Disallow aggregate functions in UPDATE
commands, except within sub-SELECTs (Tom)
The behavior of such an aggregate was unpredictable, and in 8.1.X
could cause a crash, so it has been disabled. The SQL standard does not allow
this either.
Fix core dump when an untyped literal is taken as
ANYARRAY
Fix core dump in duration logging for extended query protocol
when a COMMIT or ROLLBACK is
executed
Fix mishandling of AFTER triggers when query contains a SQL
function returning multiple rows (Tom)
Fix ALTER TABLE ... TYPE to recheck
NOT NULL for USING clause (Tom)
Fix string_to_array() to handle overlapping
matches for the separator string
For example, string_to_array('123xx456xxx789', 'xx').
Fix to_timestamp() for
AM/PM formats (Bruce)
Fix autovacuum's calculation that decides whether
ANALYZE is needed (Alvaro)
Fix corner cases in pattern matching for
psql's \d commands
Fix index-corrupting bugs in /contrib/ltree
(Teodor)
Numerous robustness fixes in ecpg (Joachim
Wieland)
Fix backslash escaping in /contrib/dbmirror
Minor fixes in /contrib/dblink and /contrib/tsearch2
Efficiency improvements in hash tables and bitmap index scans
(Tom)
Fix instability of statistics collection on Windows (Tom, Andrew)
Fix statement_timeout to use the proper
units on Win32 (Bruce)
In previous Win32 8.1.X versions, the delay was off by a factor of
100.
Fixes for MSVC and Borland C++
compilers (Hiroshi Saito)
Fixes for AIX and
Intel compilers (Tom)
Fix rare bug in continuous archiving (Tom)