ClickHouse/docs/changelogs/v23.4.3.48-stable.md

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1	2023

2023 Changelog

ClickHouse release v23.4.3.48-stable (d9199f8d3c) FIXME as compared to v23.4.2.11-stable (b6442320f9)

Backward Incompatible Change

• Backported in #49981: Revert "groupArray returns cannot be nullable" (due to binary compatibility breakage for groupArray/groupArrayLast/groupArraySample over Nullable types, which likely will lead to TOO_LARGE_ARRAY_SIZE or CANNOT_READ_ALL_DATA). #49971 (Azat Khuzhin).

Bug Fix (user-visible misbehavior in an official stable release)

• Fix key not found error for queries with multiple StorageJoin #49137 (vdimir).
• Fix fuzz bug when subquery set is not built when reading from remote() #49425 (Alexander Gololobov).
• Fix postgres database setting #49481 (Mal Curtis).
• Fix AsynchronousReadIndirectBufferFromRemoteFS breaking on short seeks #49525 (Michael Kolupaev).
• Fix bug in DISTINCT #49628 (Alexey Milovidov).
• Fix assert in SpanHolder::finish() with fibers #49673 (Kruglov Pavel).
• Fix msan issue in randomStringUTF8() #49750 (Robert Schulze).
• fix is_prefix in OptimizeRegularExpression #49919 (Han Fei).
• Fix IPv6 encoding in protobuf #49933 (Yakov Olkhovskiy).
• Avoid deadlock when starting table in attach thread of ReplicatedMergeTree #50026 (Antonio Andelic).
• Fix assert in SpanHolder::finish() with fibers attempt 2 #50034 (Kruglov Pavel).
• JIT compilation not equals NaN fix #50056 (Maksim Kita).
• Fix crashing in case of Replicated database without arguments #50058 (Azat Khuzhin).
• Fix crash with multiIf and constant condition and nullable arguments #50123 (Anton Popov).
• Fix iceberg metadata parsing #50232 (Kseniia Sumarokova).
• Fix bugs in Poco sockets in non-blocking mode, use true non-blocking sockets #50252 (Kruglov Pavel).
• Fixed type conversion from Date/Date32 to DateTime64 when querying with DateTime64 index #50280 (Lucas Chang).
• Fix Keeper deadlock on exception when preprocessing requests. #50387 (frinkr).
• Fix Log family table return wrong rows count after truncate #50585 (flynn).
• Fix bug in uniqExact parallel merging #50590 (Nikita Taranov).
• Do not read all the columns from right GLOBAL JOIN table. #50721 (Nikolai Kochetov).

NOT FOR CHANGELOG / INSIGNIFICANT

• Improve CI: status commit, auth for get_gh_api #49388 (Mikhail f. Shiryaev).
• Update github.com/distribution/distribution #50114 (Mikhail f. Shiryaev).
• Catch issues with dockerd during the build #50700 (Mikhail f. Shiryaev).