ClickHouse/docs/changelogs/v23.8.9.54-lts.md

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1	2024

2024 Changelog

ClickHouse release v23.8.9.54-lts (192a1d231f) FIXME as compared to v23.8.8.20-lts (5e012a03bf)

Improvement

• Backported in #57668: Output valid JSON/XML on excetpion during HTTP query execution. Add setting http_write_exception_in_output_format to enable/disable this behaviour (enabled by default). #52853 (Kruglov Pavel).
• Backported in #58491: Fix transfer query to MySQL compatible query. Fixes #57253. Fixes #52654. Fixes #56729. #56456 (flynn).
• Backported in #57238: Fetching a part waits when that part is fully committed on remote replica. It is better not send part in PreActive state. In case of zero copy this is mandatory restriction. #56808 (Sema Checherinda).
• Backported in #57655: Handle sigabrt case when getting PostgreSQl table structure with empty array. #57618 (Mike Kot (Михаил Кот)).

Build/Testing/Packaging Improvement

• Backported in #57582: Fix issue caught in https://github.com/docker-library/official-images/pull/15846. #57571 (Mikhail f. Shiryaev).

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

• Flatten only true Nested type if flatten_nested=1, not all Array(Tuple) #56132 (Kruglov Pavel).
• Fix ALTER COLUMN with ALIAS #56493 (Nikolay Degterinsky).
• Prevent incompatible ALTER of projection columns #56948 (Amos Bird).
• Fix segfault after ALTER UPDATE with Nullable MATERIALIZED column #57147 (Nikolay Degterinsky).
• Fix incorrect JOIN plan optimization with partially materialized normal projection #57196 (Amos Bird).
• Fix ReadonlyReplica metric for all cases #57267 (Antonio Andelic).
• Fix working with read buffers in StreamingFormatExecutor #57438 (Kruglov Pavel).
• bugfix: correctly parse SYSTEM STOP LISTEN TCP SECURE #57483 (joelynch).
• Ignore ON CLUSTER clause in grant/revoke queries for management of replicated access entities. #57538 (MikhailBurdukov).
• Disable system.kafka_consumers by default (due to possible live memory leak) #57822 (Azat Khuzhin).
• Fix invalid memory access in BLAKE3 (Rust) #57876 (Raúl Marín).
• Normalize function names in CREATE INDEX #57906 (Alexander Tokmakov).
• Fix invalid preprocessing on Keeper #58069 (Antonio Andelic).
• Fix Integer overflow in Poco::UTF32Encoding #58073 (Andrey Fedotov).
• Remove parallel parsing for JSONCompactEachRow #58181 (Alexey Milovidov).
• Fix parallel parsing for JSONCompactEachRow #58250 (Kruglov Pavel).

NO CL ENTRY

• NO CL ENTRY: 'Update PeekableWriteBuffer.cpp'. #57701 (Kruglov Pavel).

NOT FOR CHANGELOG / INSIGNIFICANT

• Pin alpine version of integration tests helper container #57669 (Mikhail f. Shiryaev).
• Remove heavy rust stable toolchain #57905 (Mikhail f. Shiryaev).
• Fix docker image for integration tests (fixes CI) #57952 (Azat Khuzhin).