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2022 Changelog
ClickHouse release v21.6.4.26-stable FIXME as compared to v21.6.3.14-stable
Bug Fix
- Backported in #24969: Allow NULL values in postgresql protocol. Closes #22622. #24857 (Kseniia Sumarokova).
- Backported in #25186: Fixed bug with declaring S3 disk at root of bucket. Earlier, it reported an error: ``` [heather] 2021.05.10 02:11:11.932234 [ 72790 ] {2ff80b7b-ec53-41cb-ac35-19bb390e1759} executeQuery: Code: 36, e.displayText() = DB::Exception: Key name is empty in path style S3 URI: (http://172.17.0.2/bucket/) (version 21.6.1.1) (from 127.0.0.1:47994) (in query: SELECT policy_name FROM system.storage_policies), Stack trace (when copying this message, always include the lines below):. #24898 (Vladimir Chebotarev).
- Backported in #25023: Fix limit/offset settings for distributed queries (ignore on the remote nodes). #24940 (Azat Khuzhin).
- Backported in #25049: Fix extremely rare error
Tagging already tagged partin replication queue during concurrentalter move/replace partition. Possibly fixes #22142. #24961 (alesapin). - Backported in #25081: Fix wrong result when using aggregate projection with not empty
GROUP BYkey to execute query withGROUP BYby empty key. #25055 (Amos Bird). - Backported in #25107: Fix bug which allows creating tables with columns referencing themselves like
a UInt32 ALIAS a + 1orb UInt32 MATERIALIZED b. Fixes #24910, #24292. #25059 (alesapin). - Backported in #25106: Fix bug with constant maps in mapContains that lead to error
empty column was returned by function mapContains. Closes #25077. #25080 (Kruglov Pavel). - Backported in #25143: Fix crash in query with cross join and
joined_subquery_requires_alias = 0. Fixes #24011. #25082 (Nikolai Kochetov). - Backported in #25157: Fix possible parts loss after updating up to 21.5 in case table used
UUIDin partition key. (It is not recommended to useUUIDin partition key). Fixes #25070. #25127 (Nikolai Kochetov). - Backported in #25182: Do not use table's projection for
SELECTwithFINAL. It is not supported yet. #25163 (Amos Bird).
NOT FOR CHANGELOG / INSIGNIFICANT
- Try fix
test_consistent_parts_after_clone_replica#24968 (Alexander Tokmakov). - DictionaryLoader unnecessary dictionary configuration creation fix #25001 (Maksim Kita).