PostgreSQL 14.2, 13.6, 12.10, 11.15 and 10.20 releases

PostgreSQL The global development team has released an update for all currently supported versions , The version includes ：PostgreSQL 14.2, 13.6, 12.10, 11.15 and 10.20. This update fixes more than 55 A mistake , See the release notes Get a complete list of changes .

The problems listed below will affect  PostgreSQL 14, Some of these problems may also affect other supported PostgreSQL edition ：

• Fixed in VACUUM period HOT (heap-only tuple)  Low probability of index corruption when the chain changes state . Although it is unlikely to encounter this kind of problem , But if you worry , Consider re indexing .
• Repair in  TOAST  Use on table index REINDEX CONCURRENTLY To prevent damage , By re indexing They fix anything TOAST Indexes .
• psql \password The command now defaults to  CURRENT_USER Set the password for the defined role . Besides , The role name is now included in the password prompt .
• Build extended statistics for partitioned tables . If you previously added extended statistics to the partitioned table , You should run on these tables ANALYZE. because autovacuum Partition table is not processed at present , Therefore, you must run on any partition table regularly ANALYZE To update its statistics .
• Fix when statistical objects are deleted at the same time ALTER STATISTICS The collapse of the .
• Fix when extracting variable length data types The problem of multiple range crashes .
• Several fixes to query planners that lead to incorrect query results .
• Yes  query plan memoization  Some repairs of
• Fix the start of the physical copy to tolerate transactions ID around
• When using logical replication , When publishing includes child tables and parent tables , Avoid repeatedly transferring data of partition table .
• When the row type of a partitioned table is used as a composite type elsewhere , It is not allowed to change the data type of the partitioned table column .
• Don't allow ALTER TABLE ... DROP NOT NULL Columns that are part of the replica identity index .
• Multiple cache repairs , Corrects logical replication behavior and improves performance .
• Fix memory leak when updating expression index .
• To avoid the REASSIGN OWNED BY Memory leakage during operation , These operations reassign ownership of many objects .
• The fix appears in INSERT ... VALUES Display of the entire line of variables in the rule .
• Fix may result in inability to localize in multithreaded use libpq or ecpglib Competitive conditions of error messages reported in the early stage .
• Fix the command used to identify the parent trigger  psql \d
• Repair when using terminal as data source or target Windows The fault on the computer . This has affected psql\copy Command and use  pg_recvlogical with -f -.
• Repair pg_dump --inserts  and  --column-inserts Schema to handle tables that contain generate and delete columns .
• correct postgres_fdw Handle the edge of asynchronous queries . These errors may cause crashes or incorrect results when trying to run a parallel scan of the foreign domain table .

Download address ：https://www.postgresql.org/download/