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2022 Changelog
ClickHouse release v21.3.16.5-lts FIXME as compared to v21.3.15.4-stable
Bug Fix
- Backported in #26940: Do not remove data on ReplicatedMergeTree table shutdown to avoid creating data to metadata inconsistency. #26716 (nvartolomei).
- Backported in #26983: Aggregate function parameters might be lost when applying some combinators causing exceptions like
Conversion from AggregateFunction(topKArray, Array(String)) to AggregateFunction(topKArray(10), Array(String)) is not supported
. It's fixed. Fixes #26196 and #26433. #26814 (Alexander Tokmakov). - Backported in #26998: Fix reading of custom TLDs (stops processing with lower buffer or bigger file). #26948 (Azat Khuzhin).
- Backported in #27088: Now partition ID in queries like
ALTER TABLE ... PARTITION ID xxx
validates for correctness. Fixes #25718. #26963 (alesapin). - Backported in #27049: [RFC] Fix possible mutation stack due to race with DROP_RANGE. #27002 (Azat Khuzhin).
- Backported in #27158: Fix synchronization in GRPCServer This PR fixes #27024. #27064 (Vitaly Baranov).
- Backported in #27368: - Fix uninitialized memory in functions
multiSearch*
with empty array, close #27169. #27181 (Vladimir C). - Backported in #27264: In rare cases
system.detached_parts
table might contain incorrect information for some parts, it's fixed. Fixes #27114. #27183 (Alexander Tokmakov). - Backported in #27413: Fixed incorrect validation of partition id for MergeTree tables that created with old syntax. #27328 (Alexander Tokmakov).
- Backported in #27645: Fix incorrect result for query with row-level security, prewhere and LowCardinality filter. Fixes #27179. #27329 (Nikolai Kochetov).
- Backported in #27473: fix metric BackgroundMessageBrokerSchedulePoolTask, maybe mistyped。. #27452 (Ben).
- Backported in #27864: Prevent crashes for some formats when NULL (tombstone) message was coming from Kafka. Closes #19255. #27794 (filimonov).
- Backported in #28207: Fix cases, when read buffer fails with 'attempt to read after end of file'. Closes #26149. #28150 (Filatenkov Artur).
Build/Testing/Packaging Improvement
- Backported in #28075: Temporarily switched ubuntu apt repository to mirror ru.archive.ubuntu.com as default one(archive.ubuntu.com) is not responding from our CI. #28016 (Ilya Yatsishin).
Bug Fix (user-visible misbehaviour in official stable release)
- Backported in #28181: Fixed possible excessive number of conditions moved from
WHERE
toPREWHERE
(optimization controlled by settingsoptimize_move_to_prewhere
). #28139 (lthaooo). - Backported in #28293: Fix inconsistent result in queries with
ORDER BY
andMerge
tables with enabled settingoptimize_read_in_order
. #28266 (Anton Popov).
NOT FOR CHANGELOG / INSIGNIFICANT
- Fix prometheus metric name #26140 (Vladimir C).
- Fix mysql_kill_sync_thread_restore_test #26673 (Vladimir C).
- Try fix rabbitmq tests #26826 (Kseniia Sumarokova).
- Update PVS checksum #27317 (Alexander Tokmakov).
- Fix race between REPLACE PARTITION and MOVE PARTITION #28035 (Alexander Tokmakov).
- Follow-up to #28016 #28036 (Alexander Tokmakov).
- Set version of tzlocal to 2.1 #28063 (Vitaly Baranov).
- Another try to fix BackgroundPoolTask decrement. #28353 (Nikolai Kochetov).
- More accurate check that zk root exists. #28412 (Nikolai Kochetov).