PostgreSQL 13.2 freeware
PostgreSQL has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. PostgreSQL runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64), and Windows.
|Author||PostgreSQL Global Development|
|OS||Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64|
|Installation||Instal And Uninstall|
|Keywords||relational database, database manager, query planner, relational, database, manager, Postgre SQL|
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|13.2||Feb 12, 2021||New Release|
|12.3||May 27, 2020||New Release||Fix possible failure with GENERATED columns (David Rowley). If a GENERATED column's value is an exact copy of another column of the table (and it is a pass-by-reference data type), it was possible to crash or insert corrupted data into the table. While it would be rather pointless for a GENERATED expression to just duplicate another column, an expression using a function that sometimes returns its input unchanged could create the situation.
Handle inheritance of generated columns better (Peter Eisentraut). When a table column is inherited during CREATE TABLE ... INHERITS, disallow changing any generation properties when the parent column is already marked GENERATED; but allow a child column to be marked GENERATED when its parent is not.
|12.1||Nov 15, 2019||New Release||A dump/restore is not required for those running 12.X.
Fix crash when ALTER TABLE adds a column without a default value along with making other changes that require a table rewrite (Andres Freund)
Fix lock handling in REINDEX CONCURRENTLY (Michael Paquier)
REINDEX CONCURRENTLY neglected to take a session-level lock on the new index version, potentially allowing other sessions to manipulate it too soon. Also, a query-cancel or session-termination interrupt arriving at the wrong time could result in failure to release the session-level locks that REINDEX CONCURRENTLY does hold.
Avoid crash due to race condition when reporting the progress of a CREATE INDEX CONCURRENTLY or REINDEX CONCURRENTLY command (Álvaro Herrera)
Avoid creating duplicate dependency entries during REINDEX CONCURRENTLY (Michael Paquier)
This bug resulted in bloat in pg_depend, but no worse consequences than that.