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* When retrieving data directly from a dictionary using Dictionary storage, dictionary table function, or direct SELECT from the dictionary itself, it is now enough to have `SELECT` permission or `dictGet` permission for the dictionary. This aligns with previous attempts to prevent ACL bypasses: https://github.com/ClickHouse/ClickHouse/pull/57362 and https://github.com/ClickHouse/ClickHouse/pull/65359. It also makes the latter one backward compatible. [#72051](https://github.com/ClickHouse/ClickHouse/pull/72051) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
#### Experimental feature
* Implement `allowed_feature_tier` as a global switch to disable all experimental / beta features. [#71841](https://github.com/ClickHouse/ClickHouse/pull/71841) ([Raúl Marín](https://github.com/Algunenano)).
* Implement `allowed_feature_tier` as a global switch to disable all experimental / beta features. [#71841](https://github.com/ClickHouse/ClickHouse/pull/71841) [#71145](https://github.com/ClickHouse/ClickHouse/pull/71145) ([Raúl Marín](https://github.com/Algunenano)).
* Fix possible error `No such file or directory` due to unescaped special symbols in files for JSON subcolumns. [#71182](https://github.com/ClickHouse/ClickHouse/pull/71182) ([Pavel Kruglov](https://github.com/Avogar)).
* Support alter from String to JSON. This PR also changes the serialization of JSON and Dynamic types to new version V2. Old version V1 can be still used by enabling setting `merge_tree_use_v1_object_and_dynamic_serialization` (can be used during upgrade to be able to rollback the version without issues). [#70442](https://github.com/ClickHouse/ClickHouse/pull/70442) ([Pavel Kruglov](https://github.com/Avogar)).
* Implement simple CAST from Map/Tuple/Object to new JSON through serialization/deserialization from JSON string. [#71320](https://github.com/ClickHouse/ClickHouse/pull/71320) ([Pavel Kruglov](https://github.com/Avogar)).
@ -34,77 +34,74 @@
* Forbid Dynamic/Variant types in min/max functions to avoid confusion. [#71761](https://github.com/ClickHouse/ClickHouse/pull/71761) ([Pavel Kruglov](https://github.com/Avogar)).
#### New Feature
* Added SQL syntax to describe workload and resource management. https://clickhouse.com/docs/en/operations/workload-scheduling. [#69187](https://github.com/ClickHouse/ClickHouse/pull/69187) ([Sergei Trifonov](https://github.com/serxa)).
* A new data type, `BFloat16`, represents 16-bit floating point numbers with 8-bit exponent, sign, and 7-bit mantissa. This closes [#44206](https://github.com/ClickHouse/ClickHouse/issues/44206). This closes [#49937](https://github.com/ClickHouse/ClickHouse/issues/49937). [#64712](https://github.com/ClickHouse/ClickHouse/pull/64712) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Add `CHECK GRANT` query to check whether the current user/role has been granted the specific privilege and whether the corresponding table/column exists in the memory. [#68885](https://github.com/ClickHouse/ClickHouse/pull/68885) ([Unalian](https://github.com/Unalian)).
* Added SQL syntax to describe workload and resource management. https://clickhouse.com/docs/en/operations/workload-scheduling. [#69187](https://github.com/ClickHouse/ClickHouse/pull/69187) ([Sergei Trifonov](https://github.com/serxa)).
* Added server setting `async_load_system_database` that allows the server to start with not fully loaded system database. This helps to start ClickHouse faster if there are many system tables. [#69847](https://github.com/ClickHouse/ClickHouse/pull/69847) ([Sergei Trifonov](https://github.com/serxa)).
* Allow each authentication method to have its own expiration date, remove from user entity. [#70090](https://github.com/ClickHouse/ClickHouse/pull/70090) ([Arthur Passos](https://github.com/arthurpassos)).
* Push external user roles from query originator to other nodes in cluster. Helpful when only originator has access to the external authenticator (like LDAP). [#70332](https://github.com/ClickHouse/ClickHouse/pull/70332) ([Andrey Zvonov](https://github.com/zvonand)).
* Added a new header type for S3 endpoints for user authentication (`access_header`). This allows to get some access header with the lowest priority, which will be overwritten with `access_key_id` from any other source (for example, a table schema or a named collection). [#71011](https://github.com/ClickHouse/ClickHouse/pull/71011) ([MikhailBurdukov](https://github.com/MikhailBurdukov)).
* Initial implementation of settings tiers. [#71145](https://github.com/ClickHouse/ClickHouse/pull/71145) ([Raúl Marín](https://github.com/Algunenano)).
* Add support for staleness clause in order by with fill operator. [#71151](https://github.com/ClickHouse/ClickHouse/pull/71151) ([Mikhail Artemenko](https://github.com/Michicosun)).
* Added aliases `anyRespectNulls`, `firstValueRespectNulls`, and `anyValueRespectNulls` for aggregation function `any`. Also added aliases `anyLastRespectNulls` and `lastValueRespectNulls` for aggregation function `anyLast`. This allows using more natural camel-case-only syntax rather than mixed camel-case/underscore syntax, for example: `SELECT anyLastRespectNullsStateIf` instead of `anyLast_respect_nullsStateIf`. [#71403](https://github.com/ClickHouse/ClickHouse/pull/71403) ([Peter Nguyen](https://github.com/petern48)).
* Added the configuration `date_time_utc` parameter, enabling JSON log formatting to support UTC date-time in RFC 3339/ISO8601 format. [#71560](https://github.com/ClickHouse/ClickHouse/pull/71560) ([Ali](https://github.com/xogoodnow)).
* Optimized memory usage for values of index granularity if granularity is constant for part. Added an ability to always select constant granularity for part (setting `use_const_adaptive_granularity`), which helps to ensure that it is always optimized in memory. It helps in large workloads (trillions of rows in shared storage) to avoid constantly growing memory usage by metadata (values of index granularity) of data parts. [#71786](https://github.com/ClickHouse/ClickHouse/pull/71786) ([Anton Popov](https://github.com/CurtizJ)).
* Add `iceberg[S3;HDFS;Azure]Cluster`, `deltaLakeCluster`, `hudiCluster` table functions. [#72045](https://github.com/ClickHouse/ClickHouse/pull/72045) ([Mikhail Artemenko](https://github.com/Michicosun)).
* Add ability to set user/password in http_handlers (for `dynamic_query_handler`/`predefined_query_handler`). [#70725](https://github.com/ClickHouse/ClickHouse/pull/70725) ([Azat Khuzhin](https://github.com/azat)).
* Add support for staleness clause in the ORDER BY WITH FILL operator. [#71151](https://github.com/ClickHouse/ClickHouse/pull/71151) ([Mikhail Artemenko](https://github.com/Michicosun)).
* Allow each authentication method to have its own expiration date, remove from user entity. [#70090](https://github.com/ClickHouse/ClickHouse/pull/70090) ([Arthur Passos](https://github.com/arthurpassos)).
* Added new functions `parseDateTime64`, `parseDateTime64OrNull` and `parseDateTime64OrZero`. Compared to the existing function `parseDateTime` (and variants), they return a value of type `DateTime64` instead of `DateTime`. [#71581](https://github.com/ClickHouse/ClickHouse/pull/71581) ([kevinyhzou](https://github.com/KevinyhZou)).
#### Performance Improvement
* Now we won't copy input blocks columns for `join_algorithm='parallel_hash'` when distribute them between threads for parallel processing. [#67782](https://github.com/ClickHouse/ClickHouse/pull/67782) ([Nikita Taranov](https://github.com/nickitat)).
* Optimized `Replacing` merge algorithm for non intersecting parts. [#70977](https://github.com/ClickHouse/ClickHouse/pull/70977) ([Anton Popov](https://github.com/CurtizJ)).
* Optimized memory usage for values of index granularity if granularity is constant for part. Added an ability to always select constant granularity for part (setting `use_const_adaptive_granularity`), which helps to ensure that it is always optimized in memory. It helps in large workloads (trillions of rows in shared storage) to avoid constantly growing memory usage by metadata (values of index granularity) of data parts. [#71786](https://github.com/ClickHouse/ClickHouse/pull/71786) ([Anton Popov](https://github.com/CurtizJ)).
* Now we don't copy input blocks columns for `join_algorithm = 'parallel_hash'` when distribute them between threads for parallel processing. [#67782](https://github.com/ClickHouse/ClickHouse/pull/67782) ([Nikita Taranov](https://github.com/nickitat)).
* Optimized `Replacing` merge algorithm for non-intersecting parts. [#70977](https://github.com/ClickHouse/ClickHouse/pull/70977) ([Anton Popov](https://github.com/CurtizJ)).
* Do not list detached parts from readonly and write-once disks for metrics and system.detached_parts. [#71086](https://github.com/ClickHouse/ClickHouse/pull/71086) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Do not calculate heavy asynchronous metrics by default. The feature was introduced in [#40332](https://github.com/ClickHouse/ClickHouse/issues/40332), but it isn't good to have a heavy background job that is needed for only a single customer. [#71087](https://github.com/ClickHouse/ClickHouse/pull/71087) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Improve the performance and accuracy of system.query_metric_log collection interval by reducing the critical region. [#71473](https://github.com/ClickHouse/ClickHouse/pull/71473) ([Pablo Marcos](https://github.com/pamarcos)).
* For the `plain_rewritable` disks: Do not call the object storage API when listing directories, as this may be cost-inefficient. Instead, store the list of filenames in the memory. The trade-offs are increased initial load time and memory required to store filenames. [#70823](https://github.com/ClickHouse/ClickHouse/pull/70823) ([Julia Kartseva](https://github.com/jkartseva)).
* Improve the performance and accuracy of `system.query_metric_log` collection interval by reducing the critical region. [#71473](https://github.com/ClickHouse/ClickHouse/pull/71473) ([Pablo Marcos](https://github.com/pamarcos)).
* Read-in-order optimization via generating virtual rows, so less data would be read during merge sort especially useful when multiple parts exist. [#62125](https://github.com/ClickHouse/ClickHouse/pull/62125) ([Shichao Jin](https://github.com/jsc0218)).
* Added server setting `async_load_system_database` that allows the server to start with not fully loaded system database. This helps to start ClickHouse faster if there are many system tables. [#69847](https://github.com/ClickHouse/ClickHouse/pull/69847) ([Sergei Trifonov](https://github.com/serxa)).
* Add `--threads` parameter to `clickhouse-compressor`, which allows to compress data in parallel. [#70860](https://github.com/ClickHouse/ClickHouse/pull/70860) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Added a setting `prewarm_mark_cache` which enables loading of marks to mark cache on inserts, merges, fetches of parts and on startup of the table. [#71053](https://github.com/ClickHouse/ClickHouse/pull/71053) ([Anton Popov](https://github.com/CurtizJ)).
* Shrink to fit index_granularity array in memory to reduce memory footprint for MergeTree table engines family. [#71595](https://github.com/ClickHouse/ClickHouse/pull/71595) ([alesapin](https://github.com/alesapin)).
* Turn off filesystem cache setting `boundary_alignment` for non-disk read, which improves performance of reading from standalone remote files with caching. [#71827](https://github.com/ClickHouse/ClickHouse/pull/71827) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Queries like `SELECT * FROM table LIMIT ...` used to load part indexes even though they were not used. [#71866](https://github.com/ClickHouse/ClickHouse/pull/71866) ([Alexander Gololobov](https://github.com/davenger)).
#### Improvement
* Allow using clickhouse with a file argument as `ch queries.sql`. [#71589](https://github.com/ClickHouse/ClickHouse/pull/71589) ([Raúl Marín](https://github.com/Algunenano)).
* The `Vertical` format (which is also activated when you end your query with `\G`) gets the features of Pretty formats, such as: - highlighting thousand groups in numbers; - printing a readable number tip. [#71630](https://github.com/ClickHouse/ClickHouse/pull/71630) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Push external user roles from query originator to other nodes in cluster. Helpful when only originator has access to the external authenticator (like LDAP). [#70332](https://github.com/ClickHouse/ClickHouse/pull/70332) ([Andrey Zvonov](https://github.com/zvonand)).
* Added aliases `anyRespectNulls`, `firstValueRespectNulls`, and `anyValueRespectNulls` for aggregation function `any`. Also added aliases `anyLastRespectNulls` and `lastValueRespectNulls` for aggregation function `anyLast`. This allows using more natural camel-case-only syntax rather than mixed camel-case/underscore syntax, for example: `SELECT anyLastRespectNullsStateIf` instead of `anyLast_respect_nullsStateIf`. [#71403](https://github.com/ClickHouse/ClickHouse/pull/71403) ([Peter Nguyen](https://github.com/petern48)).
* Added the configuration `date_time_utc` parameter, enabling JSON log formatting to support UTC date-time in RFC 3339/ISO8601 format. [#71560](https://github.com/ClickHouse/ClickHouse/pull/71560) ([Ali](https://github.com/xogoodnow)).
* Added a new header type for S3 endpoints for user authentication (`access_header`). This allows to get some access header with the lowest priority, which will be overwritten with `access_key_id` from any other source (for example, a table schema or a named collection). [#71011](https://github.com/ClickHouse/ClickHouse/pull/71011) ([MikhailBurdukov](https://github.com/MikhailBurdukov)).
* Higher-order functions with constant arrays and constant captured arguments will return constants. [#58400](https://github.com/ClickHouse/ClickHouse/pull/58400) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Query plan step names (`EXPLAIN PLAN json=1`) and pipeline processor names (`EXPLAIN PIPELINE compact=0,graph=1`) now have a unique id as a suffix. This allows to match processors profiler output and OpenTelemetry traces with explain output. [#63518](https://github.com/ClickHouse/ClickHouse/pull/63518) ([qhsong](https://github.com/qhsong)).
* Added option to check object exists after writing to Azure Blob Storage, this is controlled by setting `check_objects_after_upload`. [#64847](https://github.com/ClickHouse/ClickHouse/pull/64847) ([Smita Kulkarni](https://github.com/SmitaRKulkarni)).
* Added option to check if the object exists after writing it to Azure Blob Storage, this is controlled by setting `check_objects_after_upload`. [#64847](https://github.com/ClickHouse/ClickHouse/pull/64847) ([Smita Kulkarni](https://github.com/SmitaRKulkarni)).
* Use `Atomic` database by default in `clickhouse-local`. Address items 1 and 5 from [#50647](https://github.com/ClickHouse/ClickHouse/issues/50647). Closes [#44817](https://github.com/ClickHouse/ClickHouse/issues/44817). [#68024](https://github.com/ClickHouse/ClickHouse/pull/68024) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Exceptions break the HTTP protocol in order to alert the client about error. [#68800](https://github.com/ClickHouse/ClickHouse/pull/68800) ([Sema Checherinda](https://github.com/CheSema)).
* Report running DDLWorker hosts by creating replica_dir and mark replicas active in DDLWorker. [#69658](https://github.com/ClickHouse/ClickHouse/pull/69658) ([tuanpach](https://github.com/tuanpach)).
* Wait only on active replicas for database ON CLUSTER queries if distributed_ddl_output_mode is set to be *_only_active. [#69660](https://github.com/ClickHouse/ClickHouse/pull/69660) ([tuanpach](https://github.com/tuanpach)).
* Better error-handling and cancellation of `ON CLUSTER` backups and restores: - If a backup or restore fails on one host then it'll be cancelled on other hosts automatically - No weird errors must be produced because some hosts failed while other hosts continued their work - If a backup or restore is cancelled on one host then it'll be cancelled on other hosts automatically - Fix issues with `test_disallow_concurrency` - now disabling of concurrency must work better - Backups and restores now are much more resistant to ZooKeeper disconnects. [#70027](https://github.com/ClickHouse/ClickHouse/pull/70027) ([Vitaly Baranov](https://github.com/vitlibar)).
* Enable `parallel_replicas_local_plan` by default. Building a full-fledged local plan on the query initiator improves parallel replicas performance with less resource consumption, provides opportunities to apply more query optimizations. [#70171](https://github.com/ClickHouse/ClickHouse/pull/70171) ([Igor Nikonov](https://github.com/devcrafter)).
* Add ability to set user/password in http_handlers (for `dynamic_query_handler`/`predefined_query_handler`). [#70725](https://github.com/ClickHouse/ClickHouse/pull/70725) ([Azat Khuzhin](https://github.com/azat)).
* Support `ALTER TABLE ... MODIFY/RESET SETTING ...` for certain settings in storage S3Queue. [#70811](https://github.com/ClickHouse/ClickHouse/pull/70811) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Do not call the object storage API when listing directories, as this may be cost-inefficient. Instead, store the list of filenames in the memory. The trade-offs are increased initial load time and memory required to store filenames. [#70823](https://github.com/ClickHouse/ClickHouse/pull/70823) ([Julia Kartseva](https://github.com/jkartseva)).
* Add `--threads` parameter to `clickhouse-compressor`, which allows to compress data in parallel. [#70860](https://github.com/ClickHouse/ClickHouse/pull/70860) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Added the ability to reload client certificates in the same way as the procedure for reloading server certificates. [#70997](https://github.com/ClickHouse/ClickHouse/pull/70997) ([Roman Antonov](https://github.com/Romeo58rus)).
* Refactored internal structure of files which work with DataLake Storages. [#71012](https://github.com/ClickHouse/ClickHouse/pull/71012) ([Daniil Ivanik](https://github.com/divanik)).
* Make the Replxx client history size configurable. [#71014](https://github.com/ClickHouse/ClickHouse/pull/71014) ([Jiří Kozlovský](https://github.com/jirislav)).
* Added a setting `prewarm_mark_cache` which enables loading of marks to mark cache on inserts, merges, fetches of parts and on startup of the table. [#71053](https://github.com/ClickHouse/ClickHouse/pull/71053) ([Anton Popov](https://github.com/CurtizJ)).
* Boolean support for parquet native reader. [#71055](https://github.com/ClickHouse/ClickHouse/pull/71055) ([Arthur Passos](https://github.com/arthurpassos)).
* Make the client history size configurable and increase its default size. [#71014](https://github.com/ClickHouse/ClickHouse/pull/71014) ([Jiří Kozlovský](https://github.com/jirislav)).
* Boolean types support for the parquet native reader. [#71055](https://github.com/ClickHouse/ClickHouse/pull/71055) ([Arthur Passos](https://github.com/arthurpassos)).
* Retry more errors when interacting with S3, such as "Malformed message". [#71088](https://github.com/ClickHouse/ClickHouse/pull/71088) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Lower log level for some messages about S3. [#71090](https://github.com/ClickHouse/ClickHouse/pull/71090) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Support write hdfs files with space. [#71105](https://github.com/ClickHouse/ClickHouse/pull/71105) ([exmy](https://github.com/exmy)).
* Support writing HDFS files with spaces. [#71105](https://github.com/ClickHouse/ClickHouse/pull/71105) ([exmy](https://github.com/exmy)).
* Added settings limiting the number of replicated tables, dictionaries and views. [#71179](https://github.com/ClickHouse/ClickHouse/pull/71179) ([Kirill](https://github.com/kirillgarbar)).
* Use `AWS_CONTAINER_AUTHORIZATION_TOKEN_FILE` instead of `AWS_CONTAINER_AUTHORIZATION_TOKEN` if former is available. Fixes [#71074](https://github.com/ClickHouse/ClickHouse/issues/71074). [#71269](https://github.com/ClickHouse/ClickHouse/pull/71269) ([Konstantin Bogdanov](https://github.com/thevar1able)).
* Remove the metadata_version ZooKeeper node creation from RMT restarting thread. The only scenario where we need to create this node is when the user updated from a version earlier than 20.4 straight to one later than 24.10. ClickHouse does not support upgrades that span more than a year, so we should throw an exception and ask the user to update gradually, instead of creating the node. [#71385](https://github.com/ClickHouse/ClickHouse/pull/71385) ([Miсhael Stetsyuk](https://github.com/mstetsyuk)).
* Remove the metadata_version ZooKeeper node creation from ReplicatedMergeTree restarting thread. The only scenario where we need to create this node is when the user updated from a version earlier than 20.4 straight to one later than 24.10. ClickHouse does not support upgrades that span more than a year, so we should throw an exception and ask the user to update gradually, instead of creating the node. [#71385](https://github.com/ClickHouse/ClickHouse/pull/71385) ([Miсhael Stetsyuk](https://github.com/mstetsyuk)).
* Add per host dashboards `Overview (host)` and `Cloud overview (host)` to advanced dashboard. [#71422](https://github.com/ClickHouse/ClickHouse/pull/71422) ([alesapin](https://github.com/alesapin)).
* The methods `removeObject` and `removeObjects` are not idempotent. When retries happen due to network errors, the result could be `object not found` because it has been deleted at previous attempts. [#71529](https://github.com/ClickHouse/ClickHouse/pull/71529) ([Sema Checherinda](https://github.com/CheSema)).
* Added new functions `parseDateTime64`, `parseDateTime64OrNull` and `parseDateTime64OrZero`. Compared to the existing function `parseDateTime` (and variants), they return a value of type `DateTime64` instead of `DateTime`. [#71581](https://github.com/ClickHouse/ClickHouse/pull/71581) ([kevinyhzou](https://github.com/KevinyhZou)).
* Allow using clickhouse with a file argument as --queries-file. [#71589](https://github.com/ClickHouse/ClickHouse/pull/71589) ([Raúl Marín](https://github.com/Algunenano)).
* Shrink to fit index_granularity array in memory to reduce memory footprint for MergeTree table engines family. [#71595](https://github.com/ClickHouse/ClickHouse/pull/71595) ([alesapin](https://github.com/alesapin)).
* `clickhouse-local` uses implicit SELECT by default, which allows to use it as a calculator. Improve the syntax highlighting for the implicit SELECT mode. [#71620](https://github.com/ClickHouse/ClickHouse/pull/71620) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* The command line applications will highlight syntax even for multi-statements. [#71622](https://github.com/ClickHouse/ClickHouse/pull/71622) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Command-line applications will return non-zero exit codes on errors. In previous versions, the `disks` application returned zero on errors, and other applications returned zero for errors 256 (`PARTITION_ALREADY_EXISTS`) and 512 (`SET_NON_GRANTED_ROLE`). [#71623](https://github.com/ClickHouse/ClickHouse/pull/71623) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* When user/group is given as ID, the `clickhouse su` fails. This patch fixes it to accept `UID:GID` as well. [#71626](https://github.com/ClickHouse/ClickHouse/pull/71626) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* The `Vertical` format (which is also activated when you end your query with `\G`) gets the features of Pretty formats, such as: - highlighting thousand groups in numbers; - printing a readable number tip. [#71630](https://github.com/ClickHouse/ClickHouse/pull/71630) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Allow to disable memory buffer increase for filesystem cache via setting `filesystem_cache_prefer_bigger_buffer_size`. [#71640](https://github.com/ClickHouse/ClickHouse/pull/71640) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Add a separate setting `background_download_max_file_segment_size` for background download max file segment size in filesystem cache. [#71648](https://github.com/ClickHouse/ClickHouse/pull/71648) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Slightly better JSON type parsing: if current block for the JSON path contains values of several types, try to choose the best type by trying types in special best-effort order. [#71785](https://github.com/ClickHouse/ClickHouse/pull/71785) ([Pavel Kruglov](https://github.com/Avogar)).
* Previously reading from `system.asynchronous_metrics` would wait for concurrent update to finish. This can take long time if system is under heavy load. With this change the previously collected values can always be read. [#71798](https://github.com/ClickHouse/ClickHouse/pull/71798) ([Alexander Gololobov](https://github.com/davenger)).
* Set `polling_max_timeout_ms` to 10 minutes, `polling_backoff_ms` to 30 seconds. [#71817](https://github.com/ClickHouse/ClickHouse/pull/71817) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Turn-off filesystem cache setting `boundary_alignment` for non-disk read. [#71827](https://github.com/ClickHouse/ClickHouse/pull/71827) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Update `HostResolver` 3 times in a `history` period. [#71863](https://github.com/ClickHouse/ClickHouse/pull/71863) ([Sema Checherinda](https://github.com/CheSema)).
* Queries like 'SELECT * FROM t LIMIT 1' used to load part indexes even though they were not used. [#71866](https://github.com/ClickHouse/ClickHouse/pull/71866) ([Alexander Gololobov](https://github.com/davenger)).
* Allow_reorder_prewhere_conditions is on by default with old compatibility settings. [#71867](https://github.com/ClickHouse/ClickHouse/pull/71867) ([Raúl Marín](https://github.com/Algunenano)).
* S3Queue and AzureQueue: Set `polling_max_timeout_ms` to 10 minutes, `polling_backoff_ms` to 30 seconds. [#71817](https://github.com/ClickHouse/ClickHouse/pull/71817) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Update `HostResolver` three times in a `history` period. [#71863](https://github.com/ClickHouse/ClickHouse/pull/71863) ([Sema Checherinda](https://github.com/CheSema)).
* On the advanced dashboard HTML page added a dropdown selector for the dashboard from `system.dashboards` table. [#72081](https://github.com/ClickHouse/ClickHouse/pull/72081) ([Sergei Trifonov](https://github.com/serxa)).
* Check if default database is present after authorization. Fixes [#71097](https://github.com/ClickHouse/ClickHouse/issues/71097). [#71140](https://github.com/ClickHouse/ClickHouse/pull/71140) ([Konstantin Bogdanov](https://github.com/thevar1able)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* The parts deduplicated during `ATTACH PART` query don't get stuck with the `attaching_` prefix anymore. [#65636](https://github.com/ClickHouse/ClickHouse/pull/65636) ([Kirill](https://github.com/kirillgarbar)).
* Fix for the bug when dateTime64 losing precision for the `IN` function. [#67230](https://github.com/ClickHouse/ClickHouse/pull/67230) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Fix for the bug when DateTime64 losing precision for the `IN` function. [#67230](https://github.com/ClickHouse/ClickHouse/pull/67230) ([Yarik Briukhovetskyi](https://github.com/yariks5s)).
* Fix possible logical error when using functions with `IGNORE/RESPECT NULLS` in `ORDER BY ... WITH FILL`, close [#57609](https://github.com/ClickHouse/ClickHouse/issues/57609). [#68234](https://github.com/ClickHouse/ClickHouse/pull/68234) ([Vladimir Cherkasov](https://github.com/vdimir)).
* Fixed rare logical errors in asynchronous inserts with format `Native` in case of reached memory limit. [#68965](https://github.com/ClickHouse/ClickHouse/pull/68965) ([Anton Popov](https://github.com/CurtizJ)).
* Fix COMMENT in CREATE TABLE for EPHEMERAL column. [#70458](https://github.com/ClickHouse/ClickHouse/pull/70458) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
@ -117,11 +114,9 @@
* Fix the bug that didn't consider _row_exists column in rebuild option of projection lightweight delete. [#71089](https://github.com/ClickHouse/ClickHouse/pull/71089) ([Shichao Jin](https://github.com/jsc0218)).
* Fix `AT_* is out of range` problem when running on Oracle Linux UEK 6.10. [#71109](https://github.com/ClickHouse/ClickHouse/pull/71109) ([Örjan Fors](https://github.com/op)).
* Fix wrong value in system.query_metric_log due to unexpected race condition. [#71124](https://github.com/ClickHouse/ClickHouse/pull/71124) ([Pablo Marcos](https://github.com/pamarcos)).
* Check if default DB is present after authorization. Fixes [#71097](https://github.com/ClickHouse/ClickHouse/issues/71097). [#71140](https://github.com/ClickHouse/ClickHouse/pull/71140) ([Konstantin Bogdanov](https://github.com/thevar1able)).
* Fix mismatched aggreage function name of quantileExactWeightedInterpolated. The bug was introduced in https://github.com/ClickHouse/ClickHouse/pull/69619. cc @Algunenano. [#71168](https://github.com/ClickHouse/ClickHouse/pull/71168) ([李扬](https://github.com/taiyang-li)).
* Fix bad_weak_ptr exception with Dynamic in functions comparison. [#71183](https://github.com/ClickHouse/ClickHouse/pull/71183) ([Pavel Kruglov](https://github.com/Avogar)).
* Checks that read 7z file is on a local machine. [#71184](https://github.com/ClickHouse/ClickHouse/pull/71184) ([Daniil Ivanik](https://github.com/divanik)).
* Don't delete a blob when there are nodes using it in ReplicatedMergeTree with zero-copy replication. [#71186](https://github.com/ClickHouse/ClickHouse/pull/71186) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix ignoring format settings in Native format via HTTP and Async Inserts. [#71193](https://github.com/ClickHouse/ClickHouse/pull/71193) ([Pavel Kruglov](https://github.com/Avogar)).
* SELECT queries run with setting `use_query_cache = 1` are no longer rejected if the name of a system table appears as a literal, e.g. `SELECT * FROM users WHERE name = 'system.metrics' SETTINGS use_query_cache = true;` now works. [#71254](https://github.com/ClickHouse/ClickHouse/pull/71254) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix bug of memory usage increase if enable_filesystem_cache=1, but disk in storage configuration did not have any cache configuration. [#71261](https://github.com/ClickHouse/ClickHouse/pull/71261) ([Kseniia Sumarokova](https://github.com/kssenii)).
@ -130,18 +125,18 @@
* Added missing unescaping in named collections. Without fix clickhouse-server can't start. [#71308](https://github.com/ClickHouse/ClickHouse/pull/71308) ([MikhailBurdukov](https://github.com/MikhailBurdukov)).
* Fix async inserts with empty blocks via native protocol. [#71312](https://github.com/ClickHouse/ClickHouse/pull/71312) ([Anton Popov](https://github.com/CurtizJ)).
* Fix inconsistent AST formatting when granting wrong wildcard grants [#71309](https://github.com/ClickHouse/ClickHouse/issues/71309). [#71332](https://github.com/ClickHouse/ClickHouse/pull/71332) ([pufit](https://github.com/pufit)).
* Add try/catch to data parts destructors to avoid terminate. [#71364](https://github.com/ClickHouse/ClickHouse/pull/71364) ([alesapin](https://github.com/alesapin)).
* Add try/catch to data parts destructors to avoid std::terminate. [#71364](https://github.com/ClickHouse/ClickHouse/pull/71364) ([alesapin](https://github.com/alesapin)).
* Check suspicious and experimental types in JSON type hints. [#71369](https://github.com/ClickHouse/ClickHouse/pull/71369) ([Pavel Kruglov](https://github.com/Avogar)).
* Start memory worker thread on non-Linux OS too (fixes [#71051](https://github.com/ClickHouse/ClickHouse/issues/71051)). [#71384](https://github.com/ClickHouse/ClickHouse/pull/71384) ([Alexandre Snarskii](https://github.com/snar)).
* Fix error Invalid number of rows in Chunk with Variant column. [#71388](https://github.com/ClickHouse/ClickHouse/pull/71388) ([Pavel Kruglov](https://github.com/Avogar)).
* Fix error column "attgenerated" does not exist for old PostgreSQL, fix [#60651](https://github.com/ClickHouse/ClickHouse/issues/60651). [#71396](https://github.com/ClickHouse/ClickHouse/pull/71396) ([0xMihalich](https://github.com/0xMihalich)).
* Fix error Invalid number of rows in Chunk with the Variant column. [#71388](https://github.com/ClickHouse/ClickHouse/pull/71388) ([Pavel Kruglov](https://github.com/Avogar)).
* Fix error column "attgenerated" does not exist for older PostgreSQL versions, fix [#60651](https://github.com/ClickHouse/ClickHouse/issues/60651). [#71396](https://github.com/ClickHouse/ClickHouse/pull/71396) ([0xMihalich](https://github.com/0xMihalich)).
* To avoid spamming the server logs, failing authentication attempts are now logged at level `DEBUG` instead of `ERROR`. [#71405](https://github.com/ClickHouse/ClickHouse/pull/71405) ([Robert Schulze](https://github.com/rschu1ze)).
* Fix crash in `mongodb` table function when passing wrong arguments (e.g. `NULL`). [#71426](https://github.com/ClickHouse/ClickHouse/pull/71426) ([Vladimir Cherkasov](https://github.com/vdimir)).
* Fix crash with optimize_rewrite_array_exists_to_has. [#71432](https://github.com/ClickHouse/ClickHouse/pull/71432) ([Raúl Marín](https://github.com/Algunenano)).
* Fixed the usage of setting `max_insert_delayed_streams_for_parallel_write` in inserts. Previously it worked incorrectly which could lead to high memory usage in inserts which write data into several partitions. [#71474](https://github.com/ClickHouse/ClickHouse/pull/71474) ([Anton Popov](https://github.com/CurtizJ)).
* Fix possible error `Argument for function must be constant` (old analyzer) in case when arrayJoin can apparently appear in `WHERE` condition. Regression after https://github.com/ClickHouse/ClickHouse/pull/65414. [#71476](https://github.com/ClickHouse/ClickHouse/pull/71476) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Prevent crash in SortCursor with 0 columns (old analyzer). [#71494](https://github.com/ClickHouse/ClickHouse/pull/71494) ([Raúl Marín](https://github.com/Algunenano)).
* Fix date32 out of range caused by uninitialized orc data. For more details, refer to https://github.com/apache/incubator-gluten/issues/7823. [#71500](https://github.com/ClickHouse/ClickHouse/pull/71500) ([李扬](https://github.com/taiyang-li)).
* Fix Date32 out of range caused by uninitialized ORC data. For more details, refer to https://github.com/apache/incubator-gluten/issues/7823. [#71500](https://github.com/ClickHouse/ClickHouse/pull/71500) ([李扬](https://github.com/taiyang-li)).
* Fix counting column size in wide part for Dynamic and JSON types. [#71526](https://github.com/ClickHouse/ClickHouse/pull/71526) ([Pavel Kruglov](https://github.com/Avogar)).
* Analyzer fix when query inside materialized view uses IN with CTE. Closes [#65598](https://github.com/ClickHouse/ClickHouse/issues/65598). [#71538](https://github.com/ClickHouse/ClickHouse/pull/71538) ([Maksim Kita](https://github.com/kitaisreal)).
* Avoid crash when using a UDF in a constraint. [#71541](https://github.com/ClickHouse/ClickHouse/pull/71541) ([Raúl Marín](https://github.com/Algunenano)).
@ -152,13 +147,12 @@
* Don't transform constant set in predicates over partition columns in case of NOT IN operator. [#71695](https://github.com/ClickHouse/ClickHouse/pull/71695) ([Eduard Karacharov](https://github.com/korowa)).
* Fix docker init script fail log message for more clean understanding. [#71734](https://github.com/ClickHouse/ClickHouse/pull/71734) ([Андрей](https://github.com/andreineustroev)).
* Fix CAST from LowCardinality(Nullable) to Dynamic. Previously it could lead to error `Bad cast from type DB::ColumnVector<int> to DB::ColumnNullable`. [#71742](https://github.com/ClickHouse/ClickHouse/pull/71742) ([Pavel Kruglov](https://github.com/Avogar)).
* Acquiring zero-copy shared lock before moving a part to zero-copy disk to prevent possible data loss if Keeper is unavailable. [#71845](https://github.com/ClickHouse/ClickHouse/pull/71845) ([Aleksei Filatov](https://github.com/aalexfvk)).
* Fix exception for toDayOfWeek on WHERE condition with primary key of DateTime64 type. [#71849](https://github.com/ClickHouse/ClickHouse/pull/71849) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Fixed filling of defaults after parsing into sparse columns. [#71854](https://github.com/ClickHouse/ClickHouse/pull/71854) ([Anton Popov](https://github.com/CurtizJ)).
* Fix GROUPING function error when input is ALIAS on distributed table, close [#68602](https://github.com/ClickHouse/ClickHouse/issues/68602). [#71855](https://github.com/ClickHouse/ClickHouse/pull/71855) ([Vladimir Cherkasov](https://github.com/vdimir)).
* Fix possible crash when using `allow_experimental_join_condition`, close [#71693](https://github.com/ClickHouse/ClickHouse/issues/71693). [#71857](https://github.com/ClickHouse/ClickHouse/pull/71857) ([Vladimir Cherkasov](https://github.com/vdimir)).
* Fixed select statements that use `WITH TIES` clause which might not return enough rows. [#71886](https://github.com/ClickHouse/ClickHouse/pull/71886) ([wxybear](https://github.com/wxybear)).
* Fix an exception of TOO_LARGE_ARRAY_SIZE caused when a column of arrayWithConstant evaluation is mistaken to cross the array size limit. [#71894](https://github.com/ClickHouse/ClickHouse/pull/71894) ([Udi](https://github.com/udiz)).
* Fix the TOO_LARGE_ARRAY_SIZE exception caused when a column of arrayWithConstant evaluation is mistaken to cross the array size limit. [#71894](https://github.com/ClickHouse/ClickHouse/pull/71894) ([Udi](https://github.com/udiz)).
* `clickhouse-benchmark` reported wrong metrics for queries taking longer than one second. [#71898](https://github.com/ClickHouse/ClickHouse/pull/71898) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix data race between the progress indicator and the progress table in clickhouse-client. This issue is visible when FROM INFILE is used. Intercept keystrokes during INSERT queries to toggle progress table display. [#71901](https://github.com/ClickHouse/ClickHouse/pull/71901) ([Julia Kartseva](https://github.com/jkartseva)).
* Use auxiliary keepers for cluster autodiscovery. [#71911](https://github.com/ClickHouse/ClickHouse/pull/71911) ([Anton Ivashkin](https://github.com/ianton-ru)).
@ -172,6 +166,8 @@
* Fixes RIGHT / FULL joins in queries with parallel replicas. Now, RIGHT joins can be executed with parallel replicas (right table reading is distributed). FULL joins can't be parallelized among nodes, - executed locally. [#71162](https://github.com/ClickHouse/ClickHouse/pull/71162) ([Igor Nikonov](https://github.com/devcrafter)).
* Fix the issue where ClickHouse in Docker containers printed "get_mempolicy: Operation not permitted" into stderr due to restricted syscalls. [#70900](https://github.com/ClickHouse/ClickHouse/pull/70900) ([filimonov](https://github.com/filimonov)).
* Fix the metadata_version record in ZooKeeper in restarting thread rather than in attach thread. [#70297](https://github.com/ClickHouse/ClickHouse/pull/70297) ([Miсhael Stetsyuk](https://github.com/mstetsyuk)).
* This is a fix for "zero-copy" replication, which is unsupported and will be removed entirely. Don't delete a blob when there are nodes using it in ReplicatedMergeTree with zero-copy replication. [#71186](https://github.com/ClickHouse/ClickHouse/pull/71186) ([Antonio Andelic](https://github.com/antonio2368)).
* This is a fix for "zero-copy" replication, which is unsupported and will be removed entirely. Acquiring zero-copy shared lock before moving a part to zero-copy disk to prevent possible data loss if Keeper is unavailable. [#71845](https://github.com/ClickHouse/ClickHouse/pull/71845) ([Aleksei Filatov](https://github.com/aalexfvk)).
### <a id="2410"></a> ClickHouse release 24.10, 2024-10-31