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2022 Changelog
ClickHouse release v21.1.3.32-stable FIXME as compared to v21.1.2.15-stable
Bug Fix
- Backported in #19654: fix data type convert issue for mysql engine ... #18124 (bo zeng).
- Backported in #19423: Disable constant folding for subqueries on the analysis stage, when the result cannot be calculated. #18446 (Azat Khuzhin).
- Backported in #19458: Fixed
There is no checkpoint
error when inserting data through http interface usingTemplate
orCustomSeparated
format. Fixes #19021. #19072 (Alexander Tokmakov). - Backported in #19271: Fix bug when concurrent
ALTER
andDROP
queries may hang while processing ReplicatedMergeTree table. #19237 (alesapin). - Backported in #19425: Fix error
Cannot convert column now64() because it is constant but values of constants are different in source and result
. Continuation of #7156. #19316 (Nikolai Kochetov). - Backported in #19456: Fixed possible wrong result or segfault on aggregation when Materialized View and its target table have different structure. Fixes #18063. #19322 (Alexander Tokmakov).
- Backported in #19554: Fix system.parts _state column (LOGICAL_ERROR when querying this column, due to incorrect order). #19346 (Azat Khuzhin).
- Backported in #19506: Added
cast
,accurateCast
,accurateCastOrNull
performance tests. #19354 (Maksim Kita). - Backported in #19471: - Fix default value in join types with non-zero default (e.g. some Enums). Closes #18197. #19360 (Vladimir C).
- Backported in #19438: Fix possible buffer overflow in Uber H3 library. See https://github.com/uber/h3/issues/392. This closes #19219. #19383 (Alexey Milovidov).
- Backported in #19485: Uninitialized memory read was possible in encrypt/decrypt functions if empty string was passed as IV. This closes #19391. #19397 (Alexey Milovidov).
- Backported in #19615: Fixed very rare bug that might cause mutation to hang after
DROP/DETACH/REPLACE/MOVE PARTITION
. It was partially fixed by #15537 for the most cases. #19443 (Alexander Tokmakov). - Backported in #19507: Buffer overflow (on memory read) was possible if
addMonth
function was called with specifically crafted arguments. This fixes #19441. This fixes #19413. #19472 (Alexey Milovidov). - Backported in #19539: Fix SIGSEGV with merge_tree_min_rows_for_concurrent_read/merge_tree_min_bytes_for_concurrent_read=0/UINT64_MAX. #19528 (Azat Khuzhin).
- Backported in #19640: Query CREATE DICTIONARY id expression fix. #19571 (Maksim Kita).
- Backported in #19636:
DROP/DETACH TABLE table ON CLUSTER cluster SYNC
query might hang, it's fixed. Fixes #19568. #19572 (Alexander Tokmakov). - Backported in #19650: Fix use-after-free of the CompressedWriteBuffer in Connection after disconnect. #19599 (Azat Khuzhin).
- Backported in #19738: Fix wrong result of function
neighbor
forLowCardinality
argument. Fixes #10333. #19617 (Nikolai Kochetov). - Backported in #19700: Some functions with big integers may cause segfault. Big integers is experimental feature. This closes #19667. #19672 (Alexey Milovidov).
- Backported in #19742: Fix a segmentation fault in
bitmapAndnot
function. Fixes #19668. #19713 (Maksim Kita). - Backported in #19782: Fix crash when nested column name was used in
WHERE
orPREWHERE
. Fixes #19755. #19763 (Nikolai Kochetov). - Backported in #19870: Fixed stack overflow when using accurate comparison of arithmetic type with string type. #19773 (Alexander Tokmakov).
- Backported in #19814: In previous versions, unusual arguments for function arrayEnumerateUniq may cause crash or infinite loop. This closes #19787. #19788 (Alexey Milovidov).
- Backported in #19835: Fix filtering by UInt8 greater than 127. #19799 (Anton Popov).
- Backported in #19910: Fix crash when pushing down predicates to union distinct subquery. This fixes #19855. #19861 (Amos Bird).
- Backported in #19938: Deadlock was possible if system.text_log is enabled. This fixes #19874. #19875 (Alexey Milovidov).
- Backported in #19934: BloomFilter index crash fix. Fixes #19757. #19884 (Maksim Kita).
NOT FOR CHANGELOG / INSIGNIFICANT
- Update Dragonbox #19218 (Alexey Milovidov).