the cheapest-total inner path as a new candidate while truncating the
sort key list, if it already matched the full sort key list.  This is
too much of a corner case to be worth back-patching, since it's unusual
for the cheapest total path to be sorted, and anyway no real harm is
done (except in JOIN_SEMI/ANTI cases where cost_mergejoin is a bit
broken at the moment).  But it wasn't behaving as intended, so fix it.
Noted while examining a test case from Kevin Grittner.  This error doesn't
explain his issue, but it does explain why "set enable_seqscan = off"
seemed to reproduce it for me.

behavior of concurrent commands in cases where rows are being added and
removed from matching query criteria.

Minor word-smithing.

unnecessary thread address output parameter, to make this code look more
like that in pg_restore.

per gripe from David Wheeler that this was mentioned nowhere.
In passing, editorialize a bit on the description of the SQL:2008
equivalent syntax.

in the string, not just at the start.  Per bug #4629 from Martin Blazek.

Back-patch to 8.2; prior versions don't have the problem, at least not in
the reported case, because they don't try to recognize INTO in non-SELECT
statements.  (IOW, this is really fallout from the RETURNING patch.)

post-data step is run in a separate worker child (a thread on Windows, a child
process elsewhere) up to the concurrent number specified by the new pg_restore
command-line --multi-thread | -m switch.

Andrew Dunstan, with some editing by Tom Lane.

qualifier, and add support for this in pg_dump.

This allows TOAST tables to have user-defined fillfactor, and will also
enable us to move the autovacuum parameters to reloptions without taking
away the possibility of setting values for TOAST tables.

Alvaro.

It's missing in older versions too, but it doesn't seem worth
back-porting. All negative are just harmlessly treated as "no limit", and
tightening the check might even brake an application that relies on it.

as the preferred spelling of that zone name, corrects historical DST
information for Switzerland and Cuba.

encoding conversion functions.  These are not can't-happen cases because
it's possible to create a conversion with the wrong conversion function
for the specified encoding pair.  That would lead to an Assert crash in
an Assert-enabled build, or incorrect conversion otherwise, neither of
which is desirable.  This would be a DOS issue if production databases
were customarily built with asserts enabled, but fortunately that's not so.
Per an observation by Heikki.

Back-patch to all supported branches.

Per Tommy Gildseth <tommy.gildseth@usit.uio.no> report

data should be restored.
Backpatch only for 8.3 because previous versions haven't such layer.

casting the value of the variable later.

Per comments from Tom.

to the documented API value. The previous code got it right as
it's implemented, but accepted too much/too little compared to
the API documentation.

Per comment from Zdenek Kotala.

the JOB_OBJECT_UILIMIT_HANDLES flag.

Dave Page & Magnus Hagander

ITAGAKI Takahiro

when building on mingw.

ITAGAKI Takahiro

refactor the relcache code that used to do that.  This allows other callers
(particularly autovacuum) to do the same without necessarily having to open
and lock a table.

yet another failure case in AIX's getaddrinfo().  Per report and patch
by Andrew Chernow.

results out of order because of locking, per bug report 4593

RestoreBkpBlocks. Went missing in my recent refactoring patch, as pointed
out by Simon's hot standby patch.