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### Table of Contents
**[ClickHouse release v23.4, 2023-04-26](#234)**<br/>
**[ClickHouse release v23.3 LTS, 2023-03-30](#233)**<br/>
**[ClickHouse release v23.2, 2023-02-23](#232)**<br/>
**[ClickHouse release v23.1, 2023-01-25](#231)**<br/>
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# 2023 Changelog
### <a id="234"></a> ClickHouse release 23.4 LTS, 2023-04-26
#### Backward Incompatible Change
* Formatter '%M' in function formatDateTime() now prints the month name instead of the minutes. This makes the behavior consistent with MySQL. The previous behavior can be restored using setting "formatdatetime_parsedatetime_m_is_month_name = 0". [#47246](https://github.com/ClickHouse/ClickHouse/pull/47246) ([Robert Schulze](https://github.com/rschu1ze)).
* This change makes sense only if you are using the virtual filesystem cache. If `path` in the virtual filesystem cache configuration is not empty and is not an absolute path, then it will be put in `<clickhouse server data directory>/caches/<path_from_cache_config>`. [#48784](https://github.com/ClickHouse/ClickHouse/pull/48784) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Primary/secondary indices and sorting keys with identical expressions are now rejected. This behavior can be disabled using setting `allow_suspicious_indices`. [#48536](https://github.com/ClickHouse/ClickHouse/pull/48536) ([凌涛](https://github.com/lingtaolf)).
#### New Feature
* Support new aggregate function `quantileGK`/`quantilesGK`, like [approx_percentile](https://spark.apache.org/docs/latest/api/sql/index.html#approx_percentile) in spark. Greenwald-Khanna algorithm refer to http://infolab.stanford.edu/~datar/courses/cs361a/papers/quantiles.pdf. [#46428](https://github.com/ClickHouse/ClickHouse/pull/46428) ([李扬](https://github.com/taiyang-li)).
* Add a statement `SHOW COLUMNS` which shows distilled information from system.columns. [#48017](https://github.com/ClickHouse/ClickHouse/pull/48017) ([Robert Schulze](https://github.com/rschu1ze)).
* Added `LIGHTWEIGHT` and `PULL` modifiers for `SYSTEM SYNC REPLICA` query. `LIGHTWEIGHT` version waits for fetches and drop-ranges only (merges and mutations are ignored). `PULL` version pulls new entries from ZooKeeper and does not wait for them. Fixes [#47794](https://github.com/ClickHouse/ClickHouse/issues/47794). [#48085](https://github.com/ClickHouse/ClickHouse/pull/48085) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Add `kafkaMurmurHash` function for compatibility with Kafka DefaultPartitioner. Closes [#47834](https://github.com/ClickHouse/ClickHouse/issues/47834). [#48185](https://github.com/ClickHouse/ClickHouse/pull/48185) ([Nikolay Degterinsky](https://github.com/evillique)).
* Allow to easily create a user with the same grants as the current user by using `GRANT CURRENT GRANTS`. [#48262](https://github.com/ClickHouse/ClickHouse/pull/48262) ([pufit](https://github.com/pufit)).
* Add statistical aggregate function `kolmogorovSmirnovTest`. Close [#48228](https://github.com/ClickHouse/ClickHouse/issues/48228). [#48325](https://github.com/ClickHouse/ClickHouse/pull/48325) ([FFFFFFFHHHHHHH](https://github.com/FFFFFFFHHHHHHH)).
* Added a `lost_part_count` column to the `system.replicas` table. The column value shows the total number of lost parts in the corresponding table. Value is stored in zookeeper and can be used instead of not persistent `ReplicatedDataLoss` profile event for monitoring. [#48526](https://github.com/ClickHouse/ClickHouse/pull/48526) ([Sergei Trifonov](https://github.com/serxa)).
* Add `soundex` function for compatibility. Closes [#39880](https://github.com/ClickHouse/ClickHouse/issues/39880). [#48567](https://github.com/ClickHouse/ClickHouse/pull/48567) ([FriendLey](https://github.com/FriendLey)).
* Support `Map` type for JSONExtract. [#48629](https://github.com/ClickHouse/ClickHouse/pull/48629) ([李扬](https://github.com/taiyang-li)).
* Add `PrettyJSONEachRow` format to output pretty JSON with new line delimieters and 4 space indents. [#48898](https://github.com/ClickHouse/ClickHouse/pull/48898) ([Kruglov Pavel](https://github.com/Avogar)).
* Add `ParquetMetadata` input format to read Parquet file metadata. [#48911](https://github.com/ClickHouse/ClickHouse/pull/48911) ([Kruglov Pavel](https://github.com/Avogar)).
* Add `extractKeyValuePairs` function to extract key value pairs from strings. Input strings might contain noise (i.e log files / do not need to be 100% formatted in key-value-pair format), the algorithm will look for key value pairs matching the arguments passed to the function. As of now, function accepts the following arguments: `data_column` (mandatory), `key_value_pair_delimiter` (defaults to `:`), `pair_delimiters` (defaults to `\space \, \;`) and `quoting_character` (defaults to double quotes). [#43606](https://github.com/ClickHouse/ClickHouse/pull/43606) ([Arthur Passos](https://github.com/arthurpassos)).
* Functions replaceOne(), replaceAll(), replaceRegexpOne() and replaceRegexpAll() can now be called with non-const pattern and replacement arguments. [#46589](https://github.com/ClickHouse/ClickHouse/pull/46589) ([Robert Schulze](https://github.com/rschu1ze)).
* Added functions to work with columns of type `Map`: `mapConcat`, `mapSort`, `mapExists`. [#48071](https://github.com/ClickHouse/ClickHouse/pull/48071) ([Anton Popov](https://github.com/CurtizJ)).
#### Performance Improvement
* Reading files in `Parquet` format is now much faster. IO and decoding are parallelized (controlled by `max_threads` setting), and only required data ranges are read. [#47964](https://github.com/ClickHouse/ClickHouse/pull/47964) ([Michael Kolupaev](https://github.com/al13n321)).
* If we run a mutation with IN (subquery) like this: `ALTER TABLE t UPDATE col='new value' WHERE id IN (SELECT id FROM huge_table)` and the table `t` has multiple parts than for each part a set for subquery `SELECT id FROM huge_table` is built in memory. And if there are many parts then this might consume a lot of memory (and lead to an OOM) and CPU. The solution is to introduce a short-lived cache of sets that are currently being built by mutation tasks. If another task of the same mutation is executed concurrently it can lookup the set in the cache, wait for it to be built and reuse it. [#46835](https://github.com/ClickHouse/ClickHouse/pull/46835) ([Alexander Gololobov](https://github.com/davenger)).
* Only check dependencies if necessary when applying `ALTER TABLE` queries. [#48062](https://github.com/ClickHouse/ClickHouse/pull/48062) ([Raúl Marín](https://github.com/Algunenano)).
* Optimize function `mapUpdate`. [#48118](https://github.com/ClickHouse/ClickHouse/pull/48118) ([Anton Popov](https://github.com/CurtizJ)).
* Now an internal query to local replica is sent explicitly and data from it received through loopback interface. Setting `prefer_localhost_replica` is not respected for parallel replicas. This is needed for better scheduling and makes the code cleaner: the initiator is only responsible for coordinating of the reading process and merging results, continiously answering for requests while all the secondary queries read the data. Note: Using loopback interface is not so performant, otherwise some replicas could starve for tasks which could lead to even slower query execution and not utilizing all possible resources. The initialization of the coordinator is now even more lazy. All incoming requests contain the information about the reading algorithm we initialize the coordinator with it when first request comes. If any replica will decide to read with different algorithm - an exception will be thrown and a query will be aborted. [#48246](https://github.com/ClickHouse/ClickHouse/pull/48246) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Do not build set for the right side of `IN` clause with subquery when it is used only for analysis of skip indexes and they are disabled by setting (`use_skip_indexes=0`). Previously it might affect the performance of queries. [#48299](https://github.com/ClickHouse/ClickHouse/pull/48299) ([Anton Popov](https://github.com/CurtizJ)).
* Query processing is parallelized right after reading `FROM file(...)`. Related to [#38755](https://github.com/ClickHouse/ClickHouse/issues/38755). [#48525](https://github.com/ClickHouse/ClickHouse/pull/48525) ([Igor Nikonov](https://github.com/devcrafter)).
* Query processing is parallelized right after reading from a data source. Affected data sources are mostly simple or external storages like table functions `url`, `file`. [#48727](https://github.com/ClickHouse/ClickHouse/pull/48727) ([Igor Nikonov](https://github.com/devcrafter)).
* Lowered contention of ThreadPool mutex (may increase performance for a huge amount of small jobs). [#48750](https://github.com/ClickHouse/ClickHouse/pull/48750) ([Sergei Trifonov](https://github.com/serxa)).
* Reduce memory usage for multiple `ALTER DELETE` mutations. [#48522](https://github.com/ClickHouse/ClickHouse/pull/48522) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Remove the excessive connection attempts if the `skip_unavailable_shards` setting is enabled. [#48771](https://github.com/ClickHouse/ClickHouse/pull/48771) ([Azat Khuzhin](https://github.com/azat)).
#### Experimental Feature
* Entries in the query cache are now squashed to max_block_size and compressed. [#45912](https://github.com/ClickHouse/ClickHouse/pull/45912) ([Robert Schulze](https://github.com/rschu1ze)).
* It is now possible to define per-user quotas in the query cache. [#48284](https://github.com/ClickHouse/ClickHouse/pull/48284) ([Robert Schulze](https://github.com/rschu1ze)).
* Some fixes for parallel replicas [#48433](https://github.com/ClickHouse/ClickHouse/pull/48433) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Implement zero-copy-replication (an experimental feature) on encrypted disks. [#48741](https://github.com/ClickHouse/ClickHouse/pull/48741) ([Vitaly Baranov](https://github.com/vitlibar)).
#### Improvement
* Increase default value for `connect_timeout_with_failover_ms` to 1000 ms (because of adding async connections in https://github.com/ClickHouse/ClickHouse/pull/47229) . Closes [#5188](https://github.com/ClickHouse/ClickHouse/issues/5188). [#49009](https://github.com/ClickHouse/ClickHouse/pull/49009) ([Kruglov Pavel](https://github.com/Avogar)).
* Several improvements around data lakes: - Make `Iceberg` work with non-partitioned data. - Support `Iceberg` format version v2 (previously only v1 was supported) - Support reading partitioned data for `DeltaLake`/`Hudi` - Faster reading of `DeltaLake` metadata by using Delta's checkpoint files - Fixed incorrect `Hudi` reads: previously it incorrectly chose which data to read and therefore was able to read correctly only small size tables - Made these engines to pickup updates of changed data (previously the state was set on table creation) - Make proper testing for `Iceberg`/`DeltaLake`/`Hudi` using spark. [#47307](https://github.com/ClickHouse/ClickHouse/pull/47307) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Add async connection to socket and async writing to socket. Make creating connections and sending query/external tables async across shards. Refactor code with fibers. Closes [#46931](https://github.com/ClickHouse/ClickHouse/issues/46931). We will be able to increase `connect_timeout_with_failover_ms` by default after this PR (https://github.com/ClickHouse/ClickHouse/issues/5188). [#47229](https://github.com/ClickHouse/ClickHouse/pull/47229) ([Kruglov Pavel](https://github.com/Avogar)).
* Support config sections `keeper`/`keeper_server` as an alternative to `zookeeper`. Close [#34766](https://github.com/ClickHouse/ClickHouse/issues/34766) , [#34767](https://github.com/ClickHouse/ClickHouse/issues/34767). [#35113](https://github.com/ClickHouse/ClickHouse/pull/35113) ([李扬](https://github.com/taiyang-li)).
* It is possible to set _secure_ flag in named_collections for a dictionary with a ClickHouse table source. Addresses [#38450](https://github.com/ClickHouse/ClickHouse/issues/38450) . [#46323](https://github.com/ClickHouse/ClickHouse/pull/46323) ([Ilya Golshtein](https://github.com/ilejn)).
* `bitCount` function support `FixedString` and `String` data type. [#49044](https://github.com/ClickHouse/ClickHouse/pull/49044) ([flynn](https://github.com/ucasfl)).
* Added configurable retries for all operations with [Zoo]Keeper for Backup queries. [#47224](https://github.com/ClickHouse/ClickHouse/pull/47224) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Enable `use_environment_credentials` for S3 by default, so the entire provider chain is constructed by default. [#47397](https://github.com/ClickHouse/ClickHouse/pull/47397) ([Antonio Andelic](https://github.com/antonio2368)).
* Currently, the JSON_VALUE function is similar as spark's get_json_object function, which support to get value from json string by a path like '$.key'. But still has something different - 1. in spark's get_json_object will return null while the path is not exist, but in JSON_VALUE will return empty string; - 2. in spark's get_json_object will return a complext type value, such as a json object/array value, but in JSON_VALUE will return empty string. [#47494](https://github.com/ClickHouse/ClickHouse/pull/47494) ([KevinyhZou](https://github.com/KevinyhZou)).
* For `use_structure_from_insertion_table_in_table_functions` more flexible insert table structure propagation to table function. Fixed an issue with name mapping and using virtual columns. No more need for 'auto' setting. [#47962](https://github.com/ClickHouse/ClickHouse/pull/47962) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Do not continue retrying to connect to ZK if the query is killed or over limits. [#47985](https://github.com/ClickHouse/ClickHouse/pull/47985) ([Raúl Marín](https://github.com/Algunenano)).
* Support Enum output/input in `BSONEachRow`, allow all map key types and avoid extra calculations on output. [#48122](https://github.com/ClickHouse/ClickHouse/pull/48122) ([Kruglov Pavel](https://github.com/Avogar)).
* Support more ClickHouse types in `ORC`/`Arrow`/`Parquet` formats: Enum(8|16), (U)Int(128|256), Decimal256 (for ORC), allow reading IPv4 from Int32 values (ORC outputs IPv4 as Int32 and we couldn't read it back), fix reading Nullable(IPv6) from binary data for `ORC`. [#48126](https://github.com/ClickHouse/ClickHouse/pull/48126) ([Kruglov Pavel](https://github.com/Avogar)).
* Add columns `perform_ttl_move_on_insert`, `load_balancing` for table `system.storage_policies`, modify column `volume_type` type to `Enum8`. [#48167](https://github.com/ClickHouse/ClickHouse/pull/48167) ([lizhuoyu5](https://github.com/lzydmxy)).
* Added support for `BACKUP ALL` command which backups all tables and databases, including temporary and system ones. [#48189](https://github.com/ClickHouse/ClickHouse/pull/48189) ([Vitaly Baranov](https://github.com/vitlibar)).
* Function mapFromArrays supports `Map` type as an input. [#48207](https://github.com/ClickHouse/ClickHouse/pull/48207) ([李扬](https://github.com/taiyang-li)).
* The output of some SHOW PROCESSLIST is now sorted. [#48241](https://github.com/ClickHouse/ClickHouse/pull/48241) ([Robert Schulze](https://github.com/rschu1ze)).
* Per-query/per-server throttling for remote IO/local IO/BACKUPs (server settings: `max_remote_read_network_bandwidth_for_server`, `max_remote_write_network_bandwidth_for_server`, `max_local_read_bandwidth_for_server`, `max_local_write_bandwidth_for_server`, `max_backup_bandwidth_for_server`, settings: `max_remote_read_network_bandwidth`, `max_remote_write_network_bandwidth`, `max_local_read_bandwidth`, `max_local_write_bandwidth`, `max_backup_bandwidth`). [#48242](https://github.com/ClickHouse/ClickHouse/pull/48242) ([Azat Khuzhin](https://github.com/azat)).
* Support more types in `CapnProto` format: Map, (U)Int(128|256), Decimal(128|256). Allow integer conversions during input/output. [#48257](https://github.com/ClickHouse/ClickHouse/pull/48257) ([Kruglov Pavel](https://github.com/Avogar)).
* Don't throw CURRENT_WRITE_BUFFER_IS_EXHAUSTED for normal behaviour. [#48288](https://github.com/ClickHouse/ClickHouse/pull/48288) ([Raúl Marín](https://github.com/Algunenano)).
* Add new setting `keeper_map_strict_mode` which enforces extra guarantees on operations made on top of `KeeperMap` tables. [#48293](https://github.com/ClickHouse/ClickHouse/pull/48293) ([Antonio Andelic](https://github.com/antonio2368)).
* Check primary key type for simple dictionary is native unsigned integer type Add setting `check_dictionary_primary_key ` for compatibility(set `check_dictionary_primary_key =false` to disable checking). [#48335](https://github.com/ClickHouse/ClickHouse/pull/48335) ([lizhuoyu5](https://github.com/lzydmxy)).
* Don't replicate mutations for `KeeperMap` because it's unnecessary. [#48354](https://github.com/ClickHouse/ClickHouse/pull/48354) ([Antonio Andelic](https://github.com/antonio2368)).
* Allow write/read unnamed tuple as nested Message in Protobuf format. Tuple elements and Message fields are mathced by position. [#48390](https://github.com/ClickHouse/ClickHouse/pull/48390) ([Kruglov Pavel](https://github.com/Avogar)).
* Support `additional_table_filters` and `additional_result_filter` settings in the new planner. Also, add a documentation entry for `additional_result_filter`. [#48405](https://github.com/ClickHouse/ClickHouse/pull/48405) ([Dmitry Novik](https://github.com/novikd)).
* `parseDateTime` now understands format string '%f' (fractional seconds). [#48420](https://github.com/ClickHouse/ClickHouse/pull/48420) ([Robert Schulze](https://github.com/rschu1ze)).
* Format string "%f" in formatDateTime() now prints "000000" if the formatted value has no fractional seconds, the previous behavior (single zero) can be restored using setting "formatdatetime_f_prints_single_zero = 1". [#48422](https://github.com/ClickHouse/ClickHouse/pull/48422) ([Robert Schulze](https://github.com/rschu1ze)).
* Don't replicate DELETE and TRUNCATE for KeeperMap. [#48434](https://github.com/ClickHouse/ClickHouse/pull/48434) ([Antonio Andelic](https://github.com/antonio2368)).
* Generate valid Decimals and Bools in generateRandom function. [#48436](https://github.com/ClickHouse/ClickHouse/pull/48436) ([Kruglov Pavel](https://github.com/Avogar)).
* Allow trailing commas in expression list of SELECT query, for example `SELECT a, b, c, FROM table`. Closes [#37802](https://github.com/ClickHouse/ClickHouse/issues/37802). [#48438](https://github.com/ClickHouse/ClickHouse/pull/48438) ([Nikolay Degterinsky](https://github.com/evillique)).
* Override `CLICKHOUSE_USER` and `CLICKHOUSE_PASSWORD` environment variables with `--user` and `--password` client parameters. Closes [#38909](https://github.com/ClickHouse/ClickHouse/issues/38909). [#48440](https://github.com/ClickHouse/ClickHouse/pull/48440) ([Nikolay Degterinsky](https://github.com/evillique)).
* Added retries to loading of data parts in `MergeTree` tables in case of retryable errors. [#48442](https://github.com/ClickHouse/ClickHouse/pull/48442) ([Anton Popov](https://github.com/CurtizJ)).
* Add support for `Date`, `Date32`, `DateTime`, `DateTime64` data types to `arrayMin`, `arrayMax`, `arrayDifference` functions. Closes [#21645](https://github.com/ClickHouse/ClickHouse/issues/21645). [#48445](https://github.com/ClickHouse/ClickHouse/pull/48445) ([Nikolay Degterinsky](https://github.com/evillique)).
* Add support for `{server_uuid}` macro. It is useful for identifying replicas in autoscaled clusters when new replicas are constantly added and removed in runtime. This closes [#48554](https://github.com/ClickHouse/ClickHouse/issues/48554). [#48563](https://github.com/ClickHouse/ClickHouse/pull/48563) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* The installation script will create a hard link instead of copying if it is possible. [#48578](https://github.com/ClickHouse/ClickHouse/pull/48578) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Support `SHOW TABLE` syntax meaning the same as `SHOW CREATE TABLE`. Closes [#48580](https://github.com/ClickHouse/ClickHouse/issues/48580). [#48591](https://github.com/ClickHouse/ClickHouse/pull/48591) ([flynn](https://github.com/ucasfl)).
* HTTP temporary buffers now support working by evicting data from the virtual filesystem cache. [#48664](https://github.com/ClickHouse/ClickHouse/pull/48664) ([Vladimir C](https://github.com/vdimir)).
* Make Schema inference works for `CREATE AS SELECT`. Closes [#47599](https://github.com/ClickHouse/ClickHouse/issues/47599). [#48679](https://github.com/ClickHouse/ClickHouse/pull/48679) ([flynn](https://github.com/ucasfl)).
* Added a `replicated_max_mutations_in_one_entry` setting for `ReplicatedMergeTree` that allows limiting the number of mutation commands per one `MUTATE_PART` entry (default is 10000). [#48731](https://github.com/ClickHouse/ClickHouse/pull/48731) ([Alexander Tokmakov](https://github.com/tavplubix)).
* In AggregateFunction types, don't count unused arena bytes as `read_bytes`. [#48745](https://github.com/ClickHouse/ClickHouse/pull/48745) ([Raúl Marín](https://github.com/Algunenano)).
* Fix some MySQL-related settings not being handled with the MySQL dictionary source + named collection. Closes [#48402](https://github.com/ClickHouse/ClickHouse/issues/48402). [#48759](https://github.com/ClickHouse/ClickHouse/pull/48759) ([Kseniia Sumarokova](https://github.com/kssenii)).
* If a user set `max_single_part_upload_size` to a very large value, it can lead to a crash due to a bug in the AWS S3 SDK. This fixes [#47679](https://github.com/ClickHouse/ClickHouse/issues/47679). [#48816](https://github.com/ClickHouse/ClickHouse/pull/48816) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix data race in `RabbitMQ` ([report](https://pastila.nl/?004f7100/de1505289ab5bb355e67ebe6c7cc8707)), refactor the code. [#48845](https://github.com/ClickHouse/ClickHouse/pull/48845) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Add aliases `name` and `part_name` form `system.parts` and `system.part_log`. Closes [#48718](https://github.com/ClickHouse/ClickHouse/issues/48718). [#48850](https://github.com/ClickHouse/ClickHouse/pull/48850) ([sichenzhao](https://github.com/sichenzhao)).
* Functions "arrayDifferenceSupport()", "arrayCumSum()" and "arrayCumSumNonNegative()" now support input arrays of wide integer types (U)Int128/256. [#48866](https://github.com/ClickHouse/ClickHouse/pull/48866) ([cluster](https://github.com/infdahai)).
* Multi-line history in clickhouse-client is now no longer padded. This makes pasting more natural. [#48870](https://github.com/ClickHouse/ClickHouse/pull/48870) ([Joanna Hulboj](https://github.com/jh0x)).
* Implement a slight improvement for the rare case when ClickHouse is run inside LXC and LXCFS is used. The LXCFS has an issue: sometimes it returns an error "Transport endpoint is not connected" on reading from the file inside `/proc`. This error was correctly logged into ClickHouse's server log. We have additionally workaround this issue by reopening a file. This is a minuscule change. [#48922](https://github.com/ClickHouse/ClickHouse/pull/48922) ([Real](https://github.com/RunningXie)).
* Improve memory accounting for prefetches. Randomise prefetch settings In CI. [#48973](https://github.com/ClickHouse/ClickHouse/pull/48973) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Correctly set headers for native copy operations on GCS. [#48981](https://github.com/ClickHouse/ClickHouse/pull/48981) ([Antonio Andelic](https://github.com/antonio2368)).
* Add support for specifying setting names in the command line with dashes instead of underscores, for example, `--max-threads` instead of `--max_threads`. Additionally, support Unicode dash characters like `—` instead of `--` - this is useful when you communicate with a team in another company, and a manager from that team copy-pasted code from MS Word. [#48985](https://github.com/ClickHouse/ClickHouse/pull/48985) ([alekseygolub](https://github.com/alekseygolub)).
* Add fallback to password authentication when authentication with SSL user certificate has failed. Closes [#48974](https://github.com/ClickHouse/ClickHouse/issues/48974). [#48989](https://github.com/ClickHouse/ClickHouse/pull/48989) ([Nikolay Degterinsky](https://github.com/evillique)).
* Improve the embedded dashboard. Close [#46671](https://github.com/ClickHouse/ClickHouse/issues/46671). [#49036](https://github.com/ClickHouse/ClickHouse/pull/49036) ([Kevin Zhang](https://github.com/Kinzeng)).
* Add profile events for log messages, so you can easily see the count of log messages by severity. [#49042](https://github.com/ClickHouse/ClickHouse/pull/49042) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* In previous versions, the `LineAsString` format worked inconsistently when the parallel parsing was enabled or not, in presence of DOS or MacOS Classic line breaks. This closes [#49039](https://github.com/ClickHouse/ClickHouse/issues/49039). [#49052](https://github.com/ClickHouse/ClickHouse/pull/49052) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* The exception message about the unparsed query parameter will also tell about the name of the parameter. Reimplement [#48878](https://github.com/ClickHouse/ClickHouse/issues/48878). Close [#48772](https://github.com/ClickHouse/ClickHouse/issues/48772). [#49061](https://github.com/ClickHouse/ClickHouse/pull/49061) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
#### Build/Testing/Packaging Improvement
* Update time zones. The following were updated: Africa/Cairo, Africa/Casablanca, Africa/El_Aaiun, America/Bogota, America/Cambridge_Bay, America/Ciudad_Juarez, America/Godthab, America/Inuvik, America/Iqaluit, America/Nuuk, America/Ojinaga, America/Pangnirtung, America/Rankin_Inlet, America/Resolute, America/Whitehorse, America/Yellowknife, Asia/Gaza, Asia/Hebron, Asia/Kuala_Lumpur, Asia/Singapore, Canada/Yukon, Egypt, Europe/Kirov, Europe/Volgograd, Singapore. [#48572](https://github.com/ClickHouse/ClickHouse/pull/48572) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Reduce the number of dependencies in the header files to speed up the build. [#47984](https://github.com/ClickHouse/ClickHouse/pull/47984) ([Dmitry Novik](https://github.com/novikd)).
* Randomize compression of marks and indices in tests. [#48286](https://github.com/ClickHouse/ClickHouse/pull/48286) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Bump internal ZSTD from 1.5.4 to 1.5.5. [#46797](https://github.com/ClickHouse/ClickHouse/pull/46797) ([Robert Schulze](https://github.com/rschu1ze)).
* Randomize vertical merges from compact to wide parts in tests. [#48287](https://github.com/ClickHouse/ClickHouse/pull/48287) ([Raúl Marín](https://github.com/Algunenano)).
* Support for CRC32 checksum in HDFS. Fix performance issues. [#48614](https://github.com/ClickHouse/ClickHouse/pull/48614) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Remove remainders of GCC support. [#48671](https://github.com/ClickHouse/ClickHouse/pull/48671) ([Robert Schulze](https://github.com/rschu1ze)).
* Add CI run with new analyzer infrastructure enabled. [#48719](https://github.com/ClickHouse/ClickHouse/pull/48719) ([Dmitry Novik](https://github.com/novikd)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* Fix system.query_views_log for MVs that are pushed from background threads [#46668](https://github.com/ClickHouse/ClickHouse/pull/46668) ([Azat Khuzhin](https://github.com/azat)).
* Fix several `RENAME COLUMN` bugs [#46946](https://github.com/ClickHouse/ClickHouse/pull/46946) ([alesapin](https://github.com/alesapin)).
* Fix minor hiliting issues in clickhouse-format [#47610](https://github.com/ClickHouse/ClickHouse/pull/47610) ([Natasha Murashkina](https://github.com/murfel)).
* Fix a bug in LLVM's libc++ leading to a crash for uploading parts to S3 which size is greater then INT_MAX [#47693](https://github.com/ClickHouse/ClickHouse/pull/47693) ([Azat Khuzhin](https://github.com/azat)).
* Fix overflow in the `sparkbar` function [#48121](https://github.com/ClickHouse/ClickHouse/pull/48121) ([Vladimir C](https://github.com/vdimir)).
* Fix race in S3 [#48190](https://github.com/ClickHouse/ClickHouse/pull/48190) ([Anton Popov](https://github.com/CurtizJ)).
* Disable JIT for aggregate functions due to inconsistent behavior [#48195](https://github.com/ClickHouse/ClickHouse/pull/48195) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix alter formatting (minor) [#48289](https://github.com/ClickHouse/ClickHouse/pull/48289) ([Natasha Murashkina](https://github.com/murfel)).
* Fix cpu usage in RabbitMQ (was worsened in 23.2 after [#44404](https://github.com/ClickHouse/ClickHouse/issues/44404)) [#48311](https://github.com/ClickHouse/ClickHouse/pull/48311) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Fix crash in EXPLAIN PIPELINE for Merge over Distributed [#48320](https://github.com/ClickHouse/ClickHouse/pull/48320) ([Azat Khuzhin](https://github.com/azat)).
* Fix serializing LowCardinality as Arrow dictionary [#48361](https://github.com/ClickHouse/ClickHouse/pull/48361) ([Kruglov Pavel](https://github.com/Avogar)).
* Reset downloader for cache file segment in TemporaryFileStream [#48386](https://github.com/ClickHouse/ClickHouse/pull/48386) ([Vladimir C](https://github.com/vdimir)).
* Fix possible SYSTEM SYNC REPLICA stuck in case of DROP/REPLACE PARTITION [#48391](https://github.com/ClickHouse/ClickHouse/pull/48391) ([Azat Khuzhin](https://github.com/azat)).
* Fix a startup error when loading a distributed table that depends on a dictionary [#48419](https://github.com/ClickHouse/ClickHouse/pull/48419) ([MikhailBurdukov](https://github.com/MikhailBurdukov)).
* Don't check dependencies when renaming system tables automatically [#48431](https://github.com/ClickHouse/ClickHouse/pull/48431) ([Raúl Marín](https://github.com/Algunenano)).
* Update only affected rows in KeeperMap storage [#48435](https://github.com/ClickHouse/ClickHouse/pull/48435) ([Antonio Andelic](https://github.com/antonio2368)).
* Fix possible segfault in the VFS cache [#48469](https://github.com/ClickHouse/ClickHouse/pull/48469) ([Kseniia Sumarokova](https://github.com/kssenii)).
* `toTimeZone` function throws an error when no constant string is provided [#48471](https://github.com/ClickHouse/ClickHouse/pull/48471) ([Jordi Villar](https://github.com/jrdi)).
* Fix logical error with IPv4 in Protobuf, add support for Date32 [#48486](https://github.com/ClickHouse/ClickHouse/pull/48486) ([Kruglov Pavel](https://github.com/Avogar)).
* "changed" flag in system.settings was calculated incorrectly for settings with multiple values [#48516](https://github.com/ClickHouse/ClickHouse/pull/48516) ([MikhailBurdukov](https://github.com/MikhailBurdukov)).
* Fix storage `Memory` with enabled compression [#48517](https://github.com/ClickHouse/ClickHouse/pull/48517) ([Anton Popov](https://github.com/CurtizJ)).
* Fix bracketed-paste mode messing up password input in the event of client reconnection [#48528](https://github.com/ClickHouse/ClickHouse/pull/48528) ([Michael Kolupaev](https://github.com/al13n321)).
* Fix nested map for keys of IP and UUID types [#48556](https://github.com/ClickHouse/ClickHouse/pull/48556) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Fix an uncaught exception in case of parallel loader for hashed dictionaries [#48571](https://github.com/ClickHouse/ClickHouse/pull/48571) ([Azat Khuzhin](https://github.com/azat)).
* The `groupArray` aggregate function correctly works for empty result over nullable types [#48593](https://github.com/ClickHouse/ClickHouse/pull/48593) ([lgbo](https://github.com/lgbo-ustc)).
* Fix bug in Keeper when a node is not created with scheme `auth` in ACL sometimes. [#48595](https://github.com/ClickHouse/ClickHouse/pull/48595) ([Aleksei Filatov](https://github.com/aalexfvk)).
* Allow IPv4 comparison operators with UInt [#48611](https://github.com/ClickHouse/ClickHouse/pull/48611) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).
* Fix possible error from cache [#48636](https://github.com/ClickHouse/ClickHouse/pull/48636) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Async inserts with empty data will no longer throw exception. [#48663](https://github.com/ClickHouse/ClickHouse/pull/48663) ([Anton Popov](https://github.com/CurtizJ)).
* Fix table dependencies in case of failed RENAME TABLE [#48683](https://github.com/ClickHouse/ClickHouse/pull/48683) ([Azat Khuzhin](https://github.com/azat)).
* If the primary key has duplicate columns (which is only possible for projections), in previous versions it might lead to a bug [#48838](https://github.com/ClickHouse/ClickHouse/pull/48838) ([Amos Bird](https://github.com/amosbird)).
* Fix for a race condition in ZooKeeper when joining send_thread/receive_thread [#48849](https://github.com/ClickHouse/ClickHouse/pull/48849) ([Alexander Gololobov](https://github.com/davenger)).
* Fix unexpected part name error when trying to drop a ignored detached part with zero copy replication [#48862](https://github.com/ClickHouse/ClickHouse/pull/48862) ([Michael Lex](https://github.com/mlex)).
* Fix reading `Date32` Parquet/Arrow column into not a `Date32` column [#48864](https://github.com/ClickHouse/ClickHouse/pull/48864) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix `UNKNOWN_IDENTIFIER` error while selecting from table with row policy and column with dots [#48976](https://github.com/ClickHouse/ClickHouse/pull/48976) ([Kruglov Pavel](https://github.com/Avogar)).
* Fix aggregation by empty nullable strings [#48999](https://github.com/ClickHouse/ClickHouse/pull/48999) ([LiuNeng](https://github.com/liuneng1994)).
### <a id="233"></a> ClickHouse release 23.3 LTS, 2023-03-30
#### Upgrade Notes

7
CMakeLists.txt
View File

@ -421,8 +421,11 @@ endif ()
set (CMAKE_POSTFIX_VARIABLE "CMAKE_${CMAKE_BUILD_TYPE_UC}_POSTFIX")
set (CMAKE_POSITION_INDEPENDENT_CODE OFF)
if (OS_LINUX AND NOT (ARCH_AARCH64 OR ARCH_S390X))
if (NOT SANITIZE)
set (CMAKE_POSITION_INDEPENDENT_CODE OFF)
endif()
if (OS_LINUX AND NOT (ARCH_AARCH64 OR ARCH_S390X) AND NOT SANITIZE)
# Slightly more efficient code can be generated
# It's disabled for ARM because otherwise ClickHouse cannot run on Android.
set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -fno-pie")

3
cmake/sanitize.cmake
View File

@ -33,8 +33,7 @@ if (SANITIZE)
# RelWithDebInfo, and downgrade optimizations to -O1 but not to -Og, to
# keep the binary size down.
# TODO: try compiling with -Og and with ld.gold.
set (MSAN_FLAGS "-fsanitize=memory -fsanitize-memory-use-after-dtor -fsanitize-memory-track-origins -fno-optimize-sibling-calls -fsanitize-blacklist=${CMAKE_SOURCE_DIR}/tests/msan_suppressions.txt")
set (MSAN_FLAGS "-fsanitize=memory -fsanitize-memory-use-after-dtor -fsanitize-memory-track-origins -fno-optimize-sibling-calls -fPIC -fpie -fsanitize-blacklist=${CMAKE_SOURCE_DIR}/tests/msan_suppressions.txt")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SAN_FLAGS} ${MSAN_FLAGS}")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SAN_FLAGS} ${MSAN_FLAGS}")

2
contrib/sysroot vendored

@ -1 +1 @@
Subproject commit f0081b2649b94837855f3bc7d05ef326b100bad8
Subproject commit e0d1b64da666afbfaa6f1ee0487c33f3fd2cd5cb

2
docs/en/operations/settings/constraints-on-settings.md
View File

@ -40,7 +40,7 @@ If the user tries to violate the constraints an exception is thrown and the sett
There are supported few types of constraints: `min`, `max`, `readonly` (with alias `const`) and `changeable_in_readonly`. The `min` and `max` constraints specify upper and lower boundaries for a numeric setting and can be used in combination. The `readonly` or `const` constraint specifies that the user cannot change the corresponding setting at all. The `changeable_in_readonly` constraint type allows user to change the setting within `min`/`max` range even if `readonly` setting is set to 1, otherwise settings are not allow to be changed in `readonly=1` mode. Note that `changeable_in_readonly` is supported only if `settings_constraints_replace_previous` is enabled:
``` xml
<access_control_improvements>
<settings_constraints_replace_previous>true<settings_constraints_replace_previous>
<settings_constraints_replace_previous>true</settings_constraints_replace_previous>
</access_control_improvements>
```

2
docs/en/operations/settings/settings.md
View File

@ -890,7 +890,7 @@ Write time that processor spent during execution/waiting for data to `system.pro
See also:
- [`system.processors_profile_log`](../../operations/system-tables/processors_profile_log.md#system-processors_profile_log)
- [`system.processors_profile_log`](../../operations/system-tables/processors_profile_log.md)
- [`EXPLAIN PIPELINE`](../../sql-reference/statements/explain.md#explain-pipeline)
## max_insert_block_size {#settings-max_insert_block_size}

4
docs/en/operations/system-tables/processors_profile_log.md
View File

@ -1,4 +1,4 @@
# system.processors_profile_log {#system-processors_profile_log}
# processors_profile_log
This table contains profiling on processors level (that you can find in [`EXPLAIN PIPELINE`](../../sql-reference/statements/explain.md#explain-pipeline)).
@ -73,4 +73,4 @@ Here you can see:
**See Also**
- [`EXPLAIN PIPELINE`](../../sql-reference/statements/explain.md#explain-pipeline)
- [`EXPLAIN PIPELINE`](../../sql-reference/statements/explain.md#explain-pipeline)

2
programs/server/config.xml
View File

@ -1293,7 +1293,7 @@
<!-- Path in ZooKeeper to store user-defined SQL functions created by the command CREATE FUNCTION.
If not specified they will be stored locally. -->
<!-- <user_defined_zookeeper_path>/clickhouse/user_defined<user_defined_zookeeper_path> -->
<!-- <user_defined_zookeeper_path>/clickhouse/user_defined</user_defined_zookeeper_path> -->
<!-- Uncomment if you want data to be compressed 30-100% better.
Don't do that if you just started using ClickHouse.

1
src/Common/ProfileEvents.cpp
View File

@ -10,6 +10,7 @@
M(InsertQuery, "Same as Query, but only for INSERT queries.") \
M(AsyncInsertQuery, "Same as InsertQuery, but only for asynchronous INSERT queries.") \
M(AsyncInsertBytes, "Data size in bytes of asynchronous INSERT queries.") \
M(AsyncInsertRows, "Number of rows inserted by asynchronous INSERT queries.") \
M(AsyncInsertCacheHits, "Number of times a duplicate hash id has been found in asynchronous INSERT hash id cache.") \
M(FailedQuery, "Number of failed queries.") \
M(FailedSelectQuery, "Same as FailedQuery, but only for SELECT queries.") \

5
src/Databases/PostgreSQL/DatabasePostgreSQL.cpp
View File

@ -17,6 +17,7 @@
#include <Databases/PostgreSQL/fetchPostgreSQLTableStructure.h>
#include <Common/quoteString.h>
#include <Common/filesystemHelpers.h>
#include <Common/logger_useful.h>
#include <filesystem>
namespace fs = std::filesystem;
@ -51,6 +52,7 @@ DatabasePostgreSQL::DatabasePostgreSQL(
, configuration(configuration_)
, pool(std::move(pool_))
, cache_tables(cache_tables_)
, log(&Poco::Logger::get("DatabasePostgreSQL(" + dbname_ + ")"))
{
cleaner_task = getContext()->getSchedulePool().createTask("PostgreSQLCleanerTask", [this]{ removeOutdatedTables(); });
cleaner_task->deactivate();
@ -192,7 +194,10 @@ StoragePtr DatabasePostgreSQL::fetchTable(const String & table_name, ContextPtr,
ColumnsDescription{columns_info->columns}, ConstraintsDescription{}, String{}, configuration.schema, configuration.on_conflict);
if (cache_tables)
{
LOG_TEST(log, "Cached table `{}`", table_name);
cached_tables[table_name] = storage;
}
return storage;
}

1
src/Databases/PostgreSQL/DatabasePostgreSQL.h
View File

@ -73,6 +73,7 @@ private:
mutable Tables cached_tables;
std::unordered_set<std::string> detached_or_dropped;
BackgroundSchedulePool::TaskHolder cleaner_task;
Poco::Logger * log;
String getTableNameForLogs(const String & table_name) const;

2
src/Interpreters/AsynchronousInsertLog.cpp
View File

@ -36,6 +36,7 @@ NamesAndTypesList AsynchronousInsertLogElement::getNamesAndTypes()
{"format", std::make_shared<DataTypeLowCardinality>(std::make_shared<DataTypeString>())},
{"query_id", std::make_shared<DataTypeString>()},
{"bytes", std::make_shared<DataTypeUInt64>()},
{"rows", std::make_shared<DataTypeUInt64>()},
{"exception", std::make_shared<DataTypeString>()},
{"status", type_status},
@ -71,6 +72,7 @@ void AsynchronousInsertLogElement::appendToBlock(MutableColumns & columns) const
columns[i++]->insert(insert_query.format);
columns[i++]->insert(query_id);
columns[i++]->insert(bytes);
columns[i++]->insert(rows);
columns[i++]->insert(exception);
columns[i++]->insert(status);

1
src/Interpreters/AsynchronousInsertLog.h
View File

@ -24,6 +24,7 @@ struct AsynchronousInsertLogElement
ASTPtr query;
String query_id;
UInt64 bytes{};
UInt64 rows{};
String exception;
Status status{};

6
src/Interpreters/AsynchronousInsertQueue.cpp
View File

@ -40,6 +40,7 @@ namespace ProfileEvents
{
extern const Event AsyncInsertQuery;
extern const Event AsyncInsertBytes;
extern const Event AsyncInsertRows;
extern const Event FailedAsyncInsertQuery;
}
@ -444,7 +445,8 @@ try
{
auto buffer = std::make_unique<ReadBufferFromString>(entry->bytes);
current_entry = entry;
total_rows += executor.execute(*buffer);
size_t num_rows = executor.execute(*buffer);
total_rows += num_rows;
chunk_info->offsets.push_back(total_rows);
/// Keep buffer, because it still can be used
@ -459,6 +461,7 @@ try
elem.query = key.query;
elem.query_id = entry->query_id;
elem.bytes = entry->bytes.size();
elem.rows = num_rows;
elem.exception = current_exception;
current_exception.clear();
@ -479,6 +482,7 @@ try
format->addBuffer(std::move(last_buffer));
auto insert_query_id = insert_context->getCurrentQueryId();
ProfileEvents::increment(ProfileEvents::AsyncInsertRows, total_rows);
auto finish_entries = [&]
{

4
src/Storages/DataLakes/StorageIceberg.h
View File

@ -5,7 +5,7 @@
#include <Storages/DataLakes/IcebergMetadataParser.h>
#include "config.h"
#if USE_AWS_S3
#if USE_AWS_S3 && USE_AVRO
#include <Storages/DataLakes/S3MetadataReader.h>
#include <Storages/StorageS3.h>
#endif
@ -18,7 +18,7 @@ struct StorageIcebergName
static constexpr auto name = "Iceberg";
};
#if USE_AWS_S3
#if USE_AWS_S3 && USE_AVRO
using StorageIcebergS3 = IStorageDataLake<StorageS3, StorageIcebergName, IcebergMetadataParser<StorageS3::Configuration, S3DataLakeMetadataReadHelper>>;
#endif

4
src/Storages/DataLakes/registerDataLakes.cpp
View File

@ -31,11 +31,15 @@ void registerStorageDeltaLake(StorageFactory & factory)
}
#endif
#if USE_AVRO /// StorageIceberg depending on Avro to parse metadata with Avro format.
void registerStorageIceberg(StorageFactory & factory)
{
REGISTER_DATA_LAKE_STORAGE(StorageIcebergS3, StorageIcebergName::name)
}
#endif
void registerStorageHudi(StorageFactory & factory)
{
REGISTER_DATA_LAKE_STORAGE(StorageHudiS3, StorageHudiName::name)

2
src/Storages/StoragePostgreSQL.cpp
View File

@ -397,7 +397,7 @@ StoragePostgreSQL::Configuration StoragePostgreSQL::processNamedCollectionResult
required_arguments.insert("table");
validateNamedCollection<ValidateKeysMultiset<ExternalDatabaseEqualKeysSet>>(
named_collection, required_arguments, {"schema", "on_conflict", "addresses_expr", "host", "hostname", "port"});
named_collection, required_arguments, {"schema", "on_conflict", "addresses_expr", "host", "hostname", "port", "use_tables_cache"});
configuration.addresses_expr = named_collection.getOrDefault<String>("addresses_expr", "");
if (configuration.addresses_expr.empty())

1
tests/ci/performance_comparison_check.py
View File

@ -142,6 +142,7 @@ if __name__ == "__main__":
.replace("(", "_")
.replace(")", "_")
.replace(",", "_")
.replace("/", "_")
)
docker_image = get_image_with_version(reports_path, IMAGE_NAME)

15
tests/ci/report.py
View File

@ -262,17 +262,20 @@ class ReportColorTheme:
ColorTheme = Tuple[str, str, str]
def _format_header(header, branch_name, branch_url=None):
result = " ".join([w.capitalize() for w in header.split(" ")])
def _format_header(
header: str, branch_name: str, branch_url: Optional[str] = None
) -> str:
# Following line does not lower CI->Ci and SQLancer->Sqlancer. It only
# capitalizes the first letter and doesn't touch the rest of the word
result = " ".join([w[0].upper() + w[1:] for w in header.split(" ") if w])
result = result.replace("Clickhouse", "ClickHouse")
result = result.replace("clickhouse", "ClickHouse")
if "ClickHouse" not in result:
result = "ClickHouse " + result
result += " for "
result = f"ClickHouse {result}"
if branch_url:
result += f'<a href="{branch_url}">{branch_name}</a>'
result = f'{result} for <a href="{branch_url}">{branch_name}</a>'
else:
result += branch_name
result = f"{result} for {branch_name}"
return result

7
tests/ci/upload_result_helper.py
View File

@ -59,9 +59,10 @@ def upload_results(
additional_files: List[str],
check_name: str,
) -> str:
s3_path_prefix = f"{pr_number}/{commit_sha}/" + check_name.lower().replace(
" ", "_"
).replace("(", "_").replace(")", "_").replace(",", "_")
normalized_check_name = check_name.lower()
for r in ((" ", "_"), ("(", "_"), (")", "_"), (",", "_"), ("/", "_")):
normalized_check_name = normalized_check_name.replace(*r)
s3_path_prefix = f"{pr_number}/{commit_sha}/{normalized_check_name}"
additional_urls = process_logs(
s3_client, additional_files, s3_path_prefix, test_results
)

4
tests/ci/workflow_jobs_lambda/app.py
View File

@ -284,7 +284,9 @@ def handler(event: dict, _: Any) -> dict:
wf_job["runner_group_name"] or "", # nullable
repo["full_name"],
)
logging.info("Got the next event: %s", workflow_job)
logging.info(
"Got the next event (private_repo=%s): %s", repo["private"], workflow_job
)
if repo["private"]:
workflow_job.anonimyze()

11
tests/integration/test_postgresql_database_engine/test.py
View File

@ -327,6 +327,17 @@ def test_predefined_connection_configuration(started_cluster):
node1.query(f"SELECT count() FROM postgres_database.test_table").rstrip()
== "100"
)
node1.query(
"""
DROP DATABASE postgres_database;
CREATE DATABASE postgres_database ENGINE = PostgreSQL(postgres1, use_tables_cache=1);
"""
)
assert (
node1.query(f"SELECT count() FROM postgres_database.test_table").rstrip()
== "100"
)
assert node1.contains_in_log("Cached table `test_table`")
node1.query("DROP DATABASE postgres_database")
cursor.execute(f"DROP TABLE test_table ")

15
tests/queries/0_stateless/02456_async_inserts_logs.reference
View File

@ -1,7 +1,10 @@
5
Values 21 1 Ok 1
t_async_inserts_logs JSONEachRow 39 1 Ok 1
t_async_inserts_logs Values 8 1 Ok 1
t_async_inserts_logs JSONEachRow 6 0 ParsingError 1
t_async_inserts_logs Values 6 0 ParsingError 1
t_async_inserts_logs Values 8 0 FlushError 1
Values 21 2 1 Ok 1
t_async_inserts_logs JSONEachRow 39 2 1 Ok 1
t_async_inserts_logs Values 8 1 1 Ok 1
t_async_inserts_logs JSONEachRow 6 0 0 ParsingError 1
t_async_inserts_logs Values 6 0 0 ParsingError 1
t_async_inserts_logs Values 8 1 0 FlushError 1
AsyncInsertBytes 1
AsyncInsertQuery 1
AsyncInsertRows 1

7
tests/queries/0_stateless/02456_async_inserts_logs.sh
View File

@ -30,10 +30,15 @@ ${CLICKHOUSE_CLIENT} -q "SELECT count() FROM t_async_inserts_logs"
${CLICKHOUSE_CLIENT} -q "SYSTEM FLUSH LOGS"
${CLICKHOUSE_CLIENT} -q "
SELECT table, format, bytes, empty(exception), status,
SELECT table, format, bytes, rows, empty(exception), status,
status = 'ParsingError' ? flush_time_microseconds = 0 : flush_time_microseconds > event_time_microseconds AS time_ok
FROM system.asynchronous_insert_log
WHERE database = '$CLICKHOUSE_DATABASE' OR query ILIKE 'INSERT INTO FUNCTION%$CLICKHOUSE_DATABASE%'
ORDER BY table, status, format"
${CLICKHOUSE_CLIENT} -q "DROP TABLE t_async_inserts_logs"
${CLICKHOUSE_CLIENT} -q "
SELECT event, value > 0 FROM system.events
WHERE event IN ('AsyncInsertQuery', 'AsyncInsertBytes', 'AsyncInsertRows')
ORDER BY event"