid the `Not found column ... in block` error in some cases of reading in-order and constants. [#52259](https://github.com/ClickHouse/ClickHouse/pull/52259) ([Chen768959](https://github.com/Chen768959)).
* Check whether S2 geo primitives are invalid as early as possible on ClickHouse side. This closes: [#27090](https://github.com/ClickHouse/ClickHouse/issues/27090). [#52260](https://github.com/ClickHouse/ClickHouse/pull/52260) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Now unquoted utf-8 strings are supported in DDL for MaterializedMySQL. [#52318](https://github.com/ClickHouse/ClickHouse/pull/52318) ([Val Doroshchuk](https://github.com/valbok)).
* Add back missing projection QueryAccessInfo when `query_plan_optimize_projection = 1`. This fixes [#50183](https://github.com/ClickHouse/ClickHouse/issues/50183) . This fixes [#50093](https://github.com/ClickHouse/ClickHouse/issues/50093) . [#52327](https://github.com/ClickHouse/ClickHouse/pull/52327) ([Amos Bird](https://github.com/amosbird)).
* Add new setting `disable_url_encoding` that allows to disable decoding/encoding path in uri in URL engine. [#52337](https://github.com/ClickHouse/ClickHouse/pull/52337) ([Kruglov Pavel](https://github.com/Avogar)).
* When `ZooKeeperRetriesControl` rethrows an error, it's more useful to see its original stack trace, not the one from `ZooKeeperRetriesControl` itself. [#52347](https://github.com/ClickHouse/ClickHouse/pull/52347) ([Vitaly Baranov](https://github.com/vitlibar)).
* Now double quoted comments are supported in MaterializedMySQL. [#52355](https://github.com/ClickHouse/ClickHouse/pull/52355) ([Val Doroshchuk](https://github.com/valbok)).
* Wait for zero copy replication lock even if some disks don't support it. [#52376](https://github.com/ClickHouse/ClickHouse/pull/52376) ([Raúl Marín](https://github.com/Algunenano)).
* Now it's possible to specify min (`memory_profiler_sample_min_allocation_size`) and max (`memory_profiler_sample_max_allocation_size`) size for allocations to be tracked with sampling memory profiler. [#52419](https://github.com/ClickHouse/ClickHouse/pull/52419) ([alesapin](https://github.com/alesapin)).
* The `session_timezone` setting is demoted to experimental. [#52445](https://github.com/ClickHouse/ClickHouse/pull/52445) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Now interserver port will be closed only after tables are shut down. [#52498](https://github.com/ClickHouse/ClickHouse/pull/52498) ([alesapin](https://github.com/alesapin)).
* Added field `refcount` to `system.remote_data_paths` table. [#52518](https://github.com/ClickHouse/ClickHouse/pull/52518) ([Anton Popov](https://github.com/CurtizJ)).
* New setting `merge_tree_determine_task_size_by_prewhere_columns` added. If set to `true` only sizes of the columns from `PREWHERE` section will be considered to determine reading task size. Otherwise all the columns from query are considered. [#52606](https://github.com/ClickHouse/ClickHouse/pull/52606) ([Nikita Taranov](https://github.com/nickitat)).
#### Build/Testing/Packaging Improvement
* Add experimental ClickHouse builds for Linux RISC-V 64 to CI. [#31398](https://github.com/ClickHouse/ClickHouse/pull/31398) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fixed CRC32(WeakHash32) issue for s390x. [#50365](https://github.com/ClickHouse/ClickHouse/pull/50365) ([Harry Lee](https://github.com/HarryLeeIBM)).
* Add integration test check with the enabled analyzer. [#50926](https://github.com/ClickHouse/ClickHouse/pull/50926) ([Dmitry Novik](https://github.com/novikd)).
* Update cargo dependencies. [#51721](https://github.com/ClickHouse/ClickHouse/pull/51721) ([Raúl Marín](https://github.com/Algunenano)).
* Fixed several issues found by OSS-Fuzz. [#51736](https://github.com/ClickHouse/ClickHouse/pull/51736) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* There were a couple of failures because of (?) S3 availability. The sccache has a feature of failing over to local compilation. [#51893](https://github.com/ClickHouse/ClickHouse/pull/51893) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* 02242_delete_user_race and 02243_drop_user_grant_race tests have been corrected. [#51923](https://github.com/ClickHouse/ClickHouse/pull/51923) ([Alexey Gerasimchuck](https://github.com/Demilivor)).
* Make the function `CHColumnToArrowColumn::fillArrowArrayWithArrayColumnData` to work with nullable arrays, which are not possible in ClickHouse, but needed for Gluten. [#52112](https://github.com/ClickHouse/ClickHouse/pull/52112) ([李扬](https://github.com/taiyang-li)).
* We've updated the CCTZ library to master, but there are no user-visible changes. [#52124](https://github.com/ClickHouse/ClickHouse/pull/52124) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* The `system.licenses` table now includes the hard-forked library Poco. This closes [#52066](https://github.com/ClickHouse/ClickHouse/issues/52066). [#52127](https://github.com/ClickHouse/ClickHouse/pull/52127) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Follow up [#50926](https://github.com/ClickHouse/ClickHouse/issues/50926). Add integration tests check with enabled analyzer to master. [#52210](https://github.com/ClickHouse/ClickHouse/pull/52210) ([Dmitry Novik](https://github.com/novikd)).
* Reproducible builds for Rust. [#52395](https://github.com/ClickHouse/ClickHouse/pull/52395) ([Azat Khuzhin](https://github.com/azat)).
* Improve the startup time of `clickhouse-client` and `clickhouse-local` in debug and sanitizer builds. This closes [#52228](https://github.com/ClickHouse/ClickHouse/issues/52228). [#52489](https://github.com/ClickHouse/ClickHouse/pull/52489) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Check that there are no cases of bad punctuation: whitespace before a comma like `Hello ,world` instead of `Hello, world`. [#52549](https://github.com/ClickHouse/ClickHouse/pull/52549) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* Fix materialised pg syncTables [#49698](https://github.com/ClickHouse/ClickHouse/pull/49698) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix projection with optimize_aggregators_of_group_by_keys [#49709](https://github.com/ClickHouse/ClickHouse/pull/49709) ([Amos Bird](https://github.com/amosbird)).
* Fix optimize_skip_unused_shards with JOINs [#51037](https://github.com/ClickHouse/ClickHouse/pull/51037) ([Azat Khuzhin](https://github.com/azat)).
* Fix formatDateTime() with fractional negative datetime64 [#51290](https://github.com/ClickHouse/ClickHouse/pull/51290) ([Dmitry Kardymon](https://github.com/kardymonds)).
* Functions `hasToken*` were totally wrong. Add a test for [#43358](https://github.com/ClickHouse/ClickHouse/issues/43358) [#51378](https://github.com/ClickHouse/ClickHouse/pull/51378) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix optimization to move functions before sorting. [#51481](https://github.com/ClickHouse/ClickHouse/pull/51481) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix Block structure mismatch in Pipe::unitePipes for FINAL [#51492](https://github.com/ClickHouse/ClickHouse/pull/51492) ([Nikita Taranov](https://github.com/nickitat)).
* Fix SIGSEGV for clusters with zero weight across all shards (fixes INSERT INTO FUNCTION clusterAllReplicas()) [#51545](https://github.com/ClickHouse/ClickHouse/pull/51545) ([Azat Khuzhin](https://github.com/azat)).
* Fix timeout for hedged requests [#51582](https://github.com/ClickHouse/ClickHouse/pull/51582) ([Azat Khuzhin](https://github.com/azat)).
* Fix logical error in ANTI join with NULL [#51601](https://github.com/ClickHouse/ClickHouse/pull/51601) ([vdimir](https://github.com/vdimir)).
* Fix for moving 'IN' conditions to PREWHERE [#51610](https://github.com/ClickHouse/ClickHouse/pull/51610) ([Alexander Gololobov](https://github.com/davenger)).
* Do not apply PredicateExpressionsOptimizer for ASOF/ANTI join [#51633](https://github.com/ClickHouse/ClickHouse/pull/51633) ([vdimir](https://github.com/vdimir)).
* Fix async insert with deduplication for ReplicatedMergeTree using merging algorithms [#51676](https://github.com/ClickHouse/ClickHouse/pull/51676) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix reading from empty column in `parseSipHashKey` [#51804](https://github.com/ClickHouse/ClickHouse/pull/51804) ([Nikita Taranov](https://github.com/nickitat)).
* Fix segfault when create invalid EmbeddedRocksdb table [#51847](https://github.com/ClickHouse/ClickHouse/pull/51847) ([Duc Canh Le](https://github.com/canhld94)).
* Fix inserts into MongoDB tables [#51876](https://github.com/ClickHouse/ClickHouse/pull/51876) ([Nikolay Degterinsky](https://github.com/evillique)).
* Fix deadlock on DatabaseCatalog shutdown [#51908](https://github.com/ClickHouse/ClickHouse/pull/51908) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix error in subquery operators [#51922](https://github.com/ClickHouse/ClickHouse/pull/51922) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix async connect to hosts with multiple ips [#51934](https://github.com/ClickHouse/ClickHouse/pull/51934) ([Kruglov Pavel](https://github.com/Avogar)).
* Do not remove inputs after ActionsDAG::merge [#51947](https://github.com/ClickHouse/ClickHouse/pull/51947) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Check refcount in `RemoveManyObjectStorageOperation::finalize` instead of `execute` [#51954](https://github.com/ClickHouse/ClickHouse/pull/51954) ([vdimir](https://github.com/vdimir)).
* Allow parametric UDFs [#51964](https://github.com/ClickHouse/ClickHouse/pull/51964) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Small fix for toDateTime64() for dates after 2283-12-31 [#52130](https://github.com/ClickHouse/ClickHouse/pull/52130) ([Andrey Zvonov](https://github.com/zvonand)).
* Fix ORDER BY tuple of WINDOW functions [#52145](https://github.com/ClickHouse/ClickHouse/pull/52145) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix incorrect projection analysis when aggregation expression contains monotonic functions [#52151](https://github.com/ClickHouse/ClickHouse/pull/52151) ([Amos Bird](https://github.com/amosbird)).
* Fix error in `groupArrayMoving` functions [#52161](https://github.com/ClickHouse/ClickHouse/pull/52161) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Disable direct join for range dictionary [#52187](https://github.com/ClickHouse/ClickHouse/pull/52187) ([Duc Canh Le](https://github.com/canhld94)).
* Fix sticky mutations test (and extremely rare race condition) [#52197](https://github.com/ClickHouse/ClickHouse/pull/52197) ([alesapin](https://github.com/alesapin)).
* Fix race in Web disk [#52211](https://github.com/ClickHouse/ClickHouse/pull/52211) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix data race in Connection::setAsyncCallback on unknown packet from server [#52219](https://github.com/ClickHouse/ClickHouse/pull/52219) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix temp data deletion on startup, add test [#52275](https://github.com/ClickHouse/ClickHouse/pull/52275) ([vdimir](https://github.com/vdimir)).
* Don't use minmax_count projections when counting nullable columns [#52297](https://github.com/ClickHouse/ClickHouse/pull/52297) ([Amos Bird](https://github.com/amosbird)).
* MergeTree/ReplicatedMergeTree should use server timezone for log entries [#52325](https://github.com/ClickHouse/ClickHouse/pull/52325) ([Azat Khuzhin](https://github.com/azat)).
* Fix parameterized view with cte and multiple usage [#52328](https://github.com/ClickHouse/ClickHouse/pull/52328) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Disable expression templates for time intervals [#52335](https://github.com/ClickHouse/ClickHouse/pull/52335) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix `apply_snapshot` in Keeper [#52358](https://github.com/ClickHouse/ClickHouse/pull/52358) ([Antonio Andelic](https://github.com/antonio2368)).
* Update build-osx.md [#52377](https://github.com/ClickHouse/ClickHouse/pull/52377) ([AlexBykovski](https://github.com/AlexBykovski)).
* Fix `countSubstrings()` hang with empty needle and a column haystack [#52409](https://github.com/ClickHouse/ClickHouse/pull/52409) ([Sergei Trifonov](https://github.com/serxa)).
* Fix normal projection with merge table [#52432](https://github.com/ClickHouse/ClickHouse/pull/52432) ([Amos Bird](https://github.com/amosbird)).
* Fix possible double-free in Aggregator [#52439](https://github.com/ClickHouse/ClickHouse/pull/52439) ([Nikita Taranov](https://github.com/nickitat)).
* Fixed inserting into Buffer engine [#52440](https://github.com/ClickHouse/ClickHouse/pull/52440) ([Vasily Nemkov](https://github.com/Enmk)).
* The implementation of AnyHash was non-conformant. [#52448](https://github.com/ClickHouse/ClickHouse/pull/52448) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Check recursion depth in OptimizedRegularExpression [#52451](https://github.com/ClickHouse/ClickHouse/pull/52451) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix data-race DatabaseReplicated::startupTables()/canExecuteReplicatedMetadataAlter() [#52490](https://github.com/ClickHouse/ClickHouse/pull/52490) ([Azat Khuzhin](https://github.com/azat)).
* Fix abort in function `transform` [#52513](https://github.com/ClickHouse/ClickHouse/pull/52513) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix lightweight delete after drop of projection [#52517](https://github.com/ClickHouse/ClickHouse/pull/52517) ([Anton Popov](https://github.com/CurtizJ)).
* Fix possible error "Cannot drain connections: cancel first" [#52585](https://github.com/ClickHouse/ClickHouse/pull/52585) ([Kruglov Pavel](https://github.com/Avogar)).
#### NO CL ENTRY
* NO CL ENTRY: 'Revert "Add documentation for building in docker"'. [#51773](https://github.com/ClickHouse/ClickHouse/pull/51773) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* NO CL ENTRY: 'Revert "Fix build"'. [#51911](https://github.com/ClickHouse/ClickHouse/pull/51911) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* NO CL ENTRY: 'Revert "Millisecond and microsecond support in date_diff / age functions"'. [#52129](https://github.com/ClickHouse/ClickHouse/pull/52129) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* NO CL ENTRY: 'Revert "Re-add SipHash keyed functions"'. [#52466](https://github.com/ClickHouse/ClickHouse/pull/52466) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* NO CL ENTRY: 'Revert "Add an ability to specify allocations size for sampling memory profiler"'. [#52496](https://github.com/ClickHouse/ClickHouse/pull/52496) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* NO CL ENTRY: 'Revert "Rewrite uniq to count"'. [#52576](https://github.com/ClickHouse/ClickHouse/pull/52576) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
#### NOT FOR CHANGELOG / INSIGNIFICANT
* Remove duplicate_order_by_and_distinct optimization [#47135](https://github.com/ClickHouse/ClickHouse/pull/47135) ([Igor Nikonov](https://github.com/devcrafter)).
* Update sort desc in ReadFromMergeTree after applying PREWHERE info [#48669](https://github.com/ClickHouse/ClickHouse/pull/48669) ([Igor Nikonov](https://github.com/devcrafter)).
* Fix `BindException: Address already in use` in HDFS integration tests [#49428](https://github.com/ClickHouse/ClickHouse/pull/49428) ([Nikita Taranov](https://github.com/nickitat)).
* Force libunwind usage (removes gcc_eh support) [#49438](https://github.com/ClickHouse/ClickHouse/pull/49438) ([Azat Khuzhin](https://github.com/azat)).
* Cleanup `storage_conf.xml` [#49557](https://github.com/ClickHouse/ClickHouse/pull/49557) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix flaky tests caused by OPTIMIZE FINAL failing memory budget check [#49764](https://github.com/ClickHouse/ClickHouse/pull/49764) ([Michael Kolupaev](https://github.com/al13n321)).
* Remove unstable queries from performance/join_set_filter [#50235](https://github.com/ClickHouse/ClickHouse/pull/50235) ([vdimir](https://github.com/vdimir)).
* More accurate DNS resolve for the keeper connection [#50738](https://github.com/ClickHouse/ClickHouse/pull/50738) ([pufit](https://github.com/pufit)).
* Try to fix some trash in Disks and part moves [#51135](https://github.com/ClickHouse/ClickHouse/pull/51135) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Add jemalloc support fro s390x [#51186](https://github.com/ClickHouse/ClickHouse/pull/51186) ([Boris Kuschel](https://github.com/bkuschel)).
* Resubmit [#48821](https://github.com/ClickHouse/ClickHouse/issues/48821) [#51208](https://github.com/ClickHouse/ClickHouse/pull/51208) ([Kseniia Sumarokova](https://github.com/kssenii)).
* test for [#36894](https://github.com/ClickHouse/ClickHouse/issues/36894) [#51274](https://github.com/ClickHouse/ClickHouse/pull/51274) ([Denny Crane](https://github.com/den-crane)).
* external_aggregation_fix for big endian machines [#51280](https://github.com/ClickHouse/ClickHouse/pull/51280) ([Sanjam Panda](https://github.com/saitama951)).
* Fix: Invalid number of rows in Chunk column Object [#51296](https://github.com/ClickHouse/ClickHouse/pull/51296) ([Igor Nikonov](https://github.com/devcrafter)).
* Add a test for [#44816](https://github.com/ClickHouse/ClickHouse/issues/44816) [#51305](https://github.com/ClickHouse/ClickHouse/pull/51305) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add a test for `calculate_text_stack_trace` setting [#51311](https://github.com/ClickHouse/ClickHouse/pull/51311) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* decrease log level, make logs shorter [#51320](https://github.com/ClickHouse/ClickHouse/pull/51320) ([Sema Checherinda](https://github.com/CheSema)).
* Collect stack traces from job's scheduling and print along with exception's stack trace. [#51349](https://github.com/ClickHouse/ClickHouse/pull/51349) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Add a test for [#42691](https://github.com/ClickHouse/ClickHouse/issues/42691) [#51352](https://github.com/ClickHouse/ClickHouse/pull/51352) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add a test for [#32474](https://github.com/ClickHouse/ClickHouse/issues/32474) [#51354](https://github.com/ClickHouse/ClickHouse/pull/51354) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add a test for [#41727](https://github.com/ClickHouse/ClickHouse/issues/41727) [#51355](https://github.com/ClickHouse/ClickHouse/pull/51355) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add a test for [#35801](https://github.com/ClickHouse/ClickHouse/issues/35801) [#51356](https://github.com/ClickHouse/ClickHouse/pull/51356) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add a test for [#34626](https://github.com/ClickHouse/ClickHouse/issues/34626) [#51357](https://github.com/ClickHouse/ClickHouse/pull/51357) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Initialize text_log earlier to capture table startup messages [#51360](https://github.com/ClickHouse/ClickHouse/pull/51360) ([Azat Khuzhin](https://github.com/azat)).
* Use separate default settings for clickhouse-local [#51363](https://github.com/ClickHouse/ClickHouse/pull/51363) ([Azat Khuzhin](https://github.com/azat)).
* Attempt to remove wrong code (catch/throw in Functions) [#51367](https://github.com/ClickHouse/ClickHouse/pull/51367) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Remove suspicious code [#51383](https://github.com/ClickHouse/ClickHouse/pull/51383) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Disable hedged requests under TSan [#51392](https://github.com/ClickHouse/ClickHouse/pull/51392) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* no finalize in d-tor WriteBufferFromOStream [#51404](https://github.com/ClickHouse/ClickHouse/pull/51404) ([Sema Checherinda](https://github.com/CheSema)).
* Better diagnostics for 01193_metadata_loading [#51414](https://github.com/ClickHouse/ClickHouse/pull/51414) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix attaching gdb in stress tests [#51445](https://github.com/ClickHouse/ClickHouse/pull/51445) ([Kruglov Pavel](https://github.com/Avogar)).
* Merging [#36384](https://github.com/ClickHouse/ClickHouse/issues/36384) [#51458](https://github.com/ClickHouse/ClickHouse/pull/51458) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix possible race on shutdown wait [#51497](https://github.com/ClickHouse/ClickHouse/pull/51497) ([Sergei Trifonov](https://github.com/serxa)).
* Fix `test_alter_moving_garbage`: lock between getActiveContainingPart and swapActivePart in parts mover [#51498](https://github.com/ClickHouse/ClickHouse/pull/51498) ([vdimir](https://github.com/vdimir)).
* Fix a logical error on mutation [#51502](https://github.com/ClickHouse/ClickHouse/pull/51502) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix running integration tests with spaces in it's names [#51514](https://github.com/ClickHouse/ClickHouse/pull/51514) ([Azat Khuzhin](https://github.com/azat)).
* Fix flaky test 00417_kill_query [#51522](https://github.com/ClickHouse/ClickHouse/pull/51522) ([Nikolay Degterinsky](https://github.com/evillique)).
* fs cache: add some checks [#51536](https://github.com/ClickHouse/ClickHouse/pull/51536) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Don't run 02782_uniq_exact_parallel_merging_bug in parallel with other tests [#51549](https://github.com/ClickHouse/ClickHouse/pull/51549) ([Nikita Taranov](https://github.com/nickitat)).
* 00900_orc_load: lift kill timeout [#51559](https://github.com/ClickHouse/ClickHouse/pull/51559) ([Robert Schulze](https://github.com/rschu1ze)).
* Add retries to 00416_pocopatch_progress_in_http_headers [#51575](https://github.com/ClickHouse/ClickHouse/pull/51575) ([Nikolay Degterinsky](https://github.com/evillique)).
* Remove the usage of Analyzer setting in the client [#51578](https://github.com/ClickHouse/ClickHouse/pull/51578) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix merge_selecting_task scheduling [#51591](https://github.com/ClickHouse/ClickHouse/pull/51591) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Add hex functions for cityhash [#51595](https://github.com/ClickHouse/ClickHouse/pull/51595) ([Vitaly Baranov](https://github.com/vitlibar)).
* Remove `unset CLICKHOUSE_LOG_COMMENT` from tests [#51623](https://github.com/ClickHouse/ClickHouse/pull/51623) ([Nikita Taranov](https://github.com/nickitat)).
* Implement endianness-independent serialization [#51637](https://github.com/ClickHouse/ClickHouse/pull/51637) ([ltrk2](https://github.com/ltrk2)).
* Ignore APPEND and TRUNCATE modifiers if file does not exist. [#51640](https://github.com/ClickHouse/ClickHouse/pull/51640) ([alekar](https://github.com/alekar)).
* Try to fix flaky 02210_processors_profile_log [#51641](https://github.com/ClickHouse/ClickHouse/pull/51641) ([Igor Nikonov](https://github.com/devcrafter)).
* Make common macros extendable [#51646](https://github.com/ClickHouse/ClickHouse/pull/51646) ([Amos Bird](https://github.com/amosbird)).
* Correct an exception message in src/Functions/nested.cpp [#51651](https://github.com/ClickHouse/ClickHouse/pull/51651) ([Alex Cheng](https://github.com/Alex-Cheng)).
* tests: fix 02050_client_profile_events flakiness [#51653](https://github.com/ClickHouse/ClickHouse/pull/51653) ([Azat Khuzhin](https://github.com/azat)).
* Minor follow-up to re2 update to 2023-06-02 ([#50949](https://github.com/ClickHouse/ClickHouse/issues/50949)) [#51655](https://github.com/ClickHouse/ClickHouse/pull/51655) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix 02116_tuple_element with Analyzer [#51669](https://github.com/ClickHouse/ClickHouse/pull/51669) ([Robert Schulze](https://github.com/rschu1ze)).
* Update timeouts in tests for transactions [#51683](https://github.com/ClickHouse/ClickHouse/pull/51683) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Remove unused code [#51684](https://github.com/ClickHouse/ClickHouse/pull/51684) ([Sergei Trifonov](https://github.com/serxa)).
* Remove `mmap/mremap/munmap` from Allocator.h [#51686](https://github.com/ClickHouse/ClickHouse/pull/51686) ([alesapin](https://github.com/alesapin)).
* SonarCloud: Add C++23 Experimental Flag [#51687](https://github.com/ClickHouse/ClickHouse/pull/51687) ([Julio Jimenez](https://github.com/juliojimenez)).
* Wait with retries when attaching GDB in tests [#51688](https://github.com/ClickHouse/ClickHouse/pull/51688) ([Antonio Andelic](https://github.com/antonio2368)).
* Update version_date.tsv and changelogs after v23.6.1.1524-stable [#51691](https://github.com/ClickHouse/ClickHouse/pull/51691) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* fix write to finalized buffer [#51696](https://github.com/ClickHouse/ClickHouse/pull/51696) ([Sema Checherinda](https://github.com/CheSema)).
* do not log exception aborted for pending mutate/merge entries when shutdown [#51697](https://github.com/ClickHouse/ClickHouse/pull/51697) ([Sema Checherinda](https://github.com/CheSema)).
* Fix race in ContextAccess [#51704](https://github.com/ClickHouse/ClickHouse/pull/51704) ([Vitaly Baranov](https://github.com/vitlibar)).
* Make test scripts backwards compatible [#51707](https://github.com/ClickHouse/ClickHouse/pull/51707) ([Antonio Andelic](https://github.com/antonio2368)).
* test for full join and null predicate [#51709](https://github.com/ClickHouse/ClickHouse/pull/51709) ([Denny Crane](https://github.com/den-crane)).
* A cmake warning on job limits underutilizing CPU [#51710](https://github.com/ClickHouse/ClickHouse/pull/51710) ([velavokr](https://github.com/velavokr)).
* Fix SQLLogic docker images [#51719](https://github.com/ClickHouse/ClickHouse/pull/51719) ([Antonio Andelic](https://github.com/antonio2368)).
* Added ASK_PASSWORD client constant instead of hardcoded '\n' [#51723](https://github.com/ClickHouse/ClickHouse/pull/51723) ([Alexey Gerasimchuck](https://github.com/Demilivor)).
* Update README.md [#51726](https://github.com/ClickHouse/ClickHouse/pull/51726) ([Tyler Hannan](https://github.com/tylerhannan)).
* Fix source image for sqllogic [#51728](https://github.com/ClickHouse/ClickHouse/pull/51728) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Remove MemoryPool from Poco because it's useless [#51732](https://github.com/ClickHouse/ClickHouse/pull/51732) ([alesapin](https://github.com/alesapin)).
* Fix: logical error in grace hash join [#51737](https://github.com/ClickHouse/ClickHouse/pull/51737) ([Igor Nikonov](https://github.com/devcrafter)).
* Update 01320_create_sync_race_condition_zookeeper.sh [#51742](https://github.com/ClickHouse/ClickHouse/pull/51742) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Pin for docker-ce [#51743](https://github.com/ClickHouse/ClickHouse/pull/51743) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Revert "Fix: Invalid number of rows in Chunk column Object" [#51750](https://github.com/ClickHouse/ClickHouse/pull/51750) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Add SonarCloud to README [#51751](https://github.com/ClickHouse/ClickHouse/pull/51751) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix test `02789_object_type_invalid_num_of_rows` [#51754](https://github.com/ClickHouse/ClickHouse/pull/51754) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix (benign) data race in `transform` [#51755](https://github.com/ClickHouse/ClickHouse/pull/51755) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix flaky KeeperMap test [#51764](https://github.com/ClickHouse/ClickHouse/pull/51764) ([Antonio Andelic](https://github.com/antonio2368)).
* Version mypy=1.4.1 falsly reports unused ignore comment [#51769](https://github.com/ClickHouse/ClickHouse/pull/51769) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Avoid keeping lock Context::getLock() while calculating access rights [#51772](https://github.com/ClickHouse/ClickHouse/pull/51772) ([Vitaly Baranov](https://github.com/vitlibar)).
* Making stateless tests with timeout less flaky [#51774](https://github.com/ClickHouse/ClickHouse/pull/51774) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix after [#51000](https://github.com/ClickHouse/ClickHouse/issues/51000) [#51790](https://github.com/ClickHouse/ClickHouse/pull/51790) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Add assert in ThreadStatus destructor for correct current_thread [#51800](https://github.com/ClickHouse/ClickHouse/pull/51800) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix broken parts handling in `ReplicatedMergeTree` [#51801](https://github.com/ClickHouse/ClickHouse/pull/51801) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix tsan signal-unsafe call [#51802](https://github.com/ClickHouse/ClickHouse/pull/51802) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Fix for parallel replicas not completely disabled by granule count threshold [#51805](https://github.com/ClickHouse/ClickHouse/pull/51805) ([Alexander Gololobov](https://github.com/davenger)).
* Make sure that we don't attempt to serialize/deserialize block with 0 columns and non-zero rows [#51807](https://github.com/ClickHouse/ClickHouse/pull/51807) ([Alexander Gololobov](https://github.com/davenger)).
* Fix rare bug in `DROP COLUMN` and enabled sparse columns [#51809](https://github.com/ClickHouse/ClickHouse/pull/51809) ([Anton Popov](https://github.com/CurtizJ)).
* Fix flaky `test_multiple_disks` [#51821](https://github.com/ClickHouse/ClickHouse/pull/51821) ([Antonio Andelic](https://github.com/antonio2368)).
* Follow up to [#51547](https://github.com/ClickHouse/ClickHouse/issues/51547) [#51822](https://github.com/ClickHouse/ClickHouse/pull/51822) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Correctly grep archives in stress tests [#51824](https://github.com/ClickHouse/ClickHouse/pull/51824) ([Antonio Andelic](https://github.com/antonio2368)).
* Update analyzer_tech_debt.txt [#51836](https://github.com/ClickHouse/ClickHouse/pull/51836) ([Alexander Tokmakov](https://github.com/tavplubix)).
* remove unused code [#51837](https://github.com/ClickHouse/ClickHouse/pull/51837) ([flynn](https://github.com/ucasfl)).
* Fix disk config for upgrade tests [#51839](https://github.com/ClickHouse/ClickHouse/pull/51839) ([Antonio Andelic](https://github.com/antonio2368)).
* Remove Coverity from workflows, but leave in the code [#51842](https://github.com/ClickHouse/ClickHouse/pull/51842) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Many fixes [3] [#51848](https://github.com/ClickHouse/ClickHouse/pull/51848) ([Ilya Yatsishin](https://github.com/qoega)).
* Change misleading name in joins: addJoinedBlock -> addBlockToJoin [#51852](https://github.com/ClickHouse/ClickHouse/pull/51852) ([Igor Nikonov](https://github.com/devcrafter)).
* fix: correct exception messages on policies comparison [#51854](https://github.com/ClickHouse/ClickHouse/pull/51854) ([Feng Kaiyu](https://github.com/fky2015)).
* Update 02439_merge_selecting_partitions.sql [#51862](https://github.com/ClickHouse/ClickHouse/pull/51862) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Remove useless packages [#51863](https://github.com/ClickHouse/ClickHouse/pull/51863) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Remove useless logs [#51865](https://github.com/ClickHouse/ClickHouse/pull/51865) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix incorrect log level = warning [#51867](https://github.com/ClickHouse/ClickHouse/pull/51867) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix test_replicated_table_attach [#51868](https://github.com/ClickHouse/ClickHouse/pull/51868) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Better usability of a test [#51869](https://github.com/ClickHouse/ClickHouse/pull/51869) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Remove useless code [#51873](https://github.com/ClickHouse/ClickHouse/pull/51873) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Another fix upgrade check script [#51878](https://github.com/ClickHouse/ClickHouse/pull/51878) ([Antonio Andelic](https://github.com/antonio2368)).
* Sqlloogic improvements [#51883](https://github.com/ClickHouse/ClickHouse/pull/51883) ([Ilya Yatsishin](https://github.com/qoega)).
* Disable ThinLTO on non-Linux [#51897](https://github.com/ClickHouse/ClickHouse/pull/51897) ([Robert Schulze](https://github.com/rschu1ze)).
* Pin rust nightly (to make it stable) [#51903](https://github.com/ClickHouse/ClickHouse/pull/51903) ([Azat Khuzhin](https://github.com/azat)).
* Fix build [#51909](https://github.com/ClickHouse/ClickHouse/pull/51909) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix build [#51910](https://github.com/ClickHouse/ClickHouse/pull/51910) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix flaky test `00175_partition_by_ignore` and move it to correct location [#51913](https://github.com/ClickHouse/ClickHouse/pull/51913) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix flaky test 02360_send_logs_level_colors: avoid usage of `file` tool [#51914](https://github.com/ClickHouse/ClickHouse/pull/51914) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Maybe better tests [#51916](https://github.com/ClickHouse/ClickHouse/pull/51916) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Revert system drop filesystem cache by key [#51917](https://github.com/ClickHouse/ClickHouse/pull/51917) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix flaky test `detach_attach_partition_race` [#51920](https://github.com/ClickHouse/ClickHouse/pull/51920) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Another fix for `02481_async_insert_race_long` [#51925](https://github.com/ClickHouse/ClickHouse/pull/51925) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix segfault caused by `ThreadStatus` [#51931](https://github.com/ClickHouse/ClickHouse/pull/51931) ([Antonio Andelic](https://github.com/antonio2368)).
* Print short fault info only from safe fields [#51932](https://github.com/ClickHouse/ClickHouse/pull/51932) ([Alexander Gololobov](https://github.com/davenger)).
* Fix typo in integration tests [#51944](https://github.com/ClickHouse/ClickHouse/pull/51944) ([Ilya Yatsishin](https://github.com/qoega)).
* Better logs on shutdown [#51951](https://github.com/ClickHouse/ClickHouse/pull/51951) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Filter databases list before querying potentially slow fields [#51955](https://github.com/ClickHouse/ClickHouse/pull/51955) ([Alexander Gololobov](https://github.com/davenger)).
* Fix some issues with transactions [#51959](https://github.com/ClickHouse/ClickHouse/pull/51959) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix unrelated messages from LSan in clickhouse-client [#51966](https://github.com/ClickHouse/ClickHouse/pull/51966) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Allow OOM in AST Fuzzer with Sanitizers [#51967](https://github.com/ClickHouse/ClickHouse/pull/51967) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Disable one test under Analyzer [#51968](https://github.com/ClickHouse/ClickHouse/pull/51968) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix Docker [#51969](https://github.com/ClickHouse/ClickHouse/pull/51969) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix test `01825_type_json_from_map` [#51970](https://github.com/ClickHouse/ClickHouse/pull/51970) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix test `02354_distributed_with_external_aggregation_memory_usage` [#51971](https://github.com/ClickHouse/ClickHouse/pull/51971) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix disaster in integration tests, part 2 [#51973](https://github.com/ClickHouse/ClickHouse/pull/51973) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* [RFC] Cleanup remote_servers in dist config.xml [#51985](https://github.com/ClickHouse/ClickHouse/pull/51985) ([Azat Khuzhin](https://github.com/azat)).
* Update version_date.tsv and changelogs after v23.6.2.18-stable [#51986](https://github.com/ClickHouse/ClickHouse/pull/51986) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Update version_date.tsv and changelogs after v22.8.20.11-lts [#51987](https://github.com/ClickHouse/ClickHouse/pull/51987) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Fix performance test for regexp cache [#51988](https://github.com/ClickHouse/ClickHouse/pull/51988) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Move a test to the right place [#51989](https://github.com/ClickHouse/ClickHouse/pull/51989) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add a check to validate that the stateful tests are stateful [#51990](https://github.com/ClickHouse/ClickHouse/pull/51990) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Check that functional tests cleanup their tables [#51991](https://github.com/ClickHouse/ClickHouse/pull/51991) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix test_extreme_deduplication [#51992](https://github.com/ClickHouse/ClickHouse/pull/51992) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Cleanup SymbolIndex after reload got removed [#51993](https://github.com/ClickHouse/ClickHouse/pull/51993) ([Azat Khuzhin](https://github.com/azat)).
* Update CompletedPipelineExecutor exception log name [#52028](https://github.com/ClickHouse/ClickHouse/pull/52028) ([xiao](https://github.com/nicelulu)).
* Fix `00502_custom_partitioning_replicated_zookeeper_long` [#52032](https://github.com/ClickHouse/ClickHouse/pull/52032) ([Antonio Andelic](https://github.com/antonio2368)).
* Prohibit send_metadata for s3_plain disks [#52038](https://github.com/ClickHouse/ClickHouse/pull/52038) ([Azat Khuzhin](https://github.com/azat)).
* Update version_date.tsv and changelogs after v23.4.6.25-stable [#52061](https://github.com/ClickHouse/ClickHouse/pull/52061) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Preparations for Trivial Support For Resharding (part1) [#52068](https://github.com/ClickHouse/ClickHouse/pull/52068) ([Azat Khuzhin](https://github.com/azat)).
* Update version_date.tsv and changelogs after v23.3.8.21-lts [#52077](https://github.com/ClickHouse/ClickHouse/pull/52077) ([robot-clickhouse](https://github.com/robot-clickhouse)).
* Fix flakiness of test_keeper_s3_snapshot flakiness [#52083](https://github.com/ClickHouse/ClickHouse/pull/52083) ([Azat Khuzhin](https://github.com/azat)).
* Fix test_extreme_deduplication flakiness [#52085](https://github.com/ClickHouse/ClickHouse/pull/52085) ([Azat Khuzhin](https://github.com/azat)).
* Small docs update for toYearWeek() function [#52090](https://github.com/ClickHouse/ClickHouse/pull/52090) ([Andrey Zvonov](https://github.com/zvonand)).
* Small docs update for DateTime, DateTime64 [#52094](https://github.com/ClickHouse/ClickHouse/pull/52094) ([Andrey Zvonov](https://github.com/zvonand)).
* Add missing --force for docker network prune (otherwise it is noop on CI) [#52095](https://github.com/ClickHouse/ClickHouse/pull/52095) ([Azat Khuzhin](https://github.com/azat)).
* tests: drop existing view in test_materialized_mysql_database [#52103](https://github.com/ClickHouse/ClickHouse/pull/52103) ([Azat Khuzhin](https://github.com/azat)).
* Update README.md [#52115](https://github.com/ClickHouse/ClickHouse/pull/52115) ([Tyler Hannan](https://github.com/tylerhannan)).
* Print Zxid in keeper stat command in hex (so as ZooKeeper) [#52122](https://github.com/ClickHouse/ClickHouse/pull/52122) ([Azat Khuzhin](https://github.com/azat)).
* Skip protection from double decompression if inode from maps cannot be obtained [#52138](https://github.com/ClickHouse/ClickHouse/pull/52138) ([Azat Khuzhin](https://github.com/azat)).
* There is no point in detecting flaky tests [#52142](https://github.com/ClickHouse/ClickHouse/pull/52142) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Remove default argument value [#52143](https://github.com/ClickHouse/ClickHouse/pull/52143) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix the "kill_mutation" test [#52144](https://github.com/ClickHouse/ClickHouse/pull/52144) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix ORDER BY tuple of WINDOW functions (and slightly more changes) [#52146](https://github.com/ClickHouse/ClickHouse/pull/52146) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix possible EADDRINUSE ("Address already in use") in integration tests [#52148](https://github.com/ClickHouse/ClickHouse/pull/52148) ([Azat Khuzhin](https://github.com/azat)).
* Fix test 02497_storage_file_reader_selection [#52154](https://github.com/ClickHouse/ClickHouse/pull/52154) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix unexpected AST Set [#52158](https://github.com/ClickHouse/ClickHouse/pull/52158) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix crash in comparison functions due to incorrect query analysis [#52172](https://github.com/ClickHouse/ClickHouse/pull/52172) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix slow test `02317_distinct_in_order_optimization` [#52173](https://github.com/ClickHouse/ClickHouse/pull/52173) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add comments for https://github.com/ClickHouse/ClickHouse/pull/52112 [#52175](https://github.com/ClickHouse/ClickHouse/pull/52175) ([李扬](https://github.com/taiyang-li)).
* Randomize timezone in tests across non-deterministic around 1970 and default [#52184](https://github.com/ClickHouse/ClickHouse/pull/52184) ([Azat Khuzhin](https://github.com/azat)).
* Fix `test_multiple_disks/test.py::test_start_stop_moves` [#52189](https://github.com/ClickHouse/ClickHouse/pull/52189) ([Antonio Andelic](https://github.com/antonio2368)).
* CMake: Simplify job limiting [#52196](https://github.com/ClickHouse/ClickHouse/pull/52196) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix self extracting binaries under qemu linux-user (qemu-$ARCH-static) [#52198](https://github.com/ClickHouse/ClickHouse/pull/52198) ([Azat Khuzhin](https://github.com/azat)).
* Fix `Integration tests flaky check (asan)` [#52201](https://github.com/ClickHouse/ClickHouse/pull/52201) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix flaky test test_lost_part [#52202](https://github.com/ClickHouse/ClickHouse/pull/52202) ([alesapin](https://github.com/alesapin)).
* MaterializedMySQL: Replace to_string by magic_enum::enum_name [#52204](https://github.com/ClickHouse/ClickHouse/pull/52204) ([Val Doroshchuk](https://github.com/valbok)).
* MaterializedMySQL: Add tests to parse db and table names from DDL [#52208](https://github.com/ClickHouse/ClickHouse/pull/52208) ([Val Doroshchuk](https://github.com/valbok)).
* Revert "Fixed several issues found by OSS-Fuzz" [#52216](https://github.com/ClickHouse/ClickHouse/pull/52216) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Use one copy replication more agressively [#52218](https://github.com/ClickHouse/ClickHouse/pull/52218) ([alesapin](https://github.com/alesapin)).
* Fix flaky test `01076_parallel_alter_replicated_zookeeper` [#52221](https://github.com/ClickHouse/ClickHouse/pull/52221) ([alesapin](https://github.com/alesapin)).
* Fix 01889_key_condition_function_chains for analyzer. [#52223](https://github.com/ClickHouse/ClickHouse/pull/52223) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Inhibit settings randomization in the test `json_ghdata` [#52226](https://github.com/ClickHouse/ClickHouse/pull/52226) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Slightly better diagnostics in a test [#52227](https://github.com/ClickHouse/ClickHouse/pull/52227) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Enable no-upgrade-check for 02273_full_sort_join [#52235](https://github.com/ClickHouse/ClickHouse/pull/52235) ([vdimir](https://github.com/vdimir)).
* Fix network manager for integration tests [#52237](https://github.com/ClickHouse/ClickHouse/pull/52237) ([Azat Khuzhin](https://github.com/azat)).
* List replication queue only for current test database [#52238](https://github.com/ClickHouse/ClickHouse/pull/52238) ([Alexander Gololobov](https://github.com/davenger)).
* Attempt to fix assert in tsan with fibers [#52241](https://github.com/ClickHouse/ClickHouse/pull/52241) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix undefined behaviour in fuzzer [#52256](https://github.com/ClickHouse/ClickHouse/pull/52256) ([Antonio Andelic](https://github.com/antonio2368)).
* Follow-up to [#51959](https://github.com/ClickHouse/ClickHouse/issues/51959) [#52261](https://github.com/ClickHouse/ClickHouse/pull/52261) ([Alexander Tokmakov](https://github.com/tavplubix)).
* More fair queue for `drop table sync` [#52276](https://github.com/ClickHouse/ClickHouse/pull/52276) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix `02497_trace_events_stress_long` [#52279](https://github.com/ClickHouse/ClickHouse/pull/52279) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix test `01111_create_drop_replicated_db_stress` [#52283](https://github.com/ClickHouse/ClickHouse/pull/52283) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix ugly code [#52284](https://github.com/ClickHouse/ClickHouse/pull/52284) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add missing replica syncs in test_backup_restore_on_cluster [#52306](https://github.com/ClickHouse/ClickHouse/pull/52306) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix test_replicated_database 'node doesn't exist' flakiness [#52307](https://github.com/ClickHouse/ClickHouse/pull/52307) ([Michael Kolupaev](https://github.com/al13n321)).
* Minor: Update description of events "QueryCacheHits/Misses" [#52309](https://github.com/ClickHouse/ClickHouse/pull/52309) ([Robert Schulze](https://github.com/rschu1ze)).
* Beautify pretty-printing of the query string in SYSTEM.QUERY_CACHE [#52312](https://github.com/ClickHouse/ClickHouse/pull/52312) ([Robert Schulze](https://github.com/rschu1ze)).
* Reduce dependencies for skim by avoid using default features [#52316](https://github.com/ClickHouse/ClickHouse/pull/52316) ([Azat Khuzhin](https://github.com/azat)).
* Fix 02725_memory-for-merges [#52317](https://github.com/ClickHouse/ClickHouse/pull/52317) ([alesapin](https://github.com/alesapin)).
* Skip unsupported disks in Keeper [#52321](https://github.com/ClickHouse/ClickHouse/pull/52321) ([Antonio Andelic](https://github.com/antonio2368)).
* Revert "Improve CSVInputFormat to check and set default value to column if deserialize failed" [#52322](https://github.com/ClickHouse/ClickHouse/pull/52322) ([Kruglov Pavel](https://github.com/Avogar)).
* Resubmit [#51716](https://github.com/ClickHouse/ClickHouse/issues/51716) [#52323](https://github.com/ClickHouse/ClickHouse/pull/52323) ([Kruglov Pavel](https://github.com/Avogar)).
* Add logging about all found workflows for merge_pr.py [#52324](https://github.com/ClickHouse/ClickHouse/pull/52324) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Minor: Less awkward IAST::FormatSettings [#52332](https://github.com/ClickHouse/ClickHouse/pull/52332) ([Robert Schulze](https://github.com/rschu1ze)).
* Mark test 02125_many_mutations_2 as no-parallel to avoid flakiness [#52338](https://github.com/ClickHouse/ClickHouse/pull/52338) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix capabilities installed via systemd service (fixes netlink/IO priorities) [#52357](https://github.com/ClickHouse/ClickHouse/pull/52357) ([Azat Khuzhin](https://github.com/azat)).
* Update 01606_git_import.sh [#52360](https://github.com/ClickHouse/ClickHouse/pull/52360) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Update ci-slack-bot.py [#52372](https://github.com/ClickHouse/ClickHouse/pull/52372) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix `test_keeper_session` [#52373](https://github.com/ClickHouse/ClickHouse/pull/52373) ([Antonio Andelic](https://github.com/antonio2368)).
* Update ci-slack-bot.py [#52374](https://github.com/ClickHouse/ClickHouse/pull/52374) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Disable analyzer setting in backward_compatibility integration tests. [#52375](https://github.com/ClickHouse/ClickHouse/pull/52375) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* New metric - Filesystem cache size limit [#52378](https://github.com/ClickHouse/ClickHouse/pull/52378) ([Krzysztof Góralski](https://github.com/kgoralski)).
* Fix `test_replicated_merge_tree_encrypted_disk ` [#52379](https://github.com/ClickHouse/ClickHouse/pull/52379) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Fix `02122_parallel_formatting_XML ` [#52380](https://github.com/ClickHouse/ClickHouse/pull/52380) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Follow up to [#49698](https://github.com/ClickHouse/ClickHouse/issues/49698) [#52381](https://github.com/ClickHouse/ClickHouse/pull/52381) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Less replication errors [#52382](https://github.com/ClickHouse/ClickHouse/pull/52382) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Rename TaskStatsInfoGetter into NetlinkMetricsProvider [#52392](https://github.com/ClickHouse/ClickHouse/pull/52392) ([Azat Khuzhin](https://github.com/azat)).
* Fix `test_keeper_force_recovery` [#52408](https://github.com/ClickHouse/ClickHouse/pull/52408) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix flaky gtest_lru_file_cache.cpp [#52418](https://github.com/ClickHouse/ClickHouse/pull/52418) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix: remove redundant distinct with views [#52438](https://github.com/ClickHouse/ClickHouse/pull/52438) ([Igor Nikonov](https://github.com/devcrafter)).
* Add 02815_range_dict_no_direct_join to analyzer_tech_debt.txt [#52464](https://github.com/ClickHouse/ClickHouse/pull/52464) ([vdimir](https://github.com/vdimir)).
* do not throw exception in OptimizedRegularExpressionImpl::analyze [#52467](https://github.com/ClickHouse/ClickHouse/pull/52467) ([Han Fei](https://github.com/hanfei1991)).
* Remove skip_startup_tables from IDatabase::loadStoredObjects() [#52491](https://github.com/ClickHouse/ClickHouse/pull/52491) ([Azat Khuzhin](https://github.com/azat)).
* Fix test_insert_same_partition_and_merge by increasing wait time [#52497](https://github.com/ClickHouse/ClickHouse/pull/52497) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Try to fix asan wanring in HashJoin [#52499](https://github.com/ClickHouse/ClickHouse/pull/52499) ([Igor Nikonov](https://github.com/devcrafter)).
* Replace with three way comparison [#52509](https://github.com/ClickHouse/ClickHouse/pull/52509) ([flynn](https://github.com/ucasfl)).
* Fix flakiness of test_version_update_after_mutation by enabling force_remove_data_recursively_on_drop [#52514](https://github.com/ClickHouse/ClickHouse/pull/52514) ([Azat Khuzhin](https://github.com/azat)).
* Fix `test_throttling` [#52515](https://github.com/ClickHouse/ClickHouse/pull/52515) ([Antonio Andelic](https://github.com/antonio2368)).
* Improve logging macros [#52519](https://github.com/ClickHouse/ClickHouse/pull/52519) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix `toDecimalString` function [#52520](https://github.com/ClickHouse/ClickHouse/pull/52520) ([Andrey Zvonov](https://github.com/zvonand)).
* Remove unused code [#52527](https://github.com/ClickHouse/ClickHouse/pull/52527) ([Raúl Marín](https://github.com/Algunenano)).
* Cancel execution in PipelineExecutor in case of exception in graph->updateNode [#52533](https://github.com/ClickHouse/ClickHouse/pull/52533) ([Kruglov Pavel](https://github.com/Avogar)).
* Make 01951_distributed_push_down_limit analyzer agnostic [#52534](https://github.com/ClickHouse/ClickHouse/pull/52534) ([Igor Nikonov](https://github.com/devcrafter)).
* Fix disallow_concurrency test for backup and restore [#52536](https://github.com/ClickHouse/ClickHouse/pull/52536) ([SmitaRKulkarni](https://github.com/SmitaRKulkarni)).
* Update 02136_scalar_subquery_metrics.sql [#52537](https://github.com/ClickHouse/ClickHouse/pull/52537) ([Alexander Tokmakov](https://github.com/tavplubix)).
* tests: fix 01035_avg_weighted_long flakiness [#52556](https://github.com/ClickHouse/ClickHouse/pull/52556) ([Azat Khuzhin](https://github.com/azat)).
* tests: increase throttling for 01923_network_receive_time_metric_insert [#52557](https://github.com/ClickHouse/ClickHouse/pull/52557) ([Azat Khuzhin](https://github.com/azat)).
* tests: fix 00719_parallel_ddl_table flakiness in debug builds [#52558](https://github.com/ClickHouse/ClickHouse/pull/52558) ([Azat Khuzhin](https://github.com/azat)).
* tests: fix 01821_join_table_race_long flakiness [#52559](https://github.com/ClickHouse/ClickHouse/pull/52559) ([Azat Khuzhin](https://github.com/azat)).
* Fix flaky `00995_exception_while_insert` [#52568](https://github.com/ClickHouse/ClickHouse/pull/52568) ([Antonio Andelic](https://github.com/antonio2368)).
* MaterializedMySQL: Fix typos in tests [#52575](https://github.com/ClickHouse/ClickHouse/pull/52575) ([Val Doroshchuk](https://github.com/valbok)).
* Fix `02497_trace_events_stress_long` again [#52587](https://github.com/ClickHouse/ClickHouse/pull/52587) ([Antonio Andelic](https://github.com/antonio2368)).
* Revert "Remove `mmap/mremap/munmap` from Allocator.h" [#52589](https://github.com/ClickHouse/ClickHouse/pull/52589) ([Nikita Taranov](https://github.com/nickitat)).
* Remove peak memory usage from the final message in the client [#52598](https://github.com/ClickHouse/ClickHouse/pull/52598) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* GinIndexStore: fix a bug when files are finalizated after first write, [#52602](https://github.com/ClickHouse/ClickHouse/pull/52602) ([Sema Checherinda](https://github.com/CheSema)).
* Fix deadlocks in StorageTableFunctionProxy [#52626](https://github.com/ClickHouse/ClickHouse/pull/52626) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix build with clang-15 [#52627](https://github.com/ClickHouse/ClickHouse/pull/52627) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Fix style [#52647](https://github.com/ClickHouse/ClickHouse/pull/52647) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix logging level of a noisy message [#52648](https://github.com/ClickHouse/ClickHouse/pull/52648) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Revert "Added field `refcount` to `system.remote_data_paths` table" [#52657](https://github.com/ClickHouse/ClickHouse/pull/52657) ([Alexander Tokmakov](https://github.com/tavplubix)).

8
docs/en/development/building_and_benchmarking_deflate_qpl.md
View File

@ -7,12 +7,8 @@ description: How to build Clickhouse and run benchmark with DEFLATE_QPL Codec
# Build Clickhouse with DEFLATE_QPL
- Make sure your target machine meet the QPL required [prerequisites](https://intel.github.io/qpl/documentation/get_started_docs/installation.html#prerequisites)
- Pass the following flag to CMake when building ClickHouse:
``` bash
cmake -DENABLE_QPL=1 ..
```
- Make sure your host machine meet the QPL required [prerequisites](https://intel.github.io/qpl/documentation/get_started_docs/installation.html#prerequisites)
- deflate_qpl is enabled by default during cmake build. In case you accidentally change it, please double-check build flag: ENABLE_QPL=1
- For generic requirements, please refer to Clickhouse generic [build instructions](/docs/en/development/build.md)

21
docs/en/engines/table-engines/integrations/s3.md
View File

@ -57,7 +57,8 @@ Notice that the S3 endpoint in the `ENGINE` configuration uses the parameter tok
:::note
As shown in the example, querying from S3 tables that are partitioned is
not directly supported at this time, but can be accomplished by querying the bucket contents with a wildcard.
not directly supported at this time, but can be accomplished by querying the individual partitions
using the S3 table function.
The primary use-case for writing
partitioned data in S3 is to enable transferring that data into another
@ -127,23 +128,7 @@ FROM s3('http://minio:10000/clickhouse//test_45.csv', 'minioadmin', 'minioadminp
└────┴────┴────┘
```
#### Select from all partitions
```sql
SELECT *
FROM s3('http://minio:10000/clickhouse//**', 'minioadmin', 'minioadminpassword', 'CSV')
```
```response
┌─c1─┬─c2─┬─c3─┐
│ 3 │ 2 │ 1 │
└────┴────┴────┘
┌─c1─┬─c2─┬─c3─┐
│ 1 │ 2 │ 3 │
└────┴────┴────┘
┌─c1─┬─c2─┬─c3─┐
│ 78 │ 43 │ 45 │
└────┴────┴────┘
```
#### Limitation
You may naturally try to `Select * from p`, but as noted above, this query will fail; use the preceding query.

1
docs/en/engines/table-engines/special/url.md
View File

@ -106,3 +106,4 @@ For partitioning by month, use the `toYYYYMM(date_column)` expression, where `da
## Storage Settings {#storage-settings}
- [engine_url_skip_empty_files](/docs/en/operations/settings/settings.md#engine_url_skip_empty_files) - allows to skip empty files while reading. Disabled by default.
- [disable_url_encoding](/docs/en/operations/settings/settings.md#disable_url_encoding) -allows to disable decoding/encoding path in uri. Disabled by default.

18
docs/en/interfaces/http.md
View File

@ -56,7 +56,7 @@ Connection: Close
Content-Type: text/tab-separated-values; charset=UTF-8
X-ClickHouse-Server-Display-Name: clickhouse.ru-central1.internal
X-ClickHouse-Query-Id: 5abe861c-239c-467f-b955-8a201abb8b7f
X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
1
```
@ -286,9 +286,9 @@ Similarly, you can use ClickHouse sessions in the HTTP protocol. To do this, you
You can receive information about the progress of a query in `X-ClickHouse-Progress` response headers. To do this, enable [send_progress_in_http_headers](../operations/settings/settings.md#settings-send_progress_in_http_headers). Example of the header sequence:
``` text
X-ClickHouse-Progress: {"read_rows":"2752512","read_bytes":"240570816","total_rows_to_read":"8880128"}
X-ClickHouse-Progress: {"read_rows":"5439488","read_bytes":"482285394","total_rows_to_read":"8880128"}
X-ClickHouse-Progress: {"read_rows":"8783786","read_bytes":"819092887","total_rows_to_read":"8880128"}
X-ClickHouse-Progress: {"read_rows":"2752512","read_bytes":"240570816","total_rows_to_read":"8880128","peak_memory_usage":"4371480"}
X-ClickHouse-Progress: {"read_rows":"5439488","read_bytes":"482285394","total_rows_to_read":"8880128","peak_memory_usage":"13621616"}
X-ClickHouse-Progress: {"read_rows":"8783786","read_bytes":"819092887","total_rows_to_read":"8880128","peak_memory_usage":"23155600"}
```
Possible header fields:
@ -416,7 +416,7 @@ $ curl -v 'http://localhost:8123/predefined_query'
< X-ClickHouse-Format: Template
< X-ClickHouse-Timezone: Asia/Shanghai
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
# HELP "Query" "Number of executing queries"
# TYPE "Query" counter
@ -581,7 +581,7 @@ $ curl -vv -H 'XXX:xxx' 'http://localhost:8123/hi'
< Content-Type: text/html; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
* Connection #0 to host localhost left intact
Say Hi!%
@ -621,7 +621,7 @@ $ curl -v -H 'XXX:xxx' 'http://localhost:8123/get_config_static_handler'
< Content-Type: text/plain; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
* Connection #0 to host localhost left intact
<html ng-app="SMI2"><head><base href="http://ui.tabix.io/"></head><body><div ui-view="" class="content-ui"></div><script src="http://loader.tabix.io/master.js"></script></body></html>%
@ -673,7 +673,7 @@ $ curl -vv -H 'XXX:xxx' 'http://localhost:8123/get_absolute_path_static_handler'
< Content-Type: text/html; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
<html><body>Absolute Path File</body></html>
* Connection #0 to host localhost left intact
@ -692,7 +692,7 @@ $ curl -vv -H 'XXX:xxx' 'http://localhost:8123/get_relative_path_static_handler'
< Content-Type: text/html; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
<html><body>Relative Path File</body></html>
* Connection #0 to host localhost left intact

95
docs/en/operations/configuration-files.md
View File

@ -65,6 +65,43 @@ XML substitution example:
Substitutions can also be performed from ZooKeeper. To do this, specify the attribute `from_zk = "/path/to/node"`. The element value is replaced with the contents of the node at `/path/to/node` in ZooKeeper. You can also put an entire XML subtree on the ZooKeeper node and it will be fully inserted into the source element.
## Encrypting Configuration {#encryption}
You can use symmetric encryption to encrypt a configuration element, for example, a password field. To do so, first configure the [encryption codec](../sql-reference/statements/create/table.md#encryption-codecs), then add attribute `encrypted_by` with the name of the encryption codec as value to the element to encrypt.
Unlike attributes `from_zk`, `from_env` and `incl` (or element `include`), no substitution, i.e. decryption of the encrypted value, is performed in the preprocessed file. Decryption happens only at runtime in the server process.
Example:
```xml
<clickhouse>
<encryption_codecs>
<aes_128_gcm_siv>
<key_hex>00112233445566778899aabbccddeeff</key_hex>
</aes_128_gcm_siv>
</encryption_codecs>
<interserver_http_credentials>
<user>admin</user>
<password encrypted_by="AES_128_GCM_SIV">961F000000040000000000EEDDEF4F453CFE6457C4234BD7C09258BD651D85</password>
</interserver_http_credentials>
</clickhouse>
```
To encrypt a value, you can use the (example) program `encrypt_decrypt`:
Example:
``` bash
./encrypt_decrypt /etc/clickhouse-server/config.xml -e AES_128_GCM_SIV abcd
```
``` text
961F000000040000000000EEDDEF4F453CFE6457C4234BD7C09258BD651D85
```
## User Settings {#user-settings}
The `config.xml` file can specify a separate config with user settings, profiles, and quotas. The relative path to this config is set in the `users_config` element. By default, it is `users.xml`. If `users_config` is omitted, the user settings, profiles, and quotas are specified directly in `config.xml`.
@ -104,12 +141,17 @@ Here you can see default config written in YAML: [config.yaml.example](https://g
There are some differences between YAML and XML formats in terms of ClickHouse configurations. Here are some tips for writing a configuration in YAML format.
You should use a Scalar node to write a key-value pair:
An XML tag with a text value is represented by a YAML key-value pair
``` yaml
key: value
```
To create a node, containing other nodes you should use a Map:
Corresponding XML:
``` xml
<key>value</value>
```
A nested XML node is represented by a YAML map:
``` yaml
map_key:
key1: val1
@ -117,7 +159,16 @@ map_key:
key3: val3
```
To create a list of values or nodes assigned to one tag you should use a Sequence:
Corresponding XML:
``` xml
<map_key>
<key1>val1</key1>
<key2>val2</key2>
<key3>val3</key3>
</map_key>
```
To create the same XML tag multiple times, use a YAML sequence:
``` yaml
seq_key:
- val1
@ -128,8 +179,22 @@ seq_key:
key3: val5
```
If you want to write an attribute for a Sequence or Map node, you should use a @ prefix before the attribute key. Note, that @ is reserved by YAML standard, so you should also to wrap it into double quotes:
Corresponding XML:
```xml
<seq_key>val1</seq_key>
<seq_key>val2</seq_key>
<seq_key>
<key1>val3</key1>
</seq_key>
<seq_key>
<map>
<key2>val4</key2>
<key3>val5</key3>
</map>
</seq_key>
```
To provide an XML attribute, you can use an attribute key with a `@` prefix. Note that `@` is reserved by YAML standard, so must be wrapped in double quotes:
``` yaml
map:
"@attr1": value1
@ -137,16 +202,14 @@ map:
key: 123
```
From that Map we will get these XML nodes:
Corresponding XML:
``` xml
<map attr1="value1" attr2="value2">
<key>123</key>
</map>
```
You can also set attributes for Sequence:
It is also possible to use attributes in YAML sequence:
``` yaml
seq:
- "@attr1": value1
@ -155,13 +218,25 @@ seq:
- abc
```
So, we can get YAML config equal to this XML one:
Corresponding XML:
``` xml
<seq attr1="value1" attr2="value2">123</seq>
<seq attr1="value1" attr2="value2">abc</seq>
```
The aforementioned syntax does not allow to express XML text nodes with XML attributes as YAML. This special case can be achieved using an
`#text` attribute key:
```yaml
map_key:
"@attr1": value1
"#text": value2
```
Corresponding XML:
```xml
<map_key attr1="value1">value2</map>
```
## Implementation Details {#implementation-details}
For each config file, the server also generates `file-preprocessed.xml` files when starting. These files contain all the completed substitutions and overrides, and they are intended for informational use. If ZooKeeper substitutions were used in the config files but ZooKeeper is not available on the server start, the server loads the configuration from the preprocessed file.

9
docs/en/operations/query-cache.md
View File

@ -61,9 +61,12 @@ use_query_cache = true`) but one should keep in mind that all `SELECT` queries i
may return cached results then.
The query cache can be cleared using statement `SYSTEM DROP QUERY CACHE`. The content of the query cache is displayed in system table
`system.query_cache`. The number of query cache hits and misses are shown as events "QueryCacheHits" and "QueryCacheMisses" in system table
`system.events`. Both counters are only updated for `SELECT` queries which run with setting "use_query_cache = true". Other queries do not
affect the cache miss counter.
`system.query_cache`. The number of query cache hits and misses since database start are shown as events "QueryCacheHits" and
"QueryCacheMisses" in system table [system.events](system-tables/events.md). Both counters are only updated for `SELECT` queries which run
with setting `use_query_cache = true`, other queries do not affect "QueryCacheMisses". Field `query_log_usage` in system table
[system.query_log](system-tables/query_log.md) shows for each executed query whether the query result was written into or read from the
query cache. Asynchronous metrics "QueryCacheEntries" and "QueryCacheBytes" in system table
[system.asynchronous_metrics](system-tables/asynchronous_metrics.md) show how many entries / bytes the query cache currently contains.
The query cache exists once per ClickHouse server process. However, cache results are by default not shared between users. This can be
changed (see below) but doing so is not recommended for security reasons.

128
docs/en/operations/server-configuration-parameters/settings.md
View File

@ -512,7 +512,7 @@ Both the cache for `local_disk`, and temporary data will be stored in `/tiny_loc
<type>cache</type>
<disk>local_disk</disk>
<path>/tiny_local_cache/</path>
<max_size>10M</max_size>
<max_size_rows>10M</max_size_rows>
<max_file_segment_size>1M</max_file_segment_size>
<cache_on_write_operations>1</cache_on_write_operations>
<do_not_evict_index_and_mark_files>0</do_not_evict_index_and_mark_files>
@ -1592,6 +1592,10 @@ To manually turn on metrics history collection [`system.metric_log`](../../opera
<table>metric_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>
</metric_log>
</clickhouse>
```
@ -1695,6 +1699,14 @@ Use the following parameters to configure logging:
- `order_by` - [Custom sorting key](../../engines/table-engines/mergetree-family/mergetree.md#order_by) for a system table. Can't be used if `engine` defined.
- `engine` - [MergeTree Engine Definition](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) for a system table. Can't be used if `partition_by` or `order_by` defined.
- `flush_interval_milliseconds` – Interval for flushing data from the buffer in memory to the table.
- `max_size_rows` – Maximal size in lines for the logs. When non-flushed logs amount reaches max_size, logs dumped to the disk.
Default: 1048576.
- `reserved_size_rows` – Pre-allocated memory size in lines for the logs.
Default: 8192.
- `buffer_size_rows_flush_threshold` – Lines amount threshold, reaching it launches flushing logs to the disk in background.
Default: `max_size_rows / 2`.
- `flush_on_crash` - Indication whether logs should be dumped to the disk in case of a crash.
Default: false.
- `storage_policy` – Name of storage policy to use for the table (optional)
- `settings` - [Additional parameters](../../engines/table-engines/mergetree-family/mergetree.md/#settings) that control the behavior of the MergeTree (optional).
@ -1706,6 +1718,10 @@ Use the following parameters to configure logging:
<table>part_log</table>
<partition_by>toMonday(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</part_log>
```
@ -1773,6 +1789,14 @@ Use the following parameters to configure logging:
- `order_by` - [Custom sorting key](../../engines/table-engines/mergetree-family/mergetree.md#order_by) for a system table. Can't be used if `engine` defined.
- `engine` - [MergeTree Engine Definition](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) for a system table. Can't be used if `partition_by` or `order_by` defined.
- `flush_interval_milliseconds` – Interval for flushing data from the buffer in memory to the table.
- `max_size_rows` – Maximal size in lines for the logs. When non-flushed logs amount reaches max_size, logs dumped to the disk.
Default: 1048576.
- `reserved_size_rows` – Pre-allocated memory size in lines for the logs.
Default: 8192.
- `buffer_size_rows_flush_threshold` – Lines amount threshold, reaching it launches flushing logs to the disk in background.
Default: `max_size_rows / 2`.
- `flush_on_crash` - Indication whether logs should be dumped to the disk in case of a crash.
Default: false.
- `storage_policy` – Name of storage policy to use for the table (optional)
- `settings` - [Additional parameters](../../engines/table-engines/mergetree-family/mergetree.md/#settings) that control the behavior of the MergeTree (optional).
@ -1786,6 +1810,10 @@ If the table does not exist, ClickHouse will create it. If the structure of the
<table>query_log</table>
<engine>Engine = MergeTree PARTITION BY event_date ORDER BY event_time TTL event_date + INTERVAL 30 day</engine>
<flush_interval_milliseconds>7500</flush_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>
</query_log>
```
@ -1831,6 +1859,14 @@ Use the following parameters to configure logging:
- `order_by` - [Custom sorting key](../../engines/table-engines/mergetree-family/mergetree.md#order_by) for a system table. Can't be used if `engine` defined.
- `engine` - [MergeTree Engine Definition](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) for a system table. Can't be used if `partition_by` or `order_by` defined.
- `flush_interval_milliseconds` – Interval for flushing data from the buffer in memory to the table.
- `max_size_rows` – Maximal size in lines for the logs. When non-flushed logs amount reaches max_size_rows, logs dumped to the disk.
Default: 1048576.
- `reserved_size_rows` – Pre-allocated memory size in lines for the logs.
Default: 8192.
- `buffer_size_rows_flush_threshold` – Lines amount threshold, reaching it launches flushing logs to the disk in background.
Default: `max_size_rows / 2`.
- `flush_on_crash` - Indication whether logs should be dumped to the disk in case of a crash.
Default: false.
- `storage_policy` – Name of storage policy to use for the table (optional)
- `settings` - [Additional parameters](../../engines/table-engines/mergetree-family/mergetree.md/#settings) that control the behavior of the MergeTree (optional).
@ -1844,6 +1880,10 @@ If the table does not exist, ClickHouse will create it. If the structure of the
<table>query_thread_log</table>
<partition_by>toMonday(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</query_thread_log>
```
@ -1861,6 +1901,14 @@ Use the following parameters to configure logging:
- `order_by` - [Custom sorting key](../../engines/table-engines/mergetree-family/mergetree.md#order_by) for a system table. Can't be used if `engine` defined.
- `engine` - [MergeTree Engine Definition](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) for a system table. Can't be used if `partition_by` or `order_by` defined.
- `flush_interval_milliseconds` – Interval for flushing data from the buffer in memory to the table.
- `max_size_rows` – Maximal size in lines for the logs. When non-flushed logs amount reaches max_size, logs dumped to the disk.
Default: 1048576.
- `reserved_size_rows` – Pre-allocated memory size in lines for the logs.
Default: 8192.
- `buffer_size_rows_flush_threshold` – Lines amount threshold, reaching it launches flushing logs to the disk in background.
Default: `max_size_rows / 2`.
- `flush_on_crash` - Indication whether logs should be dumped to the disk in case of a crash.
Default: false.
- `storage_policy` – Name of storage policy to use for the table (optional)
- `settings` - [Additional parameters](../../engines/table-engines/mergetree-family/mergetree.md/#settings) that control the behavior of the MergeTree (optional).
@ -1874,6 +1922,10 @@ If the table does not exist, ClickHouse will create it. If the structure of the
<table>query_views_log</table>
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</query_views_log>
```
@ -1890,6 +1942,14 @@ Parameters:
- `order_by` - [Custom sorting key](../../engines/table-engines/mergetree-family/mergetree.md#order_by) for a system table. Can't be used if `engine` defined.
- `engine` - [MergeTree Engine Definition](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) for a system table. Can't be used if `partition_by` or `order_by` defined.
- `flush_interval_milliseconds` — Interval for flushing data from the buffer in memory to the table.
- `max_size_rows` – Maximal size in lines for the logs. When non-flushed logs amount reaches max_size, logs dumped to the disk.
Default: 1048576.
- `reserved_size_rows` – Pre-allocated memory size in lines for the logs.
Default: 8192.
- `buffer_size_rows_flush_threshold` – Lines amount threshold, reaching it launches flushing logs to the disk in background.
Default: `max_size_rows / 2`.
- `flush_on_crash` - Indication whether logs should be dumped to the disk in case of a crash.
Default: false.
- `storage_policy` – Name of storage policy to use for the table (optional)
- `settings` - [Additional parameters](../../engines/table-engines/mergetree-family/mergetree.md/#settings) that control the behavior of the MergeTree (optional).
@ -1901,13 +1961,16 @@ Parameters:
<database>system</database>
<table>text_log</table>
<flush_interval_milliseconds>7500</flush_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>
<!-- <partition_by>event_date</partition_by> -->
<engine>Engine = MergeTree PARTITION BY event_date ORDER BY event_time TTL event_date + INTERVAL 30 day</engine>
</text_log>
</clickhouse>
```
## trace_log {#server_configuration_parameters-trace_log}
Settings for the [trace_log](../../operations/system-tables/trace_log.md#system_tables-trace_log) system table operation.
@ -1920,6 +1983,12 @@ Parameters:
- `order_by` - [Custom sorting key](../../engines/table-engines/mergetree-family/mergetree.md#order_by) for a system table. Can't be used if `engine` defined.
- `engine` - [MergeTree Engine Definition](../../engines/table-engines/mergetree-family/index.md) for a system table. Can't be used if `partition_by` or `order_by` defined.
- `flush_interval_milliseconds` — Interval for flushing data from the buffer in memory to the table.
- `max_size_rows` – Maximal size in lines for the logs. When non-flushed logs amount reaches max_size, logs dumped to the disk.
Default: 1048576.
- `reserved_size_rows` – Pre-allocated memory size in lines for the logs.
Default: 8192.
- `buffer_size_rows_flush_threshold` – Lines amount threshold, reaching it launches flushing logs to the disk in background.
Default: `max_size_rows / 2`.
- `storage_policy` – Name of storage policy to use for the table (optional)
- `settings` - [Additional parameters](../../engines/table-engines/mergetree-family/mergetree.md/#settings) that control the behavior of the MergeTree (optional).
@ -1931,6 +2000,10 @@ The default server configuration file `config.xml` contains the following settin
<table>trace_log</table>
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</trace_log>
```
@ -1945,9 +2018,18 @@ Parameters:
- `partition_by` — [Custom partitioning key](../../engines/table-engines/mergetree-family/custom-partitioning-key.md) for a system table. Can't be used if `engine` defined.
- `engine` - [MergeTree Engine Definition](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) for a system table. Can't be used if `partition_by` defined.
- `flush_interval_milliseconds` — Interval for flushing data from the buffer in memory to the table.
- `max_size_rows` – Maximal size in lines for the logs. When non-flushed logs amount reaches max_size, logs dumped to the disk.
Default: 1048576.
- `reserved_size_rows` – Pre-allocated memory size in lines for the logs.
Default: 8192.
- `buffer_size_rows_flush_threshold` – Lines amount threshold, reaching it launches flushing logs to the disk in background.
Default: `max_size_rows / 2`.
- `flush_on_crash` - Indication whether logs should be dumped to the disk in case of a crash.
Default: false.
- `storage_policy` – Name of storage policy to use for the table (optional)
**Example**
```xml
<clickhouse>
<asynchronous_insert_log>
@ -1955,11 +2037,53 @@ Parameters:
<table>asynchronous_insert_log</table>
<flush_interval_milliseconds>7500</flush_interval_milliseconds>
<partition_by>toYYYYMM(event_date)</partition_by>
<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>
<!-- <engine>Engine = MergeTree PARTITION BY event_date ORDER BY event_time TTL event_date + INTERVAL 30 day</engine> -->
</asynchronous_insert_log>
</clickhouse>
```
## crash_log {#server_configuration_parameters-crash_log}
Settings for the [crash_log](../../operations/system-tables/crash-log.md) system table operation.
Parameters:
- `database` — Database for storing a table.
- `table` — Table name.
- `partition_by` — [Custom partitioning key](../../engines/table-engines/mergetree-family/custom-partitioning-key.md) for a system table. Can't be used if `engine` defined.
- `order_by` - [Custom sorting key](../../engines/table-engines/mergetree-family/mergetree.md#order_by) for a system table. Can't be used if `engine` defined.
- `engine` - [MergeTree Engine Definition](../../engines/table-engines/mergetree-family/index.md) for a system table. Can't be used if `partition_by` or `order_by` defined.
- `flush_interval_milliseconds` — Interval for flushing data from the buffer in memory to the table.
- `max_size_rows` – Maximal size in lines for the logs. When non-flushed logs amount reaches max_size, logs dumped to the disk.
Default: 1048576.
- `reserved_size_rows` – Pre-allocated memory size in lines for the logs.
Default: 8192.
- `buffer_size_rows_flush_threshold` – Lines amount threshold, reaching it launches flushing logs to the disk in background.
Default: `max_size_rows / 2`.
- `flush_on_crash` - Indication whether logs should be dumped to the disk in case of a crash.
Default: false.
- `storage_policy` – Name of storage policy to use for the table (optional)
- `settings` - [Additional parameters](../../engines/table-engines/mergetree-family/mergetree.md/#settings) that control the behavior of the MergeTree (optional).
The default server configuration file `config.xml` contains the following settings section:
``` xml
<crash_log>
<database>system</database>
<table>crash_log</table>
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_interval_milliseconds>
<max_size_rows>1024</max_size_rows>
<reserved_size_rows>1024</reserved_size_rows>
<buffer_size_rows_flush_threshold>512</buffer_size_rows_flush_threshold>
<flush_on_crash>false</flush_on_crash>
</crash_log>
```
## query_masking_rules {#query-masking-rules}
Regexp-based rules, which will be applied to queries as well as all log messages before storing them in server logs,

2
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@ -1164,7 +1164,7 @@ Enabled by default.
Compression method used in output Arrow format. Supported codecs: `lz4_frame`, `zstd`, `none` (uncompressed)
Default value: `none`.
Default value: `lz4_frame`.
## ORC format settings {#orc-format-settings}

6
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View File

@ -3468,6 +3468,12 @@ Possible values:
Default value: `0`.
## disable_url_encoding {#disable_url_encoding}
Allows to disable decoding/encoding path in uri in [URL](../../engines/table-engines/special/url.md) engine tables.
Disabled by default.
## database_atomic_wait_for_drop_and_detach_synchronously {#database_atomic_wait_for_drop_and_detach_synchronously}
Adds a modifier `SYNC` to all `DROP` and `DETACH` queries.

12
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@ -32,6 +32,10 @@ SELECT * FROM system.asynchronous_metrics LIMIT 10
└─────────────────────────────────────────┴────────────┴────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
```
<!--- Unlike with system.events and system.metrics, the asynchronous metrics are not gathered in a simple list in a source code file - they
are mixed with logic in src/Interpreters/ServerAsynchronousMetrics.cpp.
Listing them here explicitly for reader convenience. --->
## Metric descriptions
@ -483,6 +487,14 @@ The value is similar to `OSUserTime` but divided to the number of CPU cores to b
Number of threads in the server of the PostgreSQL compatibility protocol.
### QueryCacheBytes
Total size of the query cache cache in bytes.
### QueryCacheEntries
Total number of entries in the query cache.
### ReplicasMaxAbsoluteDelay
Maximum difference in seconds between the most fresh replicated part and the most fresh data part still to be replicated, across Replicated tables. A very high value indicates a replica with no data.

2
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@ -11,6 +11,8 @@ Columns:
- `value` ([UInt64](../../sql-reference/data-types/int-uint.md)) — Number of events occurred.
- `description` ([String](../../sql-reference/data-types/string.md)) — Event description.
You can find all supported events in source file [src/Common/ProfileEvents.cpp](https://github.com/ClickHouse/ClickHouse/blob/master/src/Common/ProfileEvents.cpp).
**Example**
``` sql

4
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View File

@ -47,6 +47,10 @@ An example:
<engine>ENGINE = MergeTree PARTITION BY toYYYYMM(event_date) ORDER BY (event_date, event_time) SETTINGS index_granularity = 1024</engine>
-->
<flush_interval_milliseconds>7500</flush_interval_milliseconds>
<max_size_rows>1048576</max_size>
<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>
</query_log>
</clickhouse>
```

76
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View File

@ -7,11 +7,17 @@ Contains information about settings for `MergeTree` tables.
Columns:
- `name` (String) — Setting name.
- `value` (String) — Setting value.
- `description` (String) — Setting description.
- `type` (String) — Setting type (implementation specific string value).
- `changed` (UInt8) — Whether the setting was explicitly defined in the config or explicitly changed.
- `name` ([String](../../sql-reference/data-types/string.md)) — Setting name.
- `value` ([String](../../sql-reference/data-types/string.md)) — Setting value.
- `changed` ([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges)) — Whether the setting was explicitly defined in the config or explicitly changed.
- `description` ([String](../../sql-reference/data-types/string.md)) — Setting description.
- `min` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — Minimum value of the setting, if any is set via [constraints](../../operations/settings/constraints-on-settings.md#constraints-on-settings). If the setting has no minimum value, contains [NULL](../../sql-reference/syntax.md#null-literal).
- `max` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — Maximum value of the setting, if any is set via [constraints](../../operations/settings/constraints-on-settings.md#constraints-on-settings). If the setting has no maximum value, contains [NULL](../../sql-reference/syntax.md#null-literal).
- `readonly` ([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges)) — Shows whether the current user can change the setting:
- `0` — Current user can change the setting.
- `1` — Current user can’t change the setting.
- `type` ([String](../../sql-reference/data-types/string.md)) — Setting type (implementation specific string value).
- `is_obsolete` ([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges)) _ Shows whether a setting is obsolete.
**Example**
```sql
@ -21,35 +27,51 @@ SELECT * FROM system.merge_tree_settings LIMIT 4 FORMAT Vertical;
```response
Row 1:
──────
name: min_compress_block_size
value: 0
changed: 0
description: When granule is written, compress the data in buffer if the size of pending uncompressed data is larger or equal than the specified threshold. If this setting is not set, the corresponding global setting is used.
min: ____
max: ____
readonly: 0
type: UInt64
is_obsolete: 0
Row 2:
──────
name: max_compress_block_size
value: 0
changed: 0
description: Compress the pending uncompressed data in buffer if its size is larger or equal than the specified threshold. Block of data will be compressed even if the current granule is not finished. If this setting is not set, the corresponding global setting is used.
min: ____
max: ____
readonly: 0
type: UInt64
is_obsolete: 0
Row 3:
──────
name: index_granularity
value: 8192
changed: 0
description: How many rows correspond to one primary key value.
type: SettingUInt64
Row 2:
──────
name: min_bytes_for_wide_part
value: 0
changed: 0
description: Minimal uncompressed size in bytes to create part in wide format instead of compact
type: SettingUInt64
Row 3:
──────
name: min_rows_for_wide_part
value: 0
changed: 0
description: Minimal number of rows to create part in wide format instead of compact
type: SettingUInt64
min: ____
max: ____
readonly: 0
type: UInt64
is_obsolete: 0
Row 4:
──────
name: merge_max_block_size
value: 8192
name: max_digestion_size_per_segment
value: 268435456
changed: 0
description: How many rows in blocks should be formed for merge operations.
type: SettingUInt64
description: Max number of bytes to digest per segment to build GIN index.
min: ____
max: ____
readonly: 0
type: UInt64
is_obsolete: 0
4 rows in set. Elapsed: 0.001 sec.
4 rows in set. Elapsed: 0.009 sec.
```

2
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@ -11,7 +11,7 @@ Columns:
- `value` ([Int64](../../sql-reference/data-types/int-uint.md)) — Metric value.
- `description` ([String](../../sql-reference/data-types/string.md)) — Metric description.
The list of supported metrics you can find in the [src/Common/CurrentMetrics.cpp](https://github.com/ClickHouse/ClickHouse/blob/master/src/Common/CurrentMetrics.cpp) source file of ClickHouse.
You can find all supported metrics in source file [src/Common/CurrentMetrics.cpp](https://github.com/ClickHouse/ClickHouse/blob/master/src/Common/CurrentMetrics.cpp).
**Example**

6
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View File

@ -111,6 +111,11 @@ 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.
- `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.
- `'Write'` = The query result was written into the query cache.
- `'Read'` = The query result was read from the query cache.
**Example**
@ -186,6 +191,7 @@ used_formats: []
used_functions: []
used_storages: []
used_table_functions: []
query_cache_usage: None
```
**See Also**

25
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View File

@ -14,6 +14,7 @@ Columns:
- `changed` ([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges)) — Shows whether a setting was specified in `config.xml`
- `description` ([String](../../sql-reference/data-types/string.md)) — Short server setting description.
- `type` ([String](../../sql-reference/data-types/string.md)) — Server setting value type.
- `is_obsolete` ([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges)) _ Shows whether a setting is obsolete.
**Example**
@ -26,14 +27,22 @@ WHERE name LIKE '%thread_pool%'
```
``` text
┌─name─────────────────────────┬─value─┬─default─┬─changed─┬─description─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┬─type───┐
│ max_thread_pool_size │ 5000 │ 10000 │ 1 │ The maximum number of threads that could be allocated from the OS and used for query execution and background operations. │ UInt64 │
│ max_thread_pool_free_size │ 1000 │ 1000 │ 0 │ The maximum number of threads that will always stay in a global thread pool once allocated and remain idle in case of insufficient number of tasks. │ UInt64 │
│ thread_pool_queue_size │ 10000 │ 10000 │ 0 │ The maximum number of tasks that will be placed in a queue and wait for execution. │ UInt64 │
│ max_io_thread_pool_size │ 100 │ 100 │ 0 │ The maximum number of threads that would be used for IO operations │ UInt64 │
│ max_io_thread_pool_free_size │ 0 │ 0 │ 0 │ Max free size for IO thread pool. │ UInt64 │
│ io_thread_pool_queue_size │ 10000 │ 10000 │ 0 │ Queue size for IO thread pool. │ UInt64 │
└──────────────────────────────┴───────┴─────────┴─────────┴─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┴────────┘
┌─name────────────────────────────────────────_─value─_─default─_─changed─_─description──────────────────────────────────────────────────────────────────────────────────────────────────────
───────────────────────────────────_─type───_─is_obsolete─┐
│ max_thread_pool_size │ 10000 │ 10000 │ 1 │ The maximum number of threads that could be allocated from the OS and used for query execution and background operations. │ UInt64 │ 0 │
│ max_thread_pool_free_size │ 1000 │ 1000 │ 0 │ The maximum number of threads that will always stay in a global thread pool once allocated and remain idle in case of insufficient number of tasks. │ UInt64 │ 0 │
│ thread_pool_queue_size │ 10000 │ 10000 │ 0 │ The maximum number of tasks that will be placed in a queue and wait for execution. │ UInt64 │ 0 │
│ max_io_thread_pool_size │ 100 │ 100 │ 0 │ The maximum number of threads that would be used for IO operations │ UInt64 │ 0 │
│ max_io_thread_pool_free_size │ 0 │ 0 │ 0 │ Max free size for IO thread pool. │ UInt64 │ 0 │
│ io_thread_pool_queue_size │ 10000 │ 10000 │ 0 │ Queue size for IO thread pool. │ UInt64 │ 0 │
│ max_active_parts_loading_thread_pool_size │ 64 │ 64 │ 0 │ The number of threads to load active set of data parts (Active ones) at startup. │ UInt64 │ 0 │
│ max_outdated_parts_loading_thread_pool_size │ 32 │ 32 │ 0 │ The number of threads to load inactive set of data parts (Outdated ones) at startup. │ UInt64 │ 0 │
│ max_parts_cleaning_thread_pool_size │ 128 │ 128 │ 0 │ The number of threads for concurrent removal of inactive data parts. │ UInt64 │ 0 │
│ max_backups_io_thread_pool_size │ 1000 │ 1000 │ 0 │ The maximum number of threads that would be used for IO operations for BACKUP queries │ UInt64 │ 0 │
│ max_backups_io_thread_pool_free_size │ 0 │ 0 │ 0 │ Max free size for backups IO thread pool. │ UInt64 │ 0 │
│ backups_io_thread_pool_queue_size │ 0 │ 0 │ 0 │ Queue size for backups IO thread pool. │ UInt64 │ 0 │
└─────────────────────────────────────────────┴───────┴─────────┴─────────┴──────────────────────────────────────────────────────────────────────────────────────────────────────────────────
───────────────────────────────────┴────────┴─────────────┘
```
Using of `WHERE changed` can be useful, for example, when you want to check

14
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@ -17,6 +17,7 @@ Columns:
- `0` — Current user can change the setting.
- `1` — Current user can’t change the setting.
- `default` ([String](../../sql-reference/data-types/string.md)) — Setting default value.
- `is_obsolete` ([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges)) _ Shows whether a setting is obsolete.
**Example**
@ -29,11 +30,14 @@ WHERE name LIKE '%min_i%'
```
``` text
┌─name────────────────────────────────────────┬─value─────┬─changed─┬─description───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┬─min──┬─max──┬─readonly─┐
│ min_insert_block_size_rows │ 1048576 │ 0 │ Squash blocks passed to INSERT query to specified size in rows, if blocks are not big enough. │ ᴺᵁᴸᴸ │ ᴺᵁᴸᴸ │ 0 │
│ min_insert_block_size_bytes │ 268435456 │ 0 │ Squash blocks passed to INSERT query to specified size in bytes, if blocks are not big enough. │ ᴺᵁᴸᴸ │ ᴺᵁᴸᴸ │ 0 │
│ read_backoff_min_interval_between_events_ms │ 1000 │ 0 │ Settings to reduce the number of threads in case of slow reads. Do not pay attention to the event, if the previous one has passed less than a certain amount of time. │ ᴺᵁᴸᴸ │ ᴺᵁᴸᴸ │ 0 │
└─────────────────────────────────────────────┴───────────┴─────────┴───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┴──────┴──────┴──────────┘
┌─name───────────────────────────────────────────────_─value─────_─changed─_─description───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────_─min──_─max──_─readonly─_─type─────────_─default───_─alias_for─_─is_obsolete─┐
│ min_insert_block_size_rows │ 1048449 │ 0 │ Squash blocks passed to INSERT query to specified size in rows, if blocks are not big enough. │ ____ │ ____ │ 0 │ UInt64 │ 1048449 │ │ 0 │
│ min_insert_block_size_bytes │ 268402944 │ 0 │ Squash blocks passed to INSERT query to specified size in bytes, if blocks are not big enough. │ ____ │ ____ │ 0 │ UInt64 │ 268402944 │ │ 0 │
│ min_insert_block_size_rows_for_materialized_views │ 0 │ 0 │ Like min_insert_block_size_rows, but applied only during pushing to MATERIALIZED VIEW (default: min_insert_block_size_rows) │ ____ │ ____ │ 0 │ UInt64 │ 0 │ │ 0 │
│ min_insert_block_size_bytes_for_materialized_views │ 0 │ 0 │ Like min_insert_block_size_bytes, but applied only during pushing to MATERIALIZED VIEW (default: min_insert_block_size_bytes) │ ____ │ ____ │ 0 │ UInt64 │ 0 │ │ 0 │
│ read_backoff_min_interval_between_events_ms │ 1000 │ 0 │ Settings to reduce the number of threads in case of slow reads. Do not pay attention to the event, if the previous one has passed less than a certain amount of time. │ ____ │ ____ │ 0 │ Milliseconds │ 1000 │ │ 0 │
└────────────────────────────────────────────────────┴───────────┴─────────┴─────────────────────────────────────────────────────────────────────────────────────────────────────────────────
──────────────────────────────────────────────────────┴──────┴──────┴──────────┴──────────────┴───────────┴───────────┴─────────────┘
```
Using of `WHERE changed` can be useful, for example, when you want to check:

2
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@ -12,3 +12,5 @@ To get a determinate result, you can use the ‘min’ or ‘max’ function ins
In some cases, you can rely on the order of execution. This applies to cases when SELECT comes from a subquery that uses ORDER BY.
When a `SELECT` query has the `GROUP BY` clause or at least one aggregate function, ClickHouse (in contrast to MySQL) requires that all expressions in the `SELECT`, `HAVING`, and `ORDER BY` clauses be calculated from keys or from aggregate functions. In other words, each column selected from the table must be used either in keys or inside aggregate functions. To get behavior like in MySQL, you can put the other columns in the `any` aggregate function.
- Alias: `any_value`

2
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View File

@ -1449,7 +1449,7 @@ Using replacement fields, you can define a pattern for the resulting string. “
| %n | new-line character (‘’) | |
| %p | AM or PM designation | PM |
| %Q | Quarter (1-4) | 1 |
| %r | 12-hour HH:MM AM/PM time, equivalent to %H:%i %p | 10:30 PM |
| %r | 12-hour HH:MM AM/PM time, equivalent to %h:%i %p | 10:30 PM |
| %R | 24-hour HH:MM time, equivalent to %H:%i | 22:33 |
| %s | second (00-59) | 44 |
| %S | second (00-59) | 44 |

8
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@ -51,7 +51,7 @@ Calculates the MD5 from a string and returns the resulting set of bytes as Fixed
If you do not need MD5 in particular, but you need a decent cryptographic 128-bit hash, use the ‘sipHash128’ function instead.
If you want to get the same result as output by the md5sum utility, use lower(hex(MD5(s))).
## sipHash64 {#hash_functions-siphash64}
## sipHash64 (#hash_functions-siphash64)
Produces a 64-bit [SipHash](https://en.wikipedia.org/wiki/SipHash) hash value.
@ -63,9 +63,9 @@ This is a cryptographic hash function. It works at least three times faster than
The function [interprets](/docs/en/sql-reference/functions/type-conversion-functions.md/#type_conversion_functions-reinterpretAsString) all the input parameters as strings and calculates the hash value for each of them. It then combines the hashes by the following algorithm:
1. The first and the second hash value are concatenated to an array which is hashed.
2. The previously calculated hash value and the hash of the third input parameter are hashed in a similar way.
3. This calculation is repeated for all remaining hash values of the original input.
1. The first and the second hash value are concatenated to an array which is hashed.
2. The previously calculated hash value and the hash of the third input parameter are hashed in a similar way.
3. This calculation is repeated for all remaining hash values of the original input.
**Arguments**

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@ -575,6 +575,42 @@ Alias:
Like `substring` but for Unicode code points. Assumes that the string contains valid UTF-8 encoded text. If this assumption is violated, no exception is thrown and the result is undefined.
## substringIndex(s, delim, count)
Returns the substring of `s` before `count` occurrences of the delimiter `delim`, as in Spark or MySQL.
**Syntax**
```sql
substringIndex(s, delim, count)
```
Alias: `SUBSTRING_INDEX`
**Arguments**
- s: The string to extract substring from. [String](../../sql-reference/data-types/string.md).
- delim: The character to split. [String](../../sql-reference/data-types/string.md).
- count: The number of occurrences of the delimiter to count before extracting the substring. If count is positive, everything to the left of the final delimiter (counting from the left) is returned. If count is negative, everything to the right of the final delimiter (counting from the right) is returned. [UInt or Int](../data-types/int-uint.md)
**Example**
``` sql
SELECT substringIndex('www.clickhouse.com', '.', 2)
```
Result:
```
┌─substringIndex('www.clickhouse.com', '.', 2)─┐
│ www.clickhouse │
└──────────────────────────────────────────────┘
```
## substringIndexUTF8(s, delim, count)
Like `substringIndex` but for Unicode code points. Assumes that the string contains valid UTF-8 encoded text. If this assumption is violated, no exception is thrown and the result is undefined.
## appendTrailingCharIfAbsent
Appends character `c` to string `s` if `s` is non-empty and does not end with character `c`.

50
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@ -631,3 +631,53 @@ Result:
│ 100 │ 200 │ 100-200 │ 100 │
└──────────────────────────────────────────────┴──────────────────────────────────────────────┴──────────────────────────────────────────────┴───────────────────────────────────────────┘
```
## hasSubsequence
Returns 1 if needle is a subsequence of haystack, or 0 otherwise.
A subsequence of a string is a sequence that can be derived from the given string by deleting zero or more elements without changing the order of the remaining elements.
**Syntax**
``` sql
hasSubsequence(haystack, needle)
```
**Arguments**
- `haystack` — String in which the search is performed. [String](../../sql-reference/syntax.md#syntax-string-literal).
- `needle` — Subsequence to be searched. [String](../../sql-reference/syntax.md#syntax-string-literal).
**Returned values**
- 1, if needle is a subsequence of haystack.
- 0, otherwise.
Type: `UInt8`.
**Examples**
``` sql
SELECT hasSubsequence('garbage', 'arg') ;
```
Result:
``` text
┌─hasSubsequence('garbage', 'arg')─┐
│ 1 │
└──────────────────────────────────┘
```
## hasSubsequenceCaseInsensitive
Like [hasSubsequence](#hasSubsequence) but searches case-insensitively.
## hasSubsequenceUTF8
Like [hasSubsequence](#hasSubsequence) but assumes `haystack` and `needle` are UTF-8 encoded strings.
## hasSubsequenceCaseInsensitiveUTF8
Like [hasSubsequenceUTF8](#hasSubsequenceUTF8) but searches case-insensitively.

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@ -213,7 +213,7 @@ Removes one of the column properties: `DEFAULT`, `ALIAS`, `MATERIALIZED`, `CODEC
Syntax:
```sql
ALTER TABLE table_name MODIFY column_name REMOVE property;
ALTER TABLE table_name MODIFY COLUMN column_name REMOVE property;
```
**Example**

26
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@ -414,3 +414,29 @@ Will do sync syscall.
```sql
SYSTEM SYNC FILE CACHE [ON CLUSTER cluster_name]
```
### SYSTEM STOP LISTEN
Closes the socket and gracefully terminates the existing connections to the server on the specified port with the specified protocol.
However, if the corresponding protocol settings were not specified in the clickhouse-server configuration, this command will have no effect.
```sql
SYSTEM STOP LISTEN [ON CLUSTER cluster_name] [QUERIES ALL | QUERIES DEFAULT | QUERIES CUSTOM | TCP | TCP_WITH_PROXY | TCP_SECURE | HTTP | HTTPS | MYSQL | GRPC | POSTGRESQL | PROMETHEUS | CUSTOM 'protocol']
```
- If `CUSTOM 'protocol'` modifier is specified, the custom protocol with the specified name defined in the protocols section of the server configuration will be stopped.
- If `QUERIES ALL` modifier is specified, all protocols are stopped.
- If `QUERIES DEFAULT` modifier is specified, all default protocols are stopped.
- If `QUERIES CUSTOM` modifier is specified, all custom protocols are stopped.
### SYSTEM START LISTEN
Allows new connections to be established on the specified protocols.
However, if the server on the specified port and protocol was not stopped using the SYSTEM STOP LISTEN command, this command will have no effect.
```sql
SYSTEM START LISTEN [ON CLUSTER cluster_name] [QUERIES ALL | QUERIES DEFAULT | QUERIES CUSTOM | TCP | TCP_WITH_PROXY | TCP_SECURE | HTTP | HTTPS | MYSQL | GRPC | POSTGRESQL | PROMETHEUS | CUSTOM 'protocol']
```

1
docs/en/sql-reference/table-functions/url.md
View File

@ -56,6 +56,7 @@ Character `|` inside patterns is used to specify failover addresses. They are it
## Storage Settings {#storage-settings}
- [engine_url_skip_empty_files](/docs/en/operations/settings/settings.md#engine_url_skip_empty_files) - allows to skip empty files while reading. Disabled by default.
- [disable_url_encoding](/docs/en/operations/settings/settings.md#disable_url_encoding) - allows to disable decoding/encoding path in uri. Disabled by default.
**See Also**

55
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View File

@ -3,23 +3,46 @@ slug: /en/guides/developer/transactional
---
# Transactional (ACID) support
INSERT into one partition* in one table* of MergeTree* family up to max_insert_block_size rows* is transactional (ACID):
- Atomic: INSERT is succeeded or rejected as a whole: if confirmation is sent to the client, all rows INSERTed; if error is sent to the client, no rows INSERTed.
## Case 1: INSERT into one partition, of one table, of the MergeTree* family
This is transactional (ACID) if the inserted rows are packed and inserted as a single block (see Notes):
- Atomic: an INSERT succeeds or is rejected as a whole: if a confirmation is sent to the client, then all rows were inserted; if an error is sent to the client, then no rows were inserted.
- Consistent: if there are no table constraints violated, then all rows in an INSERT are inserted and the INSERT succeeds; if constraints are violated, then no rows are inserted.
- Isolated: concurrent clients observe a consistent snapshot of the table–the state of the table either as if before INSERT or after successful INSERT; no partial state is seen;
- Durable: successful INSERT is written to the filesystem before answering to the client, on single replica or multiple replicas (controlled by the `insert_quorum` setting), and ClickHouse can ask the OS to sync the filesystem data on the storage media (controlled by the `fsync_after_insert` setting).
* If table has many partitions and INSERT covers many partitions–then insertion into every partition is transactional on its own;
* INSERT into multiple tables with one statement is possible if materialized views are involved;
* INSERT into Distributed table is not transactional as a whole, while insertion into every shard is transactional;
* another example: insert into Buffer tables is neither atomic nor isolated or consistent or durable;
* atomicity is ensured even if `async_insert` is enabled, but it can be turned off by the wait_for_async_insert setting;
* max_insert_block_size is 1 000 000 by default and can be adjusted as needed;
* if client did not receive the answer from the server, the client does not know if transaction succeeded, and it can repeat the transaction, using exactly-once insertion properties;
* ClickHouse is using MVCC with snapshot isolation internally;
* all ACID properties are valid even in case of server kill / crash;
* either insert_quorum into different AZ or fsync should be enabled to ensure durable inserts in typical setup;
* "consistency" in ACID terms does not cover the semantics of distributed systems, see https://jepsen.io/consistency which is controlled by different settings (select_sequential_consistency)
* this explanation does not cover a new transactions feature that allow to have full-featured transactions over multiple tables, materialized views, for multiple SELECTs, etc.
- Isolated: concurrent clients observe a consistent snapshot of the table–the state of the table either as it was before the INSERT attempt, or after the successful INSERT; no partial state is seen
- Durable: a successful INSERT is written to the filesystem before answering to the client, on a single replica or multiple replicas (controlled by the `insert_quorum` setting), and ClickHouse can ask the OS to sync the filesystem data on the storage media (controlled by the `fsync_after_insert` setting).
- INSERT into multiple tables with one statement is possible if materialized views are involved (the INSERT from the client is to a table which has associate materialized views).
## Case 2: INSERT into multiple partitions, of one table, of the MergeTree* family
Same as Case 1 above, with this detail:
- If table has many partitions and INSERT covers many partitions–then insertion into every partition is transactional on its own
## Case 3: INSERT into one distributed table of the MergeTree* family
Same as Case 1 above, with this detail:
- INSERT into Distributed table is not transactional as a whole, while insertion into every shard is transactional
## Case 4: Using a Buffer table
- insert into Buffer tables is neither atomic nor isolated nor consistent nor durable
## Case 5: Using async_insert
Same as Case 1 above, with this detail:
- atomicity is ensured even if `async_insert` is enabled and `wait_for_async_insert` is set to 1 (the default), but if `wait_for_async_insert` is set to 0, then atomicity is not ensured.
## Notes
- rows inserted from the client in some data format are packed into a single block when:
- the insert format is row-based (like CSV, TSV, Values, JSONEachRow, etc) and the data contains less then `max_insert_block_size` rows (~1 000 000 by default) or less then `min_chunk_bytes_for_parallel_parsing` bytes (10 MB by default) in case of parallel parsing is used (enabled by default)
- the insert format is column-based (like Native, Parquet, ORC, etc) and the data contains only one block of data
- the size of the inserted block in general may depend on many settings (for example: `max_block_size`, `max_insert_block_size`, `min_insert_block_size_rows`, `min_insert_block_size_bytes`, `preferred_block_size_bytes`, etc)
- if the client did not receive an answer from the server, the client does not know if the transaction succeeded, and it can repeat the transaction, using exactly-once insertion properties
- ClickHouse is using MVCC with snapshot isolation internally
- all ACID properties are valid even in the case of server kill/crash
- either insert_quorum into different AZ or fsync should be enabled to ensure durable inserts in the typical setup
- "consistency" in ACID terms does not cover the semantics of distributed systems, see https://jepsen.io/consistency which is controlled by different settings (select_sequential_consistency)
- this explanation does not cover a new transactions feature that allow to have full-featured transactions over multiple tables, materialized views, for multiple SELECTs, etc. (see the next section on Transactions, Commit, and Rollback)
## Transactions, Commit, and Rollback

16
docs/ru/interfaces/http.md
View File

@ -50,7 +50,7 @@ Connection: Close
Content-Type: text/tab-separated-values; charset=UTF-8
X-ClickHouse-Server-Display-Name: clickhouse.ru-central1.internal
X-ClickHouse-Query-Id: 5abe861c-239c-467f-b955-8a201abb8b7f
X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
1
```
@ -266,9 +266,9 @@ $ echo 'SELECT number FROM system.numbers LIMIT 10' | curl 'http://localhost:812
Прогресс выполнения запроса можно отслеживать с помощью заголовков ответа `X-ClickHouse-Progress`. Для этого включите [send_progress_in_http_headers](../operations/settings/settings.md#settings-send_progress_in_http_headers). Пример последовательности заголовков:
``` text
X-ClickHouse-Progress: {"read_rows":"2752512","read_bytes":"240570816","total_rows_to_read":"8880128"}
X-ClickHouse-Progress: {"read_rows":"5439488","read_bytes":"482285394","total_rows_to_read":"8880128"}
X-ClickHouse-Progress: {"read_rows":"8783786","read_bytes":"819092887","total_rows_to_read":"8880128"}
X-ClickHouse-Progress: {"read_rows":"2752512","read_bytes":"240570816","total_rows_to_read":"8880128","peak_memory_usage":"4371480"}
X-ClickHouse-Progress: {"read_rows":"5439488","read_bytes":"482285394","total_rows_to_read":"8880128","peak_memory_usage":"13621616"}
X-ClickHouse-Progress: {"read_rows":"8783786","read_bytes":"819092887","total_rows_to_read":"8880128","peak_memory_usage":"23155600"}
```
Возможные поля заголовка:
@ -529,7 +529,7 @@ $ curl -vv -H 'XXX:xxx' 'http://localhost:8123/hi'
< Content-Type: text/html; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
* Connection #0 to host localhost left intact
Say Hi!%
@ -569,7 +569,7 @@ $ curl -v -H 'XXX:xxx' 'http://localhost:8123/get_config_static_handler'
< Content-Type: text/plain; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
* Connection #0 to host localhost left intact
<html ng-app="SMI2"><head><base href="http://ui.tabix.io/"></head><body><div ui-view="" class="content-ui"></div><script src="http://loader.tabix.io/master.js"></script></body></html>%
@ -621,7 +621,7 @@ $ curl -vv -H 'XXX:xxx' 'http://localhost:8123/get_absolute_path_static_handler'
< Content-Type: text/html; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
<html><body>Absolute Path File</body></html>
* Connection #0 to host localhost left intact
@ -640,7 +640,7 @@ $ curl -vv -H 'XXX:xxx' 'http://localhost:8123/get_relative_path_static_handler'
< Content-Type: text/html; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
<html><body>Relative Path File</body></html>
* Connection #0 to host localhost left intact

37
docs/ru/operations/configuration-files.md
View File

@ -85,6 +85,43 @@ $ cat /etc/clickhouse-server/users.d/alice.xml
Сервер следит за изменениями конфигурационных файлов, а также файлов и ZooKeeper-узлов, которые были использованы при выполнении подстановок и переопределений, и перезагружает настройки пользователей и кластеров на лету. То есть, можно изменять кластера, пользователей и их настройки без перезапуска сервера.
## Шифрование {#encryption}
Вы можете использовать симметричное шифрование для зашифровки элемента конфигурации, например, поля password. Чтобы это сделать, сначала настройте [кодек шифрования](../sql-reference/statements/create/table.md#encryption-codecs), затем добавьте аттибут`encrypted_by` с именем кодека шифрования как значение к элементу, который надо зашифровать.
В отличии от аттрибутов `from_zk`, `from_env` и `incl` (или элемента `include`), подстановка, т.е. расшифровка зашифрованного значения, не выподняется в файле предобработки. Расшифровка происходит только во время исполнения в серверном процессе.
Пример:
```xml
<clickhouse>
<encryption_codecs>
<aes_128_gcm_siv>
<key_hex>00112233445566778899aabbccddeeff</key_hex>
</aes_128_gcm_siv>
</encryption_codecs>
<interserver_http_credentials>
<user>admin</user>
<password encrypted_by="AES_128_GCM_SIV">961F000000040000000000EEDDEF4F453CFE6457C4234BD7C09258BD651D85</password>
</interserver_http_credentials>
</clickhouse>
```
Чтобы получить зашифрованное значение может быть использовано приложение-пример `encrypt_decrypt` .
Пример:
``` bash
./encrypt_decrypt /etc/clickhouse-server/config.xml -e AES_128_GCM_SIV abcd
```
``` text
961F000000040000000000EEDDEF4F453CFE6457C4234BD7C09258BD651D85
```
## Примеры записи конфигурации на YAML {#example}
Здесь можно рассмотреть пример реальной конфигурации записанной на YAML: [config.yaml.example](https://github.com/ClickHouse/ClickHouse/blob/master/programs/server/config.yaml.example).

212
docs/ru/operations/server-configuration-parameters/settings.md
View File

@ -1058,6 +1058,10 @@ ClickHouse использует потоки из глобального пул
<table>metric_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>
</metric_log>
</clickhouse>
```
@ -1155,12 +1159,19 @@ ClickHouse использует потоки из глобального пул
При настройке логирования используются следующие параметры:
- `database` — имя базы данных;
- `table` — имя таблицы;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `database` — имя базы данных;
- `table` — имя таблицы;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `max_size_rows` – максимальный размер в строках для буфера с логами. Когда буфер будет заполнен полностью, сбрасывает логи на диск.
Значение по умолчанию: 1048576.
- `reserved_size_rows` – преаллоцированный размер в строках для буфера с логами.
Значение по умолчанию: 8192.
- `buffer_size_bytes_flush_threshold` – количество линий в логе при достижении которого логи начнут скидываться на диск в неблокирующем режиме.
Значение по умолчанию: `max_size / 2`.
- `flush_on_crash` - должны ли логи быть сброшены на диск в случае неожиданной остановки программы.
Значение по умолчанию: false.
**Пример**
``` xml
@ -1169,6 +1180,10 @@ ClickHouse использует потоки из глобального пул
<table>part_log</table>
<partition_by>toMonday(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</part_log>
```
@ -1218,11 +1233,19 @@ ClickHouse использует потоки из глобального пул
При настройке логирования используются следующие параметры:
- `database` — имя базы данных;
- `table` — имя таблицы, куда будет записываться лог;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `database` — имя базы данных;
- `table` — имя таблицы;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `max_size_rows` – максимальный размер в строках для буфера с логами. Когда буфер будет заполнен полностью, сбрасывает логи на диск.
Значение по умолчанию: 1048576.
- `reserved_size_rows` – преаллоцированный размер в строках для буфера с логами.
Значение по умолчанию: 8192.
- `buffer_size_bytes_flush_threshold` – количество линий в логе при достижении которого логи начнут скидываться на диск в неблокирующем режиме.
Значение по умолчанию: `max_size / 2`.
- `flush_on_crash` - должны ли логи быть сброшены на диск в случае неожиданной остановки программы.
Значение по умолчанию: false.
Если таблица не существует, то ClickHouse создаст её. Если структура журнала запросов изменилась при обновлении сервера ClickHouse, то таблица со старой структурой переименовывается, а новая таблица создается автоматически.
@ -1234,6 +1257,10 @@ ClickHouse использует потоки из глобального пул
<table>query_log</table>
<engine>Engine = MergeTree PARTITION BY event_date ORDER BY event_time TTL event_date + INTERVAL 30 day</engine>
<flush_interval_milliseconds>7500</flush_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>
</query_log>
```
@ -1245,11 +1272,19 @@ ClickHouse использует потоки из глобального пул
При настройке логирования используются следующие параметры:
- `database` — имя базы данных;
- `table` — имя таблицы, куда будет записываться лог;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `database` — имя базы данных;
- `table` — имя таблицы;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `max_size_rows` – максимальный размер в строках для буфера с логами. Когда буфер будет заполнен полностью, сбрасывает логи на диск.
Значение по умолчанию: 1048576.
- `reserved_size_rows` – преаллоцированный размер в строках для буфера с логами.
Значение по умолчанию: 8192.
- `buffer_size_bytes_flush_threshold` – количество линий в логе при достижении которого логи начнут скидываться на диск в неблокирующем режиме.
Значение по умолчанию: `max_size / 2`.
- `flush_on_crash` - должны ли логи быть сброшены на диск в случае неожиданной остановки программы.
Значение по умолчанию: false.
Если таблица не существует, то ClickHouse создаст её. Если структура журнала запросов изменилась при обновлении сервера ClickHouse, то таблица со старой структурой переименовывается, а новая таблица создается автоматически.
@ -1261,6 +1296,10 @@ ClickHouse использует потоки из глобального пул
<table>query_thread_log</table>
<partition_by>toMonday(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</query_thread_log>
```
@ -1272,11 +1311,19 @@ ClickHouse использует потоки из глобального пул
При настройке логирования используются следующие параметры:
- `database` – имя базы данных.
- `table` – имя системной таблицы, где будут логироваться запросы.
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../engines/table-engines/mergetree-family/custom-partitioning-key.md). Нельзя использовать, если задан параметр `engine`.
- `engine` — устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать, если задан параметр `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `database` — имя базы данных;
- `table` — имя таблицы;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `max_size_rows` – максимальный размер в строках для буфера с логами. Когда буфер будет заполнен полностью, сбрасывает логи на диск.
Значение по умолчанию: 1048576.
- `reserved_size_rows` – преаллоцированный размер в строках для буфера с логами.
Значение по умолчанию: 8192.
- `buffer_size_bytes_flush_threshold` – количество линий в логе при достижении которого логи начнут скидываться на диск в неблокирующем режиме.
Значение по умолчанию: `max_size / 2`.
- `flush_on_crash` - должны ли логи быть сброшены на диск в случае неожиданной остановки программы.
Значение по умолчанию: false.
Если таблица не существует, то ClickHouse создаст её. Если структура журнала запросов изменилась при обновлении сервера ClickHouse, то таблица со старой структурой переименовывается, а новая таблица создается автоматически.
@ -1288,6 +1335,10 @@ ClickHouse использует потоки из глобального пул
<table>query_views_log</table>
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</query_views_log>
```
@ -1297,12 +1348,20 @@ ClickHouse использует потоки из глобального пул
Параметры:
- `level` — Максимальный уровень сообщения (по умолчанию `Trace`) которое будет сохранено в таблице.
- `database` — имя базы данных для хранения таблицы.
- `table` — имя таблицы, куда будут записываться текстовые сообщения.
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../engines/table-engines/mergetree-family/custom-partitioning-key.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `level` — Максимальный уровень сообщения (по умолчанию `Trace`) которое будет сохранено в таблице.
- `database` — имя базы данных;
- `table` — имя таблицы;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `max_size_rows` – максимальный размер в строках для буфера с логами. Когда буфер будет заполнен полностью, сбрасывает логи на диск.
Значение по умолчанию: 1048576.
- `reserved_size_rows` – преаллоцированный размер в строках для буфера с логами.
Значение по умолчанию: 8192.
- `buffer_size_bytes_flush_threshold` – количество линий в логе при достижении которого логи начнут скидываться на диск в неблокирующем режиме.
Значение по умолчанию: `max_size / 2`.
- `flush_on_crash` - должны ли логи быть сброшены на диск в случае неожиданной остановки программы.
Значение по умолчанию: false.
**Пример**
```xml
@ -1312,6 +1371,10 @@ ClickHouse использует потоки из глобального пул
<database>system</database>
<table>text_log</table>
<flush_interval_milliseconds>7500</flush_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>
<!-- <partition_by>event_date</partition_by> -->
<engine>Engine = MergeTree PARTITION BY event_date ORDER BY event_time TTL event_date + INTERVAL 30 day</engine>
</text_log>
@ -1323,13 +1386,21 @@ ClickHouse использует потоки из глобального пул
Настройки для [trace_log](../../operations/system-tables/trace_log.md#system_tables-trace_log) system table operation.
Parameters:
Параметры:
- `database` — Database for storing a table.
- `table` — Table name.
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — Interval for flushing data from the buffer in memory to the table.
- `database` — имя базы данных;
- `table` — имя таблицы;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `max_size_rows` – максимальный размер в строках для буфера с логами. Когда буфер будет заполнен полностью, сбрасывает логи на диск.
Значение по умолчанию: 1048576.
- `reserved_size_rows` – преаллоцированный размер в строках для буфера с логами.
Значение по умолчанию: 8192.
- `buffer_size_bytes_flush_threshold` – количество линий в логе при достижении которого логи начнут скидываться на диск в неблокирующем режиме.
Значение по умолчанию: `max_size / 2`.
- `flush_on_crash` - должны ли логи быть сброшены на диск в случае неожиданной остановки программы.
Значение по умолчанию: false.
По умолчанию файл настроек сервера `config.xml` содержит следующие настройки:
@ -1339,9 +1410,84 @@ Parameters:
<table>trace_log</table>
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</trace_log>
```
## asynchronous_insert_log {#server_configuration_parameters-asynchronous_insert_log}
Настройки для asynchronous_insert_log Система для логирования ассинхронных вставок.
Параметры:
- `database` — имя базы данных;
- `table` — имя таблицы;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `max_size_rows` – максимальный размер в строках для буфера с логами. Когда буфер будет заполнен полностью, сбрасывает логи на диск.
Значение по умолчанию: 1048576.
- `reserved_size_rows` – преаллоцированный размер в строках для буфера с логами.
Значение по умолчанию: 8192.
- `buffer_size_bytes_flush_threshold` – количество линий в логе при достижении которого логи начнут скидываться на диск в неблокирующем режиме.
Значение по умолчанию: `max_size / 2`.
- `flush_on_crash` - должны ли логи быть сброшены на диск в случае неожиданной остановки программы.
Значение по умолчанию: false.
**Пример**
```xml
<clickhouse>
<asynchronous_insert_log>
<database>system</database>
<table>asynchronous_insert_log</table>
<flush_interval_milliseconds>7500</flush_interval_milliseconds>
<partition_by>toYYYYMM(event_date)</partition_by>
<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>
<!-- <engine>Engine = MergeTree PARTITION BY event_date ORDER BY event_time TTL event_date + INTERVAL 30 day</engine> -->
</asynchronous_insert_log>
</clickhouse>
```
## crash_log {#server_configuration_parameters-crash_log}
Настройки для таблицы [crash_log](../../operations/system-tables/crash-log.md).
Параметры:
- `database` — имя базы данных;
- `table` — имя таблицы;
- `partition_by` — устанавливает [произвольный ключ партиционирования](../../operations/server-configuration-parameters/settings.md). Нельзя использовать если используется `engine`
- `engine` - устанавливает [настройки MergeTree Engine](../../engines/table-engines/mergetree-family/mergetree.md#table_engine-mergetree-creating-a-table) для системной таблицы. Нельзя использовать если используется `partition_by`.
- `flush_interval_milliseconds` — период сброса данных из буфера в памяти в таблицу.
- `max_size_rows` – максимальный размер в строках для буфера с логами. Когда буфер будет заполнен полностью, сбрасывает логи на диск.
Значение по умолчанию: 1024.
- `reserved_size_rows` – преаллоцированный размер в строках для буфера с логами.
Значение по умолчанию: 1024.
- `buffer_size_bytes_flush_threshold` – количество линий в логе при достижении которого логи начнут скидываться на диск в неблокирующем режиме.
Значение по умолчанию: `max_size / 2`.
- `flush_on_crash` - должны ли логи быть сброшены на диск в случае неожиданной остановки программы.
Значение по умолчанию: true.
**Пример**
``` xml
<crash_log>
<database>system</database>
<table>crash_log</table>
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_interval_milliseconds>
<max_size_rows>1024</max_size_rows>
<reserved_size_rows>1024</reserved_size_rows>
<buffer_size_rows_flush_threshold>512</buffer_size_rows_flush_threshold>
<flush_on_crash>true</flush_on_crash>
</crash_log>
```
## query_masking_rules {#query-masking-rules}
Правила, основанные на регулярных выражениях, которые будут применены для всех запросов, а также для всех сообщений перед сохранением их в лог на сервере,

4
docs/ru/operations/system-tables/index.md
View File

@ -45,6 +45,10 @@ sidebar_label: "Системные таблицы"
<engine>ENGINE = MergeTree PARTITION BY toYYYYMM(event_date) ORDER BY (event_date, event_time) SETTINGS index_granularity = 1024</engine>
-->
<flush_interval_milliseconds>7500</flush_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>
</query_log>
</clickhouse>
```

52
docs/ru/sql-reference/functions/string-search-functions.md
View File

@ -801,3 +801,55 @@ SELECT countSubstringsCaseInsensitiveUTF8('аБв__АбВ__абв', 'Абв');
│ 3 │
└────────────────────────────────────────────────────────────┘
```
## hasSubsequence(haystack, needle) {#hasSubsequence}
Возвращает 1 если needle является подпоследовательностью haystack, иначе 0.
**Синтаксис**
``` sql
hasSubsequence(haystack, needle)
```
**Аргументы**
- `haystack` — строка, по которой выполняется поиск. [Строка](../syntax.md#syntax-string-literal).
- `needle` — подпоследовательность, которую необходимо найти. [Строка](../syntax.md#syntax-string-literal).
**Возвращаемые значения**
- 1, если
- 0, если подстрока не найдена.
Тип: `UInt8`.
**Примеры**
Запрос:
``` sql
SELECT hasSubsequence('garbage', 'arg') ;
```
Результат:
``` text
┌─hasSubsequence('garbage', 'arg')─┐
│ 1 │
└──────────────────────────────────┘
```
## hasSubsequenceCaseInsensitive
Такая же, как и [hasSubsequence](#hasSubsequence), но работает без учета регистра.
## hasSubsequenceUTF8
Такая же, как и [hasSubsequence](#hasSubsequence) при допущении что `haystack` и `needle` содержат набор кодовых точек, представляющий текст в кодировке UTF-8.
## hasSubsequenceCaseInsensitiveUTF8
Такая же, как и [hasSubsequenceUTF8](#hasSubsequenceUTF8), но работает без учета регистра.

2
docs/ru/sql-reference/statements/alter/column.md
View File

@ -182,7 +182,7 @@ ALTER TABLE visits MODIFY COLUMN browser Array(String)
Синтаксис:
```sql
ALTER TABLE table_name MODIFY column_name REMOVE property;
ALTER TABLE table_name MODIFY COLUMN column_name REMOVE property;
```
**Пример**

18
docs/zh/interfaces/http.md
View File

@ -53,7 +53,7 @@ Connection: Close
Content-Type: text/tab-separated-values; charset=UTF-8
X-ClickHouse-Server-Display-Name: clickhouse.ru-central1.internal
X-ClickHouse-Query-Id: 5abe861c-239c-467f-b955-8a201abb8b7f
X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
1
```
@ -262,9 +262,9 @@ $ echo 'SELECT number FROM system.numbers LIMIT 10' | curl 'http://localhost:812
您可以在`X-ClickHouse-Progress`响应头中收到查询进度的信息。为此，启用[Http Header携带进度](../operations/settings/settings.md#settings-send_progress_in_http_headers)。示例：
``` text
X-ClickHouse-Progress: {"read_rows":"2752512","read_bytes":"240570816","total_rows_to_read":"8880128"}
X-ClickHouse-Progress: {"read_rows":"5439488","read_bytes":"482285394","total_rows_to_read":"8880128"}
X-ClickHouse-Progress: {"read_rows":"8783786","read_bytes":"819092887","total_rows_to_read":"8880128"}
X-ClickHouse-Progress: {"read_rows":"2752512","read_bytes":"240570816","total_rows_to_read":"8880128","peak_memory_usage":"4371480"}
X-ClickHouse-Progress: {"read_rows":"5439488","read_bytes":"482285394","total_rows_to_read":"8880128","peak_memory_usage":"13621616"}
X-ClickHouse-Progress: {"read_rows":"8783786","read_bytes":"819092887","total_rows_to_read":"8880128","peak_memory_usage":"23155600"}
```
显示字段信息:
@ -363,7 +363,7 @@ $ curl -v 'http://localhost:8123/predefined_query'
< X-ClickHouse-Format: Template
< X-ClickHouse-Timezone: Asia/Shanghai
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
# HELP "Query" "Number of executing queries"
# TYPE "Query" counter
@ -521,7 +521,7 @@ $ curl -vv -H 'XXX:xxx' 'http://localhost:8123/hi'
< Content-Type: text/html; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
* Connection #0 to host localhost left intact
Say Hi!%
@ -561,7 +561,7 @@ $ curl -v -H 'XXX:xxx' 'http://localhost:8123/get_config_static_handler'
< Content-Type: text/plain; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
* Connection #0 to host localhost left intact
<html ng-app="SMI2"><head><base href="http://ui.tabix.io/"></head><body><div ui-view="" class="content-ui"></div><script src="http://loader.tabix.io/master.js"></script></body></html>%
@ -613,7 +613,7 @@ $ curl -vv -H 'XXX:xxx' 'http://localhost:8123/get_absolute_path_static_handler'
< Content-Type: text/html; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
<html><body>Absolute Path File</body></html>
* Connection #0 to host localhost left intact
@ -632,7 +632,7 @@ $ curl -vv -H 'XXX:xxx' 'http://localhost:8123/get_relative_path_static_handler'
< Content-Type: text/html; charset=UTF-8
< Transfer-Encoding: chunked
< Keep-Alive: timeout=3
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0"}
< X-ClickHouse-Summary: {"read_rows":"0","read_bytes":"0","written_rows":"0","written_bytes":"0","total_rows_to_read":"0","peak_memory_usage":"0"}
<
<html><body>Relative Path File</body></html>
* Connection #0 to host localhost left intact

5
programs/client/Client.cpp
View File

@ -812,6 +812,11 @@ bool Client::processWithFuzzing(const String & full_query)
}
catch (...)
{
if (!ast_to_process)
fmt::print(stderr,
"Error while forming new query: {}\n",
getCurrentExceptionMessage(true));
// Some functions (e.g. protocol parsers) don't throw, but
// set last_exception instead, so we'll also do it here for
// uniformity.

15
programs/install/Install.cpp
View File

@ -20,10 +20,7 @@
#include <Common/formatReadable.h>
#include <Common/Config/ConfigProcessor.h>
#include <Common/OpenSSLHelpers.h>
#include <base/hex.h>
#include <Common/getResource.h>
#include <base/sleep.h>
#include <IO/ReadBufferFromFileDescriptor.h>
#include <IO/WriteBufferFromFileDescriptor.h>
#include <IO/ReadBufferFromFile.h>
#include <IO/WriteBufferFromFile.h>
@ -35,6 +32,14 @@
#include <Poco/Util/XMLConfiguration.h>
#include <incbin.h>
#include "config.h"
/// Embedded configuration files used inside the install program
INCBIN(resource_config_xml, SOURCE_DIR "/programs/server/config.xml");
INCBIN(resource_users_xml, SOURCE_DIR "/programs/server/users.xml");
/** This tool can be used to install ClickHouse without a deb/rpm/tgz package, having only "clickhouse" binary.
* It also allows to avoid dependency on systemd, upstart, SysV init.
@ -560,7 +565,7 @@ int mainEntryClickHouseInstall(int argc, char ** argv)
if (!fs::exists(main_config_file))
{
std::string_view main_config_content = getResource("config.xml");
std::string_view main_config_content(reinterpret_cast<const char *>(gresource_config_xmlData), gresource_config_xmlSize);
if (main_config_content.empty())
{
fmt::print("There is no default config.xml, you have to download it and place to {}.\n", main_config_file.string());
@ -672,7 +677,7 @@ int mainEntryClickHouseInstall(int argc, char ** argv)
if (!fs::exists(users_config_file))
{
std::string_view users_config_content = getResource("users.xml");
std::string_view users_config_content(reinterpret_cast<const char *>(gresource_users_xmlData), gresource_users_xmlSize);
if (users_config_content.empty())
{
fmt::print("There is no default users.xml, you have to download it and place to {}.\n", users_config_file.string());

17
programs/keeper/CMakeLists.txt
View File

@ -1,16 +1,3 @@
include(${ClickHouse_SOURCE_DIR}/cmake/embed_binary.cmake)
if (OS_LINUX)
set (LINK_RESOURCE_LIB INTERFACE "-Wl,${WHOLE_ARCHIVE} $<TARGET_FILE:clickhouse_keeper_configs> -Wl,${NO_WHOLE_ARCHIVE}")
# for some reason INTERFACE linkage doesn't work for standalone binary
set (LINK_RESOURCE_LIB_STANDALONE_KEEPER "-Wl,${WHOLE_ARCHIVE} $<TARGET_FILE:clickhouse_keeper_configs> -Wl,${NO_WHOLE_ARCHIVE}")
endif ()
clickhouse_embed_binaries(
TARGET clickhouse_keeper_configs
RESOURCES keeper_config.xml keeper_embedded.xml
)
set(CLICKHOUSE_KEEPER_SOURCES
Keeper.cpp
)
@ -29,7 +16,6 @@ set (CLICKHOUSE_KEEPER_LINK
clickhouse_program_add(keeper)
install(FILES keeper_config.xml DESTINATION "${CLICKHOUSE_ETC_DIR}/clickhouse-keeper" COMPONENT clickhouse-keeper)
add_dependencies(clickhouse-keeper-lib clickhouse_keeper_configs)
if (BUILD_STANDALONE_KEEPER)
# Straight list of all required sources
@ -79,6 +65,7 @@ if (BUILD_STANDALONE_KEEPER)
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Server/PrometheusRequestHandler.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Server/PrometheusMetricsWriter.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Server/waitServersToFinish.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Server/ServerType.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Server/HTTPRequestHandlerFactoryMain.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Server/HTTP/HTTPServer.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Server/HTTP/ReadHeaders.cpp
@ -94,6 +81,7 @@ if (BUILD_STANDALONE_KEEPER)
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Compression/CompressedReadBuffer.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Compression/CompressedReadBufferFromFile.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Compression/CompressedWriteBuffer.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Compression/CompressionCodecEncrypted.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Compression/CompressionCodecLZ4.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Compression/CompressionCodecMultiple.cpp
${CMAKE_CURRENT_SOURCE_DIR}/../../src/Compression/CompressionCodecNone.cpp
@ -215,7 +203,6 @@ if (BUILD_STANDALONE_KEEPER)
${LINK_RESOURCE_LIB_STANDALONE_KEEPER}
)
add_dependencies(clickhouse-keeper clickhouse_keeper_configs)
set_target_properties(clickhouse-keeper PROPERTIES RUNTIME_OUTPUT_DIRECTORY ../)
if (SPLIT_DEBUG_SYMBOLS)

6
programs/keeper/Keeper.cpp
View File

@ -457,8 +457,10 @@ try
const std::string key_path = config().getString("openSSL.server.privateKeyFile", "");
std::vector<std::string> extra_paths = {include_from_path};
if (!cert_path.empty()) extra_paths.emplace_back(cert_path);
if (!key_path.empty()) extra_paths.emplace_back(key_path);
if (!cert_path.empty())
extra_paths.emplace_back(cert_path);
if (!key_path.empty())
extra_paths.emplace_back(key_path);
/// ConfigReloader have to strict parameters which are redundant in our case
auto main_config_reloader = std::make_unique<ConfigReloader>(

4
programs/library-bridge/CMakeLists.txt
View File

@ -13,10 +13,6 @@ set (CLICKHOUSE_LIBRARY_BRIDGE_SOURCES
library-bridge.cpp
)
if (OS_LINUX)
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-export-dynamic")
endif ()
clickhouse_add_executable(clickhouse-library-bridge ${CLICKHOUSE_LIBRARY_BRIDGE_SOURCES})
target_link_libraries(clickhouse-library-bridge PRIVATE

19
programs/local/LocalServer.cpp
View File

@ -266,6 +266,10 @@ void LocalServer::tryInitPath()
global_context->setUserFilesPath(""); // user's files are everywhere
std::string user_scripts_path = config().getString("user_scripts_path", fs::path(path) / "user_scripts/");
global_context->setUserScriptsPath(user_scripts_path);
fs::create_directories(user_scripts_path);
/// top_level_domains_lists
const std::string & top_level_domains_path = config().getString("top_level_domains_path", path + "top_level_domains/");
if (!top_level_domains_path.empty())
@ -490,6 +494,17 @@ try
applyCmdSettings(global_context);
/// try to load user defined executable functions, throw on error and die
try
{
global_context->loadOrReloadUserDefinedExecutableFunctions(config());
}
catch (...)
{
tryLogCurrentException(&logger(), "Caught exception while loading user defined executable functions.");
throw;
}
if (is_interactive)
{
clearTerminal();
@ -569,7 +584,9 @@ void LocalServer::processConfig()
}
print_stack_trace = config().getBool("stacktrace", false);
load_suggestions = (is_interactive || delayed_interactive) && !config().getBool("disable_suggestion", false);
const std::string clickhouse_dialect{"clickhouse"};
load_suggestions = (is_interactive || delayed_interactive) && !config().getBool("disable_suggestion", false)
&& config().getString("dialect", clickhouse_dialect) == clickhouse_dialect;
auto logging = (config().has("logger.console")
|| config().has("logger.level")

6
programs/odbc-bridge/CMakeLists.txt
View File

@ -15,12 +15,6 @@ set (CLICKHOUSE_ODBC_BRIDGE_SOURCES
validateODBCConnectionString.cpp
)
if (OS_LINUX)
# clickhouse-odbc-bridge is always a separate binary.
# Reason: it must not export symbols from SSL, mariadb-client, etc. to not break ABI compatibility with ODBC drivers.
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-export-dynamic")
endif ()
clickhouse_add_executable(clickhouse-odbc-bridge ${CLICKHOUSE_ODBC_BRIDGE_SOURCES})
target_link_libraries(clickhouse-odbc-bridge PRIVATE

10
programs/server/CMakeLists.txt
View File

@ -1,12 +1,8 @@
include(${ClickHouse_SOURCE_DIR}/cmake/embed_binary.cmake)
set(CLICKHOUSE_SERVER_SOURCES
MetricsTransmitter.cpp
Server.cpp
)
set (LINK_RESOURCE_LIB INTERFACE "-Wl,${WHOLE_ARCHIVE} $<TARGET_FILE:clickhouse_server_configs> -Wl,${NO_WHOLE_ARCHIVE}")
set (CLICKHOUSE_SERVER_LINK
PRIVATE
clickhouse_aggregate_functions
@ -34,9 +30,3 @@ endif()
clickhouse_program_add(server)
install(FILES config.xml users.xml DESTINATION "${CLICKHOUSE_ETC_DIR}/clickhouse-server" COMPONENT clickhouse)
clickhouse_embed_binaries(
TARGET clickhouse_server_configs
RESOURCES config.xml users.xml embedded.xml play.html dashboard.html js/uplot.js
)
add_dependencies(clickhouse-server-lib clickhouse_server_configs)

560
programs/server/Server.cpp
View File

@ -128,6 +128,10 @@
# include <azure/storage/common/internal/xml_wrapper.hpp>
#endif
#include <incbin.h>
/// A minimal file used when the server is run without installation
INCBIN(resource_embedded_xml, SOURCE_DIR "/programs/server/embedded.xml");
namespace CurrentMetrics
{
extern const Metric Revision;
@ -393,6 +397,7 @@ int Server::run()
void Server::initialize(Poco::Util::Application & self)
{
ConfigProcessor::registerEmbeddedConfig("config.xml", std::string_view(reinterpret_cast<const char *>(gresource_embedded_xmlData), gresource_embedded_xmlSize));
BaseDaemon::initialize(self);
logger().information("starting up");
@ -739,11 +744,13 @@ try
[&]() -> std::vector<ProtocolServerMetrics>
{
std::vector<ProtocolServerMetrics> metrics;
metrics.reserve(servers_to_start_before_tables.size());
std::lock_guard lock(servers_lock);
metrics.reserve(servers_to_start_before_tables.size() + servers.size());
for (const auto & server : servers_to_start_before_tables)
metrics.emplace_back(ProtocolServerMetrics{server.getPortName(), server.currentThreads()});
std::lock_guard lock(servers_lock);
for (const auto & server : servers)
metrics.emplace_back(ProtocolServerMetrics{server.getPortName(), server.currentThreads()});
return metrics;
@ -1028,6 +1035,11 @@ try
/// Initialize merge tree metadata cache
if (config().has("merge_tree_metadata_cache"))
{
global_context->addWarningMessage("The setting 'merge_tree_metadata_cache' is enabled."
" But the feature of 'metadata cache in RocksDB' is experimental and is not ready for production."
" The usage of this feature can lead to data corruption and loss. The setting should be disabled in production."
" See the corresponding report at https://github.com/ClickHouse/ClickHouse/issues/51182");
fs::create_directories(path / "rocksdb/");
size_t size = config().getUInt64("merge_tree_metadata_cache.lru_cache_size", 256 << 20);
bool continue_if_corrupted = config().getBool("merge_tree_metadata_cache.continue_if_corrupted", false);
@ -1105,8 +1117,10 @@ try
const std::string key_path = config().getString("openSSL.server.privateKeyFile", "");
std::vector<std::string> extra_paths = {include_from_path};
if (!cert_path.empty()) extra_paths.emplace_back(cert_path);
if (!key_path.empty()) extra_paths.emplace_back(key_path);
if (!cert_path.empty())
extra_paths.emplace_back(cert_path);
if (!key_path.empty())
extra_paths.emplace_back(key_path);
auto main_config_reloader = std::make_unique<ConfigReloader>(
config_path,
@ -1304,7 +1318,7 @@ try
global_context->reloadAuxiliaryZooKeepersConfigIfChanged(config);
std::lock_guard lock(servers_lock);
updateServers(*config, server_pool, async_metrics, servers);
updateServers(*config, server_pool, async_metrics, servers, servers_to_start_before_tables);
}
global_context->updateStorageConfiguration(*config);
@ -1406,10 +1420,27 @@ try
}
for (auto & server : servers_to_start_before_tables)
{
server.start();
LOG_INFO(log, "Listening for {}", server.getDescription());
std::lock_guard lock(servers_lock);
/// We should start interserver communications before (and more imporant shutdown after) tables.
/// Because server can wait for a long-running queries (for example in tcp_handler) after interserver handler was already shut down.
/// In this case we will have replicated tables which are unable to send any parts to other replicas, but still can
/// communicate with zookeeper, execute merges, etc.
createInterserverServers(
config(),
interserver_listen_hosts,
listen_try,
server_pool,
async_metrics,
servers_to_start_before_tables,
/* start_servers= */ false);
for (auto & server : servers_to_start_before_tables)
{
server.start();
LOG_INFO(log, "Listening for {}", server.getDescription());
}
}
/// Initialize access storages.
@ -1431,6 +1462,24 @@ try
access_control.reload(AccessControl::ReloadMode::USERS_CONFIG_ONLY);
});
global_context->setStopServersCallback([&](const ServerType & server_type)
{
stopServers(servers, server_type);
});
global_context->setStartServersCallback([&](const ServerType & server_type)
{
createServers(
config(),
listen_hosts,
listen_try,
server_pool,
async_metrics,
servers,
/* start_servers= */ true,
server_type);
});
/// Limit on total number of concurrently executed queries.
global_context->getProcessList().setMaxSize(server_settings.max_concurrent_queries);
@ -1451,16 +1500,18 @@ try
/// Load global settings from default_profile and system_profile.
global_context->setDefaultProfiles(config());
const Settings & settings = global_context->getSettingsRef();
/// Initialize background executors after we load default_profile config.
/// This is needed to load proper values of background_pool_size etc.
global_context->initializeBackgroundExecutorsIfNeeded();
if (settings.async_insert_threads)
if (server_settings.async_insert_threads)
{
global_context->setAsynchronousInsertQueue(std::make_shared<AsynchronousInsertQueue>(
global_context,
settings.async_insert_threads));
server_settings.async_insert_threads,
server_settings.async_insert_queue_flush_on_shutdown));
}
size_t mark_cache_size = server_settings.mark_cache_size;
String mark_cache_policy = server_settings.mark_cache_policy;
@ -1529,10 +1580,13 @@ try
{
LOG_DEBUG(log, "Waiting for current connections to servers for tables to finish.");
size_t current_connections = 0;
for (auto & server : servers_to_start_before_tables)
{
server.stop();
current_connections += server.currentConnections();
std::lock_guard lock(servers_lock);
for (auto & server : servers_to_start_before_tables)
{
server.stop();
current_connections += server.currentConnections();
}
}
if (current_connections)
@ -1705,7 +1759,7 @@ try
{
std::lock_guard lock(servers_lock);
createServers(config(), listen_hosts, interserver_listen_hosts, listen_try, server_pool, async_metrics, servers);
createServers(config(), listen_hosts, listen_try, server_pool, async_metrics, servers);
if (servers.empty())
throw Exception(ErrorCodes::NO_ELEMENTS_IN_CONFIG,
"No servers started (add valid listen_host and 'tcp_port' or 'http_port' "
@ -1963,12 +2017,12 @@ HTTPContextPtr Server::httpContext() const
void Server::createServers(
Poco::Util::AbstractConfiguration & config,
const Strings & listen_hosts,
const Strings & interserver_listen_hosts,
bool listen_try,
Poco::ThreadPool & server_pool,
AsynchronousMetrics & async_metrics,
std::vector<ProtocolServerAdapter> & servers,
bool start_servers)
bool start_servers,
const ServerType & server_type)
{
const Settings & settings = global_context->getSettingsRef();
@ -1982,6 +2036,9 @@ void Server::createServers(
for (const auto & protocol : protocols)
{
if (!server_type.shouldStart(ServerType::Type::CUSTOM, protocol))
continue;
std::vector<std::string> hosts;
if (config.has("protocols." + protocol + ".host"))
hosts.push_back(config.getString("protocols." + protocol + ".host"));
@ -2028,219 +2085,310 @@ void Server::createServers(
for (const auto & listen_host : listen_hosts)
{
/// HTTP
const char * port_name = "http_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port);
socket.setReceiveTimeout(settings.http_receive_timeout);
socket.setSendTimeout(settings.http_send_timeout);
const char * port_name;
return ProtocolServerAdapter(
listen_host,
port_name,
"http://" + address.toString(),
std::make_unique<HTTPServer>(
httpContext(), createHandlerFactory(*this, config, async_metrics, "HTTPHandler-factory"), server_pool, socket, http_params));
});
/// HTTPS
port_name = "https_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
if (server_type.shouldStart(ServerType::Type::HTTP))
{
/// HTTP
port_name = "http_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port);
socket.setReceiveTimeout(settings.http_receive_timeout);
socket.setSendTimeout(settings.http_send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"http://" + address.toString(),
std::make_unique<HTTPServer>(
httpContext(), createHandlerFactory(*this, config, async_metrics, "HTTPHandler-factory"), server_pool, socket, http_params));
});
}
if (server_type.shouldStart(ServerType::Type::HTTPS))
{
/// HTTPS
port_name = "https_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
#if USE_SSL
Poco::Net::SecureServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port, /* secure = */ true);
socket.setReceiveTimeout(settings.http_receive_timeout);
socket.setSendTimeout(settings.http_send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"https://" + address.toString(),
std::make_unique<HTTPServer>(
httpContext(), createHandlerFactory(*this, config, async_metrics, "HTTPSHandler-factory"), server_pool, socket, http_params));
Poco::Net::SecureServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port, /* secure = */ true);
socket.setReceiveTimeout(settings.http_receive_timeout);
socket.setSendTimeout(settings.http_send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"https://" + address.toString(),
std::make_unique<HTTPServer>(
httpContext(), createHandlerFactory(*this, config, async_metrics, "HTTPSHandler-factory"), server_pool, socket, http_params));
#else
UNUSED(port);
throw Exception(ErrorCodes::SUPPORT_IS_DISABLED, "HTTPS protocol is disabled because Poco library was built without NetSSL support.");
UNUSED(port);
throw Exception(ErrorCodes::SUPPORT_IS_DISABLED, "HTTPS protocol is disabled because Poco library was built without NetSSL support.");
#endif
});
});
}
/// TCP
port_name = "tcp_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
if (server_type.shouldStart(ServerType::Type::TCP))
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port);
socket.setReceiveTimeout(settings.receive_timeout);
socket.setSendTimeout(settings.send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"native protocol (tcp): " + address.toString(),
std::make_unique<TCPServer>(
new TCPHandlerFactory(*this, /* secure */ false, /* proxy protocol */ false),
server_pool,
socket,
new Poco::Net::TCPServerParams));
});
/// TCP
port_name = "tcp_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port);
socket.setReceiveTimeout(settings.receive_timeout);
socket.setSendTimeout(settings.send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"native protocol (tcp): " + address.toString(),
std::make_unique<TCPServer>(
new TCPHandlerFactory(*this, /* secure */ false, /* proxy protocol */ false),
server_pool,
socket,
new Poco::Net::TCPServerParams));
});
}
/// TCP with PROXY protocol, see https://github.com/wolfeidau/proxyv2/blob/master/docs/proxy-protocol.txt
port_name = "tcp_with_proxy_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
if (server_type.shouldStart(ServerType::Type::TCP_WITH_PROXY))
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port);
socket.setReceiveTimeout(settings.receive_timeout);
socket.setSendTimeout(settings.send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"native protocol (tcp) with PROXY: " + address.toString(),
std::make_unique<TCPServer>(
new TCPHandlerFactory(*this, /* secure */ false, /* proxy protocol */ true),
server_pool,
socket,
new Poco::Net::TCPServerParams));
});
/// TCP with PROXY protocol, see https://github.com/wolfeidau/proxyv2/blob/master/docs/proxy-protocol.txt
port_name = "tcp_with_proxy_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port);
socket.setReceiveTimeout(settings.receive_timeout);
socket.setSendTimeout(settings.send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"native protocol (tcp) with PROXY: " + address.toString(),
std::make_unique<TCPServer>(
new TCPHandlerFactory(*this, /* secure */ false, /* proxy protocol */ true),
server_pool,
socket,
new Poco::Net::TCPServerParams));
});
}
/// TCP with SSL
port_name = "tcp_port_secure";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
if (server_type.shouldStart(ServerType::Type::TCP_SECURE))
{
#if USE_SSL
Poco::Net::SecureServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port, /* secure = */ true);
socket.setReceiveTimeout(settings.receive_timeout);
socket.setSendTimeout(settings.send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"secure native protocol (tcp_secure): " + address.toString(),
std::make_unique<TCPServer>(
new TCPHandlerFactory(*this, /* secure */ true, /* proxy protocol */ false),
server_pool,
socket,
new Poco::Net::TCPServerParams));
#else
UNUSED(port);
throw Exception(ErrorCodes::SUPPORT_IS_DISABLED, "SSL support for TCP protocol is disabled because Poco library was built without NetSSL support.");
#endif
});
/// TCP with SSL
port_name = "tcp_port_secure";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
#if USE_SSL
Poco::Net::SecureServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port, /* secure = */ true);
socket.setReceiveTimeout(settings.receive_timeout);
socket.setSendTimeout(settings.send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"secure native protocol (tcp_secure): " + address.toString(),
std::make_unique<TCPServer>(
new TCPHandlerFactory(*this, /* secure */ true, /* proxy protocol */ false),
server_pool,
socket,
new Poco::Net::TCPServerParams));
#else
UNUSED(port);
throw Exception(ErrorCodes::SUPPORT_IS_DISABLED, "SSL support for TCP protocol is disabled because Poco library was built without NetSSL support.");
#endif
});
}
port_name = "mysql_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
if (server_type.shouldStart(ServerType::Type::MYSQL))
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port, /* secure = */ true);
socket.setReceiveTimeout(Poco::Timespan());
socket.setSendTimeout(settings.send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"MySQL compatibility protocol: " + address.toString(),
std::make_unique<TCPServer>(new MySQLHandlerFactory(*this), server_pool, socket, new Poco::Net::TCPServerParams));
});
port_name = "mysql_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port, /* secure = */ true);
socket.setReceiveTimeout(Poco::Timespan());
socket.setSendTimeout(settings.send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"MySQL compatibility protocol: " + address.toString(),
std::make_unique<TCPServer>(new MySQLHandlerFactory(*this), server_pool, socket, new Poco::Net::TCPServerParams));
});
}
port_name = "postgresql_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
if (server_type.shouldStart(ServerType::Type::POSTGRESQL))
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port, /* secure = */ true);
socket.setReceiveTimeout(Poco::Timespan());
socket.setSendTimeout(settings.send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"PostgreSQL compatibility protocol: " + address.toString(),
std::make_unique<TCPServer>(new PostgreSQLHandlerFactory(*this), server_pool, socket, new Poco::Net::TCPServerParams));
});
port_name = "postgresql_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port, /* secure = */ true);
socket.setReceiveTimeout(Poco::Timespan());
socket.setSendTimeout(settings.send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"PostgreSQL compatibility protocol: " + address.toString(),
std::make_unique<TCPServer>(new PostgreSQLHandlerFactory(*this), server_pool, socket, new Poco::Net::TCPServerParams));
});
}
#if USE_GRPC
port_name = "grpc_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
if (server_type.shouldStart(ServerType::Type::GRPC))
{
Poco::Net::SocketAddress server_address(listen_host, port);
return ProtocolServerAdapter(
listen_host,
port_name,
"gRPC protocol: " + server_address.toString(),
std::make_unique<GRPCServer>(*this, makeSocketAddress(listen_host, port, &logger())));
});
port_name = "grpc_port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
Poco::Net::SocketAddress server_address(listen_host, port);
return ProtocolServerAdapter(
listen_host,
port_name,
"gRPC protocol: " + server_address.toString(),
std::make_unique<GRPCServer>(*this, makeSocketAddress(listen_host, port, &logger())));
});
}
#endif
/// Prometheus (if defined and not setup yet with http_port)
port_name = "prometheus.port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
if (server_type.shouldStart(ServerType::Type::PROMETHEUS))
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port);
socket.setReceiveTimeout(settings.http_receive_timeout);
socket.setSendTimeout(settings.http_send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"Prometheus: http://" + address.toString(),
std::make_unique<HTTPServer>(
httpContext(), createHandlerFactory(*this, config, async_metrics, "PrometheusHandler-factory"), server_pool, socket, http_params));
});
/// Prometheus (if defined and not setup yet with http_port)
port_name = "prometheus.port";
createServer(config, listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, listen_host, port);
socket.setReceiveTimeout(settings.http_receive_timeout);
socket.setSendTimeout(settings.http_send_timeout);
return ProtocolServerAdapter(
listen_host,
port_name,
"Prometheus: http://" + address.toString(),
std::make_unique<HTTPServer>(
httpContext(), createHandlerFactory(*this, config, async_metrics, "PrometheusHandler-factory"), server_pool, socket, http_params));
});
}
}
}
void Server::createInterserverServers(
Poco::Util::AbstractConfiguration & config,
const Strings & interserver_listen_hosts,
bool listen_try,
Poco::ThreadPool & server_pool,
AsynchronousMetrics & async_metrics,
std::vector<ProtocolServerAdapter> & servers,
bool start_servers,
const ServerType & server_type)
{
const Settings & settings = global_context->getSettingsRef();
Poco::Timespan keep_alive_timeout(config.getUInt("keep_alive_timeout", 10), 0);
Poco::Net::HTTPServerParams::Ptr http_params = new Poco::Net::HTTPServerParams;
http_params->setTimeout(settings.http_receive_timeout);
http_params->setKeepAliveTimeout(keep_alive_timeout);
/// Now iterate over interserver_listen_hosts
for (const auto & interserver_listen_host : interserver_listen_hosts)
{
/// Interserver IO HTTP
const char * port_name = "interserver_http_port";
createServer(config, interserver_listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, interserver_listen_host, port);
socket.setReceiveTimeout(settings.http_receive_timeout);
socket.setSendTimeout(settings.http_send_timeout);
return ProtocolServerAdapter(
interserver_listen_host,
port_name,
"replica communication (interserver): http://" + address.toString(),
std::make_unique<HTTPServer>(
httpContext(),
createHandlerFactory(*this, config, async_metrics, "InterserverIOHTTPHandler-factory"),
server_pool,
socket,
http_params));
});
const char * port_name;
port_name = "interserver_https_port";
createServer(config, interserver_listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
if (server_type.shouldStart(ServerType::Type::INTERSERVER_HTTP))
{
/// Interserver IO HTTP
port_name = "interserver_http_port";
createServer(config, interserver_listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
Poco::Net::ServerSocket socket;
auto address = socketBindListen(config, socket, interserver_listen_host, port);
socket.setReceiveTimeout(settings.http_receive_timeout);
socket.setSendTimeout(settings.http_send_timeout);
return ProtocolServerAdapter(
interserver_listen_host,
port_name,
"replica communication (interserver): http://" + address.toString(),
std::make_unique<HTTPServer>(
httpContext(),
createHandlerFactory(*this, config, async_metrics, "InterserverIOHTTPHandler-factory"),
server_pool,
socket,
http_params));
});
}
if (server_type.shouldStart(ServerType::Type::INTERSERVER_HTTPS))
{
port_name = "interserver_https_port";
createServer(config, interserver_listen_host, port_name, listen_try, start_servers, servers, [&](UInt16 port) -> ProtocolServerAdapter
{
#if USE_SSL
Poco::Net::SecureServerSocket socket;
auto address = socketBindListen(config, socket, interserver_listen_host, port, /* secure = */ true);
socket.setReceiveTimeout(settings.http_receive_timeout);
socket.setSendTimeout(settings.http_send_timeout);
return ProtocolServerAdapter(
interserver_listen_host,
port_name,
"secure replica communication (interserver): https://" + address.toString(),
std::make_unique<HTTPServer>(
httpContext(),
createHandlerFactory(*this, config, async_metrics, "InterserverIOHTTPSHandler-factory"),
server_pool,
socket,
http_params));
Poco::Net::SecureServerSocket socket;
auto address = socketBindListen(config, socket, interserver_listen_host, port, /* secure = */ true);
socket.setReceiveTimeout(settings.http_receive_timeout);
socket.setSendTimeout(settings.http_send_timeout);
return ProtocolServerAdapter(
interserver_listen_host,
port_name,
"secure replica communication (interserver): https://" + address.toString(),
std::make_unique<HTTPServer>(
httpContext(),
createHandlerFactory(*this, config, async_metrics, "InterserverIOHTTPSHandler-factory"),
server_pool,
socket,
http_params));
#else
UNUSED(port);
throw Exception(ErrorCodes::SUPPORT_IS_DISABLED, "SSL support for TCP protocol is disabled because Poco library was built without NetSSL support.");
UNUSED(port);
throw Exception(ErrorCodes::SUPPORT_IS_DISABLED, "SSL support for TCP protocol is disabled because Poco library was built without NetSSL support.");
#endif
});
});
}
}
}
void Server::stopServers(
std::vector<ProtocolServerAdapter> & servers,
const ServerType & server_type
) const
{
Poco::Logger * log = &logger();
/// Remove servers once all their connections are closed
auto check_server = [&log](const char prefix[], auto & server)
{
if (!server.isStopping())
return false;
size_t current_connections = server.currentConnections();
LOG_DEBUG(log, "Server {}{}: {} ({} connections)",
server.getDescription(),
prefix,
!current_connections ? "finished" : "waiting",
current_connections);
return !current_connections;
};
std::erase_if(servers, std::bind_front(check_server, " (from one of previous remove)"));
for (auto & server : servers)
{
if (!server.isStopping())
{
const std::string server_port_name = server.getPortName();
if (server_type.shouldStop(server_port_name))
server.stop();
}
}
std::erase_if(servers, std::bind_front(check_server, ""));
}
void Server::updateServers(
Poco::Util::AbstractConfiguration & config,
Poco::ThreadPool & server_pool,
AsynchronousMetrics & async_metrics,
std::vector<ProtocolServerAdapter> & servers)
std::vector<ProtocolServerAdapter> & servers,
std::vector<ProtocolServerAdapter> & servers_to_start_before_tables)
{
Poco::Logger * log = &logger();
@ -2266,11 +2414,19 @@ void Server::updateServers(
Poco::Util::AbstractConfiguration & previous_config = latest_config ? *latest_config : this->config();
std::vector<ProtocolServerAdapter *> all_servers;
all_servers.reserve(servers.size() + servers_to_start_before_tables.size());
for (auto & server : servers)
all_servers.push_back(&server);
for (auto & server : servers_to_start_before_tables)
all_servers.push_back(&server);
for (auto * server : all_servers)
{
if (!server.isStopping())
if (!server->isStopping())
{
std::string port_name = server.getPortName();
std::string port_name = server->getPortName();
bool has_host = false;
bool is_http = false;
if (port_name.starts_with("protocols."))
@ -2308,27 +2464,29 @@ void Server::updateServers(
/// NOTE: better to compare using getPortName() over using
/// dynamic_cast<> since HTTPServer is also used for prometheus and
/// internal replication communications.
is_http = server.getPortName() == "http_port" || server.getPortName() == "https_port";
is_http = server->getPortName() == "http_port" || server->getPortName() == "https_port";
}
if (!has_host)
has_host = std::find(listen_hosts.begin(), listen_hosts.end(), server.getListenHost()) != listen_hosts.end();
has_host = std::find(listen_hosts.begin(), listen_hosts.end(), server->getListenHost()) != listen_hosts.end();
bool has_port = !config.getString(port_name, "").empty();
bool force_restart = is_http && !isSameConfiguration(previous_config, config, "http_handlers");
if (force_restart)
LOG_TRACE(log, "<http_handlers> had been changed, will reload {}", server.getDescription());
LOG_TRACE(log, "<http_handlers> had been changed, will reload {}", server->getDescription());
if (!has_host || !has_port || config.getInt(server.getPortName()) != server.portNumber() || force_restart)
if (!has_host || !has_port || config.getInt(server->getPortName()) != server->portNumber() || force_restart)
{
server.stop();
LOG_INFO(log, "Stopped listening for {}", server.getDescription());
server->stop();
LOG_INFO(log, "Stopped listening for {}", server->getDescription());
}
}
}
createServers(config, listen_hosts, interserver_listen_hosts, listen_try, server_pool, async_metrics, servers, /* start_servers= */ true);
createServers(config, listen_hosts, listen_try, server_pool, async_metrics, servers, /* start_servers= */ true);
createInterserverServers(config, interserver_listen_hosts, listen_try, server_pool, async_metrics, servers_to_start_before_tables, /* start_servers= */ true);
std::erase_if(servers, std::bind_front(check_server, ""));
std::erase_if(servers_to_start_before_tables, std::bind_front(check_server, ""));
}
}

23
programs/server/Server.h
View File

@ -3,8 +3,9 @@
#include <Server/IServer.h>
#include <Daemon/BaseDaemon.h>
#include "Server/HTTP/HTTPContext.h"
#include <Server/HTTP/HTTPContext.h>
#include <Server/TCPProtocolStackFactory.h>
#include <Server/ServerType.h>
#include <Poco/Net/HTTPServerParams.h>
/** Server provides three interfaces:
@ -102,18 +103,34 @@ private:
void createServers(
Poco::Util::AbstractConfiguration & config,
const Strings & listen_hosts,
bool listen_try,
Poco::ThreadPool & server_pool,
AsynchronousMetrics & async_metrics,
std::vector<ProtocolServerAdapter> & servers,
bool start_servers = false,
const ServerType & server_type = ServerType(ServerType::Type::QUERIES_ALL));
void createInterserverServers(
Poco::Util::AbstractConfiguration & config,
const Strings & interserver_listen_hosts,
bool listen_try,
Poco::ThreadPool & server_pool,
AsynchronousMetrics & async_metrics,
std::vector<ProtocolServerAdapter> & servers,
bool start_servers = false);
bool start_servers = false,
const ServerType & server_type = ServerType(ServerType::Type::QUERIES_ALL));
void updateServers(
Poco::Util::AbstractConfiguration & config,
Poco::ThreadPool & server_pool,
AsynchronousMetrics & async_metrics,
std::vector<ProtocolServerAdapter> & servers);
std::vector<ProtocolServerAdapter> & servers,
std::vector<ProtocolServerAdapter> & servers_to_start_before_tables);
void stopServers(
std::vector<ProtocolServerAdapter> & servers,
const ServerType & server_type
) const;
};
}

59
programs/server/config.xml
View File

@ -1026,6 +1026,14 @@
<!-- Interval of flushing data. -->
<flush_interval_milliseconds>7500</flush_interval_milliseconds>
<!-- Maximal size in lines for the logs. When non-flushed logs amount reaches max_size, logs dumped to the disk. -->
<max_size_rows>1048576</max_size_rows>
<!-- Pre-allocated size in lines for the logs. -->
<reserved_size_rows>8192</reserved_size_rows>
<!-- Lines amount threshold, reaching it launches flushing logs to the disk in background. -->
<buffer_size_rows_flush_threshold>524288</buffer_size_rows_flush_threshold>
<!-- Indication whether logs should be dumped to the disk in case of a crash -->
<flush_on_crash>false</flush_on_crash>
<!-- example of using a different storage policy for a system table -->
<!-- storage_policy>local_ssd</storage_policy -->
@ -1039,6 +1047,11 @@
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
<!-- Indication whether logs should be dumped to the disk in case of a crash -->
<flush_on_crash>false</flush_on_crash>
</trace_log>
<!-- Query thread log. Has information about all threads participated in query execution.
@ -1048,6 +1061,10 @@
<table>query_thread_log</table>
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</query_thread_log>
<!-- Query views log. Has information about all dependent views associated with a query.
@ -1066,6 +1083,10 @@
<table>part_log</table>
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</part_log>
<!-- Uncomment to write text log into table.
@ -1075,6 +1096,10 @@
<database>system</database>
<table>text_log</table>
<flush_interval_milliseconds>7500</flush_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>
<level></level>
</text_log>
-->
@ -1084,7 +1109,11 @@
<database>system</database>
<table>metric_log</table>
<flush_interval_milliseconds>7500</flush_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>
<collect_interval_milliseconds>1000</collect_interval_milliseconds>
<flush_on_crash>false</flush_on_crash>
</metric_log>
<!--
@ -1095,6 +1124,10 @@
<database>system</database>
<table>asynchronous_metric_log</table>
<flush_interval_milliseconds>7000</flush_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>
</asynchronous_metric_log>
<!--
@ -1119,6 +1152,10 @@
<database>system</database>
<table>opentelemetry_span_log</table>
<flush_interval_milliseconds>7500</flush_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>
</opentelemetry_span_log>
@ -1130,6 +1167,10 @@
<partition_by />
<flush_interval_milliseconds>1000</flush_interval_milliseconds>
<max_size_rows>1024</max_size_rows>
<reserved_size_rows>1024</reserved_size_rows>
<buffer_size_rows_flush_threshold>512</buffer_size_rows_flush_threshold>
<flush_on_crash>true</flush_on_crash>
</crash_log>
<!-- Session log. Stores user log in (successful or not) and log out events.
@ -1142,6 +1183,10 @@
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</session_log> -->
<!-- Profiling on Processors level. -->
@ -1151,6 +1196,10 @@
<partition_by>toYYYYMM(event_date)</partition_by>
<flush_interval_milliseconds>7500</flush_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>
</processors_profile_log>
<!-- Log of asynchronous inserts. It allows to check status
@ -1161,6 +1210,10 @@
<table>asynchronous_insert_log</table>
<flush_interval_milliseconds>7500</flush_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>
<partition_by>event_date</partition_by>
<ttl>event_date + INTERVAL 3 DAY</ttl>
</asynchronous_insert_log>
@ -1418,12 +1471,6 @@
<max_entry_size_in_rows>30000000</max_entry_size_in_rows>
</query_cache>
<!-- Uncomment if enable merge tree metadata cache -->
<!--merge_tree_metadata_cache>
<lru_cache_size>268435456</lru_cache_size>
<continue_if_corrupted>true</continue_if_corrupted>
</merge_tree_metadata_cache-->
<!-- This allows to disable exposing addresses in stack traces for security reasons.
Please be aware that it does not improve security much, but makes debugging much harder.
The addresses that are small offsets from zero will be displayed nevertheless to show nullptr dereferences.

0
programs/server/resources.cpp Normal file
View File

4
rust/.dockerignore Normal file
View File

@ -0,0 +1,4 @@
# Just in case ignore any cargo stuff (and just in case someone will run this
# docker build locally with build context using folder root):
target
vendor

4
rust/.gitignore vendored Normal file
View File

@ -0,0 +1,4 @@
# This is for tar --exclude-vcs-ignores (and just in case someone will run
# docker build locally with build context created via tar):
target
vendor

92
rust/BLAKE3/Cargo.lock generated
View File

@ -1,92 +0,0 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "_ch_rust_blake3"
version = "0.1.0"
dependencies = [
"blake3",
"libc",
]
[[package]]
name = "arrayref"
version = "0.3.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544"
[[package]]
name = "arrayvec"
version = "0.7.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
[[package]]
name = "blake3"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "526c210b4520e416420759af363083471656e819a75e831b8d2c9d5a584f2413"
dependencies = [
"arrayref",
"arrayvec",
"cc",
"cfg-if",
"constant_time_eq",
"digest",
]
[[package]]
name = "cc"
version = "1.0.73"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
[[package]]
name = "cfg-if"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "constant_time_eq"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
[[package]]
name = "digest"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
dependencies = [
"generic-array",
]
[[package]]
name = "generic-array"
version = "0.14.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
dependencies = [
"typenum",
"version_check",
]
[[package]]
name = "libc"
version = "0.2.132"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8371e4e5341c3a96db127eb2465ac681ced4c433e01dd0e938adbef26ba93ba5"
[[package]]
name = "typenum"
version = "1.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
[[package]]
name = "version_check"
version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"

2
rust/CMakeLists.txt
View File

@ -55,6 +55,8 @@ function(clickhouse_import_crate)
endif()
endif()
# Note, here --offline is not used, since on CI vendor archive is used, and
# passing --offline here will be inconvenient for local development.
corrosion_import_crate(NO_STD ${ARGN} PROFILE ${profile})
endfunction()

519
rust/skim/Cargo.lock → rust/Cargo.lock generated
View File

@ -2,6 +2,22 @@
# It is not intended for manual editing.
version = 3
[[package]]
name = "_ch_rust_blake3"
version = "0.1.0"
dependencies = [
"blake3",
"libc",
]
[[package]]
name = "_ch_rust_prql"
version = "0.1.0"
dependencies = [
"prql-compiler",
"serde_json",
]
[[package]]
name = "_ch_rust_skim_rust"
version = "0.1.0"
@ -12,6 +28,32 @@ dependencies = [
"term",
]
[[package]]
name = "addr2line"
version = "0.20.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f4fa78e18c64fce05e902adecd7a5eed15a5e0a3439f7b0e169f0252214865e3"
dependencies = [
"gimli",
]
[[package]]
name = "adler"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
[[package]]
name = "ahash"
version = "0.7.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
dependencies = [
"getrandom",
"once_cell",
"version_check",
]
[[package]]
name = "aho-corasick"
version = "1.0.2"
@ -36,6 +78,31 @@ dependencies = [
"libc",
]
[[package]]
name = "anyhow"
version = "1.0.72"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3b13c32d80ecc7ab747b80c3784bce54ee8a7a0cc4fbda9bf4cda2cf6fe90854"
dependencies = [
"backtrace",
]
[[package]]
name = "ariadne"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "367fd0ad87307588d087544707bc5fbf4805ded96c7db922b70d368fa1cb5702"
dependencies = [
"unicode-width",
"yansi",
]
[[package]]
name = "arrayref"
version = "0.3.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6b4930d2cb77ce62f89ee5d5289b4ac049559b1c45539271f5ed4fdc7db34545"
[[package]]
name = "arrayvec"
version = "0.7.4"
@ -48,6 +115,21 @@ version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
[[package]]
name = "backtrace"
version = "0.3.68"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4319208da049c43661739c5fade2ba182f09d1dc2299b32298d3a31692b17e12"
dependencies = [
"addr2line",
"cc",
"cfg-if",
"libc",
"miniz_oxide",
"object",
"rustc-demangle",
]
[[package]]
name = "beef"
version = "0.5.2"
@ -60,6 +142,29 @@ version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
[[package]]
name = "blake3"
version = "1.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "199c42ab6972d92c9f8995f086273d25c42fc0f7b2a1fcefba465c1352d25ba5"
dependencies = [
"arrayref",
"arrayvec",
"cc",
"cfg-if",
"constant_time_eq",
"digest",
]
[[package]]
name = "block-buffer"
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12
rust/Cargo.toml Normal file
View File

@ -0,0 +1,12 @@
# workspace is required to vendor crates for all packages.
[workspace]
members = [
"BLAKE3",
"skim",
"prql",
]
resolver = "2"
# FIXME: even though the profiles should be defined in the main cargo config we
# cannot do this yet, since we compile each package separatelly, so you should
# ignore warning from cargo about this.

569
rust/prql/Cargo.lock generated
View File

@ -1,569 +0,0 @@
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# It is not intended for manual editing.
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2
src/Access/Common/AccessType.h
View File

@ -182,10 +182,12 @@ enum class AccessType
M(SYSTEM_SYNC_FILE_CACHE, "SYNC FILE CACHE", GLOBAL, SYSTEM) \
M(SYSTEM_FLUSH_DISTRIBUTED, "FLUSH DISTRIBUTED", TABLE, SYSTEM_FLUSH) \
M(SYSTEM_FLUSH_LOGS, "FLUSH LOGS", GLOBAL, SYSTEM_FLUSH) \
M(SYSTEM_FLUSH_ASYNC_INSERT_QUEUE, "FLUSH ASYNC INSERT QUEUE", GLOBAL, SYSTEM_FLUSH) \
M(SYSTEM_FLUSH, "", GROUP, SYSTEM) \
M(SYSTEM_THREAD_FUZZER, "SYSTEM START THREAD FUZZER, SYSTEM STOP THREAD FUZZER, START THREAD FUZZER, STOP THREAD FUZZER", GLOBAL, SYSTEM) \
M(SYSTEM_UNFREEZE, "SYSTEM UNFREEZE", GLOBAL, SYSTEM) \
M(SYSTEM_FAILPOINT, "SYSTEM ENABLE FAILPOINT, SYSTEM DISABLE FAILPOINT", GLOBAL, SYSTEM) \
M(SYSTEM_LISTEN, "SYSTEM START LISTEN, SYSTEM STOP LISTEN", GLOBAL, SYSTEM) \
M(SYSTEM, "", GROUP, ALL) /* allows to execute SYSTEM {SHUTDOWN|RELOAD CONFIG|...} */ \
\
M(dictGet, "dictHas, dictGetHierarchy, dictIsIn", DICTIONARY, ALL) /* allows to execute functions dictGet(), dictHas(), dictGetHierarchy(), dictIsIn() */\

1
src/AggregateFunctions/AggregateFunctionAny.cpp
View File

@ -49,6 +49,7 @@ void registerAggregateFunctionsAny(AggregateFunctionFactory & factory)
AggregateFunctionProperties properties = { .returns_default_when_only_null = false, .is_order_dependent = true };
factory.registerFunction("any", { createAggregateFunctionAny, properties });
factory.registerAlias("any_value", "any", AggregateFunctionFactory::CaseInsensitive);
factory.registerFunction("anyLast", { createAggregateFunctionAnyLast, properties });
factory.registerFunction("anyHeavy", { createAggregateFunctionAnyHeavy, properties });

2
src/AggregateFunctions/AggregateFunctionSimpleLinearRegression.cpp
View File

@ -66,7 +66,7 @@ AggregateFunctionPtr createAggregateFunctionSimpleLinearRegression(
#undef FOR_LEASTSQR_TYPES
#undef DISPATCH
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT ,
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
"Illegal types ({}, {}) of arguments of aggregate function {}, must "
"be Native Ints, Native UInts or Floats", x_arg->getName(), y_arg->getName(), name);
}

39
src/AggregateFunctions/AggregateFunctionUniq.h
View File

@ -29,6 +29,10 @@
#include <AggregateFunctions/UniqVariadicHash.h>
#include <AggregateFunctions/UniquesHashSet.h>
namespace ErrorCodes
{
extern const int NOT_IMPLEMENTED;
}
namespace DB
{
@ -42,6 +46,7 @@ struct AggregateFunctionUniqUniquesHashSetData
Set set;
constexpr static bool is_able_to_parallelize_merge = false;
constexpr static bool is_parallelize_merge_prepare_needed = false;
constexpr static bool is_variadic = false;
static String getName() { return "uniq"; }
@ -55,6 +60,7 @@ struct AggregateFunctionUniqUniquesHashSetDataForVariadic
Set set;
constexpr static bool is_able_to_parallelize_merge = false;
constexpr static bool is_parallelize_merge_prepare_needed = false;
constexpr static bool is_variadic = true;
constexpr static bool is_exact = is_exact_;
constexpr static bool argument_is_tuple = argument_is_tuple_;
@ -72,6 +78,7 @@ struct AggregateFunctionUniqHLL12Data
Set set;
constexpr static bool is_able_to_parallelize_merge = is_able_to_parallelize_merge_;
constexpr static bool is_parallelize_merge_prepare_needed = false;
constexpr static bool is_variadic = false;
static String getName() { return "uniqHLL12"; }
@ -84,6 +91,7 @@ struct AggregateFunctionUniqHLL12Data<String, false>
Set set;
constexpr static bool is_able_to_parallelize_merge = false;
constexpr static bool is_parallelize_merge_prepare_needed = false;
constexpr static bool is_variadic = false;
static String getName() { return "uniqHLL12"; }
@ -96,6 +104,7 @@ struct AggregateFunctionUniqHLL12Data<UUID, false>
Set set;
constexpr static bool is_able_to_parallelize_merge = false;
constexpr static bool is_parallelize_merge_prepare_needed = false;
constexpr static bool is_variadic = false;
static String getName() { return "uniqHLL12"; }
@ -108,6 +117,7 @@ struct AggregateFunctionUniqHLL12Data<IPv6, false>
Set set;
constexpr static bool is_able_to_parallelize_merge = false;
constexpr static bool is_parallelize_merge_prepare_needed = false;
constexpr static bool is_variadic = false;
static String getName() { return "uniqHLL12"; }
@ -120,6 +130,7 @@ struct AggregateFunctionUniqHLL12DataForVariadic
Set set;
constexpr static bool is_able_to_parallelize_merge = is_able_to_parallelize_merge_;
constexpr static bool is_parallelize_merge_prepare_needed = false;
constexpr static bool is_variadic = true;
constexpr static bool is_exact = is_exact_;
constexpr static bool argument_is_tuple = argument_is_tuple_;
@ -143,6 +154,7 @@ struct AggregateFunctionUniqExactData
Set set;
constexpr static bool is_able_to_parallelize_merge = is_able_to_parallelize_merge_;
constexpr static bool is_parallelize_merge_prepare_needed = true;
constexpr static bool is_variadic = false;
static String getName() { return "uniqExact"; }
@ -162,6 +174,7 @@ struct AggregateFunctionUniqExactData<String, is_able_to_parallelize_merge_>
Set set;
constexpr static bool is_able_to_parallelize_merge = is_able_to_parallelize_merge_;
constexpr static bool is_parallelize_merge_prepare_needed = true;
constexpr static bool is_variadic = false;
static String getName() { return "uniqExact"; }
@ -181,6 +194,7 @@ struct AggregateFunctionUniqExactData<IPv6, is_able_to_parallelize_merge_>
Set set;
constexpr static bool is_able_to_parallelize_merge = is_able_to_parallelize_merge_;
constexpr static bool is_parallelize_merge_prepare_needed = true;
constexpr static bool is_variadic = false;
static String getName() { return "uniqExact"; }
@ -190,6 +204,7 @@ template <bool is_exact_, bool argument_is_tuple_, bool is_able_to_parallelize_m
struct AggregateFunctionUniqExactDataForVariadic : AggregateFunctionUniqExactData<String, is_able_to_parallelize_merge_>
{
constexpr static bool is_able_to_parallelize_merge = is_able_to_parallelize_merge_;
constexpr static bool is_parallelize_merge_prepare_needed = true;
constexpr static bool is_variadic = true;
constexpr static bool is_exact = is_exact_;
constexpr static bool argument_is_tuple = argument_is_tuple_;
@ -204,6 +219,7 @@ struct AggregateFunctionUniqThetaData
Set set;
constexpr static bool is_able_to_parallelize_merge = false;
constexpr static bool is_parallelize_merge_prepare_needed = false;
constexpr static bool is_variadic = false;
static String getName() { return "uniqTheta"; }
@ -213,6 +229,7 @@ template <bool is_exact_, bool argument_is_tuple_>
struct AggregateFunctionUniqThetaDataForVariadic : AggregateFunctionUniqThetaData
{
constexpr static bool is_able_to_parallelize_merge = false;
constexpr static bool is_parallelize_merge_prepare_needed = false;
constexpr static bool is_variadic = true;
constexpr static bool is_exact = is_exact_;
constexpr static bool argument_is_tuple = argument_is_tuple_;
@ -384,8 +401,10 @@ template <typename T, typename Data>
class AggregateFunctionUniq final : public IAggregateFunctionDataHelper<Data, AggregateFunctionUniq<T, Data>>
{
private:
using DataSet = typename Data::Set;
static constexpr size_t num_args = 1;
static constexpr bool is_able_to_parallelize_merge = Data::is_able_to_parallelize_merge;
static constexpr bool is_parallelize_merge_prepare_needed = Data::is_parallelize_merge_prepare_needed;
public:
explicit AggregateFunctionUniq(const DataTypes & argument_types_)
@ -439,6 +458,26 @@ public:
detail::Adder<T, Data>::add(this->data(place), columns, num_args, row_begin, row_end, flags, null_map);
}
bool isParallelizeMergePrepareNeeded() const override { return is_parallelize_merge_prepare_needed;}
void parallelizeMergePrepare(AggregateDataPtrs & places, ThreadPool & thread_pool) const override
{
if constexpr (is_parallelize_merge_prepare_needed)
{
std::vector<DataSet *> data_vec;
data_vec.resize(places.size());
for (unsigned long i = 0; i < data_vec.size(); i++)
data_vec[i] = &this->data(places[i]).set;
DataSet::parallelizeMergePrepare(data_vec, thread_pool);
}
else
{
throw Exception(ErrorCodes::NOT_IMPLEMENTED, "parallelizeMergePrepare() is only implemented when is_parallelize_merge_prepare_needed is true for {} ", getName());
}
}
void merge(AggregateDataPtr __restrict place, ConstAggregateDataPtr rhs, Arena *) const override
{
this->data(place).set.merge(this->data(rhs).set);

8
src/AggregateFunctions/IAggregateFunction.h
View File

@ -47,6 +47,7 @@ using DataTypePtr = std::shared_ptr<const IDataType>;
using DataTypes = std::vector<DataTypePtr>;
using AggregateDataPtr = char *;
using AggregateDataPtrs = std::vector<AggregateDataPtr>;
using ConstAggregateDataPtr = const char *;
class IAggregateFunction;
@ -148,6 +149,13 @@ public:
/// Default values must be a the 0-th positions in columns.
virtual void addManyDefaults(AggregateDataPtr __restrict place, const IColumn ** columns, size_t length, Arena * arena) const = 0;
virtual bool isParallelizeMergePrepareNeeded() const { return false; }
virtual void parallelizeMergePrepare(AggregateDataPtrs & /*places*/, ThreadPool & /*thread_pool*/) const
{
throw Exception(ErrorCodes::NOT_IMPLEMENTED, "parallelizeMergePrepare() with thread pool parameter isn't implemented for {} ", getName());
}
/// Merges state (on which place points to) with other state of current aggregation function.
virtual void merge(AggregateDataPtr __restrict place, ConstAggregateDataPtr rhs, Arena * arena) const = 0;

51
src/AggregateFunctions/UniqExactSet.h
View File

@ -28,6 +28,57 @@ public:
asTwoLevel().insert(std::forward<Arg>(arg));
}
/// In merge, if one of the lhs and rhs is twolevelset and the other is singlelevelset, then the singlelevelset will need to convertToTwoLevel().
/// It's not in parallel and will cost extra large time if the thread_num is large.
/// This method will convert all the SingleLevelSet to TwoLevelSet in parallel if the hashsets are not all singlelevel or not all twolevel.
static void parallelizeMergePrepare(const std::vector<UniqExactSet *> & data_vec, ThreadPool & thread_pool)
{
unsigned long single_level_set_num = 0;
for (auto ele : data_vec)
{
if (ele->isSingleLevel())
single_level_set_num ++;
}
if (single_level_set_num > 0 && single_level_set_num < data_vec.size())
{
try
{
auto data_vec_atomic_index = std::make_shared<std::atomic_uint32_t>(0);
auto thread_func = [data_vec, data_vec_atomic_index, thread_group = CurrentThread::getGroup()]()
{
SCOPE_EXIT_SAFE(
if (thread_group)
CurrentThread::detachFromGroupIfNotDetached();
);
if (thread_group)
CurrentThread::attachToGroupIfDetached(thread_group);
setThreadName("UniqExaConvert");
while (true)
{
const auto i = data_vec_atomic_index->fetch_add(1);
if (i >= data_vec.size())
return;
if (data_vec[i]->isSingleLevel())
data_vec[i]->convertToTwoLevel();
}
};
for (size_t i = 0; i < std::min<size_t>(thread_pool.getMaxThreads(), single_level_set_num); ++i)
thread_pool.scheduleOrThrowOnError(thread_func);
thread_pool.wait();
}
catch (...)
{
thread_pool.wait();
throw;
}
}
}
auto merge(const UniqExactSet & other, ThreadPool * thread_pool = nullptr)
{
if (isSingleLevel() && other.isTwoLevel())

100
src/Analyzer/InDepthQueryTreeVisitor.h
View File

@ -7,6 +7,7 @@
#include <Analyzer/IQueryTreeNode.h>
#include <Analyzer/QueryNode.h>
#include <Analyzer/TableFunctionNode.h>
#include <Analyzer/UnionNode.h>
#include <Interpreters/Context.h>
@ -90,26 +91,25 @@ private:
template <typename Derived>
using ConstInDepthQueryTreeVisitor = InDepthQueryTreeVisitor<Derived, true /*const_visitor*/>;
/** Same as InDepthQueryTreeVisitor and additionally keeps track of current scope context.
/** Same as InDepthQueryTreeVisitor (but has a different interface) and additionally keeps track of current scope context.
* This can be useful if your visitor has special logic that depends on current scope context.
*
* To specify behavior of the visitor you can implement following methods in derived class:
* 1. needChildVisit – This methods allows to skip subtree.
* 2. enterImpl – This method is called before children are processed.
* 3. leaveImpl – This method is called after children are processed.
*/
template <typename Derived, bool const_visitor = false>
class InDepthQueryTreeVisitorWithContext
{
public:
using VisitQueryTreeNodeType = std::conditional_t<const_visitor, const QueryTreeNodePtr, QueryTreeNodePtr>;
using VisitQueryTreeNodeType = QueryTreeNodePtr;
explicit InDepthQueryTreeVisitorWithContext(ContextPtr context, size_t initial_subquery_depth = 0)
: current_context(std::move(context))
, subquery_depth(initial_subquery_depth)
{}
/// Return true if visitor should traverse tree top to bottom, false otherwise
bool shouldTraverseTopToBottom() const
{
return true;
}
/// Return true if visitor should visit child, false otherwise
bool needChildVisit(VisitQueryTreeNodeType & parent [[maybe_unused]], VisitQueryTreeNodeType & child [[maybe_unused]])
{
@ -146,18 +146,16 @@ public:
++subquery_depth;
bool traverse_top_to_bottom = getDerived().shouldTraverseTopToBottom();
if (!traverse_top_to_bottom)
visitChildren(query_tree_node);
getDerived().enterImpl(query_tree_node);
getDerived().visitImpl(query_tree_node);
if (traverse_top_to_bottom)
visitChildren(query_tree_node);
visitChildren(query_tree_node);
getDerived().leaveImpl(query_tree_node);
}
void enterImpl(VisitQueryTreeNodeType & node [[maybe_unused]])
{}
void leaveImpl(VisitQueryTreeNodeType & node [[maybe_unused]])
{}
private:
@ -171,17 +169,31 @@ private:
return *static_cast<Derived *>(this);
}
bool shouldSkipSubtree(
VisitQueryTreeNodeType & parent,
VisitQueryTreeNodeType & child,
size_t subtree_index)
{
bool need_visit_child = getDerived().needChildVisit(parent, child);
if (!need_visit_child)
return true;
if (auto * table_function_node = parent->as<TableFunctionNode>())
{
const auto & unresolved_indexes = table_function_node->getUnresolvedArgumentIndexes();
return std::find(unresolved_indexes.begin(), unresolved_indexes.end(), subtree_index) != unresolved_indexes.end();
}
return false;
}
void visitChildren(VisitQueryTreeNodeType & expression)
{
size_t index = 0;
for (auto & child : expression->getChildren())
{
if (!child)
continue;
bool need_visit_child = getDerived().needChildVisit(expression, child);
if (need_visit_child)
if (child && !shouldSkipSubtree(expression, child, index))
visit(child);
++index;
}
}
@ -189,50 +201,4 @@ private:
size_t subquery_depth = 0;
};
template <typename Derived>
using ConstInDepthQueryTreeVisitorWithContext = InDepthQueryTreeVisitorWithContext<Derived, true /*const_visitor*/>;
/** Visitor that use another visitor to visit node only if condition for visiting node is true.
* For example, your visitor need to visit only query tree nodes or union nodes.
*
* Condition interface:
* struct Condition
* {
* bool operator()(VisitQueryTreeNodeType & node)
* {
* return shouldNestedVisitorVisitNode(node);
* }
* }
*/
template <typename Visitor, typename Condition, bool const_visitor = false>
class InDepthQueryTreeConditionalVisitor : public InDepthQueryTreeVisitor<InDepthQueryTreeConditionalVisitor<Visitor, Condition, const_visitor>, const_visitor>
{
public:
using Base = InDepthQueryTreeVisitor<InDepthQueryTreeConditionalVisitor<Visitor, Condition, const_visitor>, const_visitor>;
using VisitQueryTreeNodeType = typename Base::VisitQueryTreeNodeType;
explicit InDepthQueryTreeConditionalVisitor(Visitor & visitor_, Condition & condition_)
: visitor(visitor_)
, condition(condition_)
{
}
bool shouldTraverseTopToBottom() const
{
return visitor.shouldTraverseTopToBottom();
}
void visitImpl(VisitQueryTreeNodeType & query_tree_node)
{
if (condition(query_tree_node))
visitor.visit(query_tree_node);
}
Visitor & visitor;
Condition & condition;
};
template <typename Visitor, typename Condition>
using ConstInDepthQueryTreeConditionalVisitor = InDepthQueryTreeConditionalVisitor<Visitor, Condition, true /*const_visitor*/>;
}

8
src/Analyzer/Passes/AggregateFunctionsArithmericOperationsPass.cpp
View File

@ -51,13 +51,7 @@ public:
using Base = InDepthQueryTreeVisitorWithContext<AggregateFunctionsArithmericOperationsVisitor>;
using Base::Base;
/// Traverse tree bottom to top
static bool shouldTraverseTopToBottom()
{
return false;
}
void visitImpl(QueryTreeNodePtr & node)
void leaveImpl(QueryTreeNodePtr & node)
{
if (!getSettings().optimize_arithmetic_operations_in_aggregate_functions)
return;

2
src/Analyzer/Passes/ArrayExistsToHasPass.cpp
View File

@ -22,7 +22,7 @@ public:
using Base = InDepthQueryTreeVisitorWithContext<RewriteArrayExistsToHasVisitor>;
using Base::Base;
void visitImpl(QueryTreeNodePtr & node)
void enterImpl(QueryTreeNodePtr & node)
{
if (!getSettings().optimize_rewrite_array_exists_to_has)
return;

2
src/Analyzer/Passes/AutoFinalOnQueryPass.cpp
View File

@ -20,7 +20,7 @@ public:
using Base = InDepthQueryTreeVisitorWithContext<AutoFinalOnQueryPassVisitor>;
using Base::Base;
void visitImpl(QueryTreeNodePtr & node)
void enterImpl(QueryTreeNodePtr & node)
{
if (!getSettings().final)
return;

2
src/Analyzer/Passes/ConvertOrLikeChainPass.cpp
View File

@ -50,7 +50,7 @@ public:
&& settings.max_hyperscan_regexp_total_length == 0;
}
void visitImpl(QueryTreeNodePtr & node)
void enterImpl(QueryTreeNodePtr & node)
{
auto * function_node = node->as<FunctionNode>();
if (!function_node || function_node->getFunctionName() != "or")

2
src/Analyzer/Passes/ConvertQueryToCNFPass.cpp
View File

@ -688,7 +688,7 @@ public:
using Base = InDepthQueryTreeVisitorWithContext<ConvertQueryToCNFVisitor>;
using Base::Base;
void visitImpl(QueryTreeNodePtr & node)
void enterImpl(QueryTreeNodePtr & node)
{
auto * query_node = node->as<QueryNode>();
if (!query_node)

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