Fix planner's assignment of executor parameters, and fix executor's
rescan logic for CTE plan nodes (Tom Lane)
These errors could result in wrong answers from queries that scan the
same WITH subquery multiple times.
Improve page-splitting decisions in GiST indexes (Alexander Korotkov,
Robert Haas, Tom Lane)
Multi-column GiST indexes might suffer unexpected bloat due to this
error.
Fix cascading privilege revoke to stop if privileges are still held
(Tom Lane)
If we revoke a grant option from some role X, but
X still holds that option via a grant from someone
else, we should not recursively revoke the corresponding privilege
from role(s) Y that X had granted it
to.
Improve error messages for Hot Standby misconfiguration errors
(Gurjeet Singh)
Fix handling of SIGFPE when PL/Perl is in use (Andres Freund)
Perl resets the process's SIGFPE handler to
SIG_IGN, which could result in crashes later on. Restore
the normal Postgres signal handler after initializing PL/Perl.
Prevent PL/Perl from crashing if a recursive PL/Perl function is
redefined while being executed (Tom Lane)
Work around possible misoptimization in PL/Perl (Tom Lane)
Some Linux distributions contain an incorrect version of
pthread.h that results in incorrect compiled code in
PL/Perl, leading to crashes if a PL/Perl function calls another one
that throws an error.
Fix pg_upgrade's handling of line endings on Windows
(Andrew Dunstan)
Previously, pg_upgrade might add or remove carriage
returns in places such as function bodies.
On Windows, make pg_upgrade use backslash path
separators in the scripts it emits (Andrew Dunstan)
Update time zone data files to tzdata release 2012f
for DST law changes in Fiji