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2022 Changelog
ClickHouse release v21.3.4.25-lts FIXME as compared to v21.3.3.14-lts
Bug Fix
- Backported in #21928: Fix Avro format parsing for Kafka. Fixes #21437. #21438 (Ilya Golshtein).
- Backported in #22089: In case if query has constant
WHERE
condition, and settingoptimize_skip_unused_shards
enabled, all shards may be skipped and query could return incorrect empty result. #21550 (Amos Bird). - Backported in #21793:
std::terminate
was called if there is an error writing data into s3. #21624 (Vladimir C). - Backported in #21746: Start accepting connections after DDLWorker and dictionaries initialization. #21676 (Azat Khuzhin).
- Backported in #21749: Fix concurrent
OPTIMIZE
andDROP
forReplicatedMergeTree
. #21716 (Azat Khuzhin). - Backported in #21878: Fix possible crashes in aggregate functions with combinator Distinct, while using two-level aggregation. This is a follow-up fix of https://github.com/ClickHouse/ClickHouse/pull/18365 . Can only reproduced in production env. No test case available yet. cc @CurtizJ. #21818 (Amos Bird).
- Backported in #22051: Fix deadlock in first catboost model execution. Closes #13832. #21844 (Kruglov Pavel).
- Backported in #21993: Fix wrong
ORDER BY
results when a query contains window functions, and optimization for reading in primary key order is applied. Fixes #21828. #21915 (Alexander Kuzmenkov). - Backported in #22180: Fix reading the HTTP POST request with "multipart/form-data" content type. #21936 (Ivan).
- Backported in #21982: Prevent hedged connections overlaps (
Unknown packet 9 from server
error). #21941 (Azat Khuzhin). - Backported in #21980: Reverted #15454 that may cause significant increase in memory usage while loading external dictionaries of hashed type. This closes #21935. #21948 (Maksim Kita).
- Backported in #22139: The function
decrypt
was lacking a check for the minimal size of data encrypted in AEAD mode. This closes #21897. #22064 (Alexey Milovidov). - Backported in #22185: Fix uncaught exception in InterserverIOHTTPHandler. #22146 (Azat Khuzhin).
- Backported in #22205: Use finalize() over next() for nested writers. #22147 (Azat Khuzhin).
NOT FOR CHANGELOG / INSIGNIFICANT
- LRUCache fix exception unsafe element insertion #21891 (Maksim Kita).
- 21.3: quick fix for broken resolution of apt.llvm.org on Yandex infra #22047 (Alexander Kuzmenkov).