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ClickHouse/docs/changelogs/v21.1.7.1-stable.md

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1 2022

2022 Changelog

ClickHouse release v21.1.7.1-stable FIXME as compared to v21.1.6.13-stable

Bug Fix

  • Backported in #21261: fix default_replica_path and default_replica_name values are useless on Replicated(*)MergeTree engine when the engine needs specify other parameters. #21060 (mxzlxy).
  • Backported in #21155: fix bug related to cast tuple to map. Closes #21029. #21120 (hexiaoting).
  • Backported in #21233: Now mutations allowed only for table engines that support them (MergeTree family, Memory, MaterializedView). Other engines will report a more clear error. Fixes #21168. #21183 (alesapin).
  • Backported in #21428: Fix crash in EXPLAIN for query with UNION. Fixes #20876, #21170. #21246 (flynn).
  • Backported in #21408: Fix redundant reconnects to ZooKeeper and the possibility of two active sessions for a single clickhouse server. Both problems introduced in #14678. #21264 (alesapin).
  • Backported in #21549: Now ALTER MODIFY COLUMN queries will correctly affect changes in partition key, skip indices, TTLs, and so on. Fixes #13675. #21334 (alesapin).
  • Backported in #21377: Fix error Bad cast from type ... to DB::ColumnLowCardinality while inserting into table with LowCardinality column from Values format. Fixes #21140. #21357 (Nikolai Kochetov).