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2022 Changelog
ClickHouse release v21.11.6.7-stable FIXME as compared to v21.11.5.33-stable
Bug Fix
- Backported in #32254: Fix skipping columns while writing protobuf. This PR fixes #31160, see the comment #31160#issuecomment-980595318. #31988 (Vitaly Baranov).
- Backported in #32345: Fix bug when remove unneeded columns in subquery. If there is an aggregation function in query without group by, do not remove if it is unneeded. #32289 (dongyifeng).
Bug Fix (user-visible misbehaviour in official stable release)
- Backported in #32152: Fix crash when function
dictGet
with type is used for dictionary attribute when type isNullable
. Fixes #30980. #31800 (Maksim Kita). - Backported in #32298: Fix recursive user defined functions crash. Closes #30856. #31820 (Maksim Kita).
- Backported in #32148: Fixed
Directory ... already exists and is not empty
error when detaching part. #32063 (Alexander Tokmakov). - Backported in #32212: Fix
CAST
fromNullable
withcast_keep_nullable
(PARAMETER_OUT_OF_BOUND
error before for i.e.toUInt32OrDefault(toNullable(toUInt32(1)))
). #32080 (Azat Khuzhin). - Backported in #32283: Dictionaries fix cases when
{condition}
does not work for custom database queries. #32117 (Maksim Kita). - Backported in #32482: Fix 'APPLY lambda' parsing which could lead to client/server crash. #32138 (Kruglov Pavel).
- Backported in #32217: Number of active replicas might be determined incorrectly when inserting with quorum if setting
replicated_can_become_leader
is disabled on some replicas. It's fixed. #32157 (Alexander Tokmakov). - Backported in #32311: XML dictionaries identifiers, used in table create query, can be qualified to
default_database
during upgrade to newer version. Closes #31963. #32187 (Maksim Kita). - Backported in #32354: Fixed crash with SIGFPE in aggregate function
avgWeighted
withDecimal
argument. Fixes #32053. #32303 (Alexander Tokmakov). - Backported in #32392: Fix
ALTER ... MATERIALIZE COLUMN ...
queries in case when data type of default expression is not equal to the data type of column. #32348 (Anton Popov). - Backported in #32418: Fixed the behavior when mutations that have nothing to do are stuck (with enabled setting
empty_result_for_aggregation_by_empty_set
). #32358 (Nikita Mikhaylov).
NO CL ENTRY
- NO CL ENTRY: 'Manual backport of #31766 into 21.11'. #32202 (Raúl Marín).
NOT FOR CHANGELOG / INSIGNIFICANT
- Fix data race in
removePartAndEnqueueFetch(...)
#32119 (Alexander Tokmakov). - Fix possible Pipeline stuck in case of StrictResize processor. #32270 (Nikolai Kochetov).