ClickHouse/docs/changelogs/v24.5.2.34-stable.md

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1	2024

2024 Changelog

ClickHouse release v24.5.2.34-stable (45589aeee4) FIXME as compared to v24.5.1.1763-stable (647c154a94)

Improvement

• Backported in #65096: The setting allow_experimental_join_condition was accidentally marked as important which may prevent distributed queries in a mixed versions cluster from being executed successfully. #65008 (Nikita Mikhaylov).

Build/Testing/Packaging Improvement

• Backported in #65132: Decrease the unit-test image a few times. #65102 (Mikhail f. Shiryaev).

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

• Backported in #64729: Fixed CREATE TABLE AS queries for tables with default expressions. #64455 (Anton Popov).
• Backported in #65061: Fix the Expression nodes list expected 1 projection names and Unknown expression or identifier errors for queries with aliases to GLOBAL IN. Fixes #64445. #64517 (Nikolai Kochetov).
• Backported in #65088: Fix removing the WHERE and PREWHERE expressions, which are always true (for the new analyzer). Fixes #64575. #64695 (Nikolai Kochetov).
• Backported in #64944: Fix OrderByLimitByDuplicateEliminationVisitor across subqueries. #64766 (Raúl Marín).
• Backported in #64873: Fixed memory possible incorrect memory tracking in several kinds of queries: queries that read any data from S3, queries via http protocol, asynchronous inserts. #64844 (Anton Popov).
• Backported in #64984: Fix the Block structure mismatch error for queries reading with PREWHERE from the materialized view when the materialized view has columns of different types than the source table. Fixes #64611. #64855 (Nikolai Kochetov).
• Backported in #64976: Fix rare crash when table has TTL with subquery + database replicated + parallel replicas + analyzer. It's really rare, but please don't use TTLs with subqueries. #64858 (alesapin).
• Backported in #65074: Fix ALTER MODIFY COMMENT query that was broken for parameterized VIEWs in https://github.com/ClickHouse/ClickHouse/pull/54211. #65031 (Nikolay Degterinsky).
• Backported in #65179: Fix the Unknown expression identifier error for remote queries with INTERPOLATE (alias) (new analyzer). Fixes #64636. #65090 (Nikolai Kochetov).
• Backported in #65163: Fix pushing arithmetic operations out of aggregation. In the new analyzer, optimization was applied only once. Part of #62245. #65104 (Dmitry Novik).

Critical Bug Fix (crash, LOGICAL_ERROR, data loss, RBAC)

• Backported in #64882: This PR fixes an error when a user in a specific situation can escalate their privileges on the default database without necessary grants. #64769 (pufit).

NOT FOR CHANGELOG / INSIGNIFICANT

• Backported in #65002: Be more graceful with existing tables with inverted indexes. #64656 (Robert Schulze).
• Backported in #65115: Adjust the version_helper and script to a new release scheme. #64759 (Mikhail f. Shiryaev).
• Backported in #64796: Fix crash with DISTINCT and window functions. #64767 (Igor Nikonov).