Add BarrierArriveAndDetachExceptLast().
Provide a way for one process to continue the remaining phases of a
(previously) parallel computation alone. Later patches will use this to
extend Parallel Hash Join.
Author: Melanie Plageman
Reviewed-by: Thomas Munro
Discussion:
https://postgr.es/m/CA%
Improve failure detection with array parsing in pg_dump
Similarly to 3636efa, the checks done in pg_dump when parsing array
values from catalogs have been too lax. Under memory pressure, it could
be possible, though very unlikely, to finish with dumps that miss some
data like:
- Statistics for in
Relax lock level for setting PGPROC->statusFlags
We don't actually need a lock to set PGPROC->statusFlags itself; what we
do need is a shared lock on either XidGenLock or ProcArrayLock in order to
ensure MyProc->pgxactoff keeps still while we modify the mirror array in
ProcGlobal->statusFlags. So
Skip allocating hash table in EXPLAIN-only mode.
Author: Alexey Bashtanov
Discussion:
https://www.postgresql.org/message-id/36823f65-050d-ae24-aa4d-a37726998240%40imap.cc
Branch
--
master
Details
---
https://git.postgresql.org/pg/commitdiff/2cccb627f10d5dd4c21806fa251e4fb61eadd28c
Modi
docs: Clarify that signal functions have no feedback.
Bug #16652 complains that pg_reload_conf() returned true, even though
the configuration file contained errors. That's the way pg_reload_conf()
works, by design, but the documentation wasn't very clear on it. Clarify
that a 'true' return value o
