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Amit Kapila 3c1adbbf86 Revert the commits related to allowing page lock to conflict among parallel group members. 
This commit reverts the work done by commits 3ba59ccc89 and 72e78d831a.
Those commits were incorrect in asserting that we never acquire any other
heavy-weight lock after acquring page lock other than relation extension
lock. We can acquire a lock on catalogs while doing catalog look up after
acquring page lock.

This won't impact any existing feature but we need to think some other way
to achieve this before parallelizing other write operations or even
improving the parallelism in vacuum (like allowing multiple workers
for an index).

Reported-by: Jaime Casanova
Author: Amit Kapila
Backpatch-through: 13
Discussion: https://postgr.es/m/CAJKUy5jffnRKNvRHKQ0LynRb0RJC-o4P8Ku3x9vGAVLwDBWumQ@mail.gmail.com
2023-07-06 08:41:30 +05:30
..
backend Revert the commits related to allowing page lock to conflict among parallel group members. 2023-07-06 08:41:30 +05:30
bin Improve pg_basebackup long file name test Windows robustness 2023-07-03 10:09:12 -04:00
common meson: Add dependencies to perl modules to various script invocations 2023-06-09 20:12:16 -07:00
fe_utils Pre-beta mechanical code beautification. 2023-05-19 17:24:48 -04:00
include meson: Make some Meson style more consistent with surrounding code 2023-06-29 13:06:02 +02:00
interfaces Translation updates 2023-06-26 12:02:02 +02:00
makefiles Use --strip-unneeded when stripping static libraries with GNU strip. 2023-04-20 18:12:32 -04:00
pl Translation updates 2023-06-26 12:02:02 +02:00
port Pre-beta mechanical code beautification. 2023-05-19 17:24:48 -04:00
template Use unnamed POSIX semaphores on Cygwin. 2023-01-06 10:33:28 +13:00
test pgstat: fix subscription stats entry leak. 2023-07-05 14:49:58 +09:00
timezone Pre-beta mechanical code beautification. 2023-05-19 17:24:48 -04:00
tools Allow and require passing files on command line of pgperltidy 2023-06-21 16:20:26 +02:00
tutorial Pre-beta mechanical code beautification. 2023-05-19 17:24:48 -04:00
.gitignore
DEVELOPERS
Makefile Integrate pg_bsd_indent into our build/test infrastructure. 2023-02-12 12:22:21 -05:00
Makefile.global.in Fix prove_installcheck when used with PGXS 2023-05-05 07:09:52 +02:00
Makefile.shlib autoconf: Rely on ar supporting index creation 2022-10-07 11:53:39 -07:00
meson.build Integrate pg_bsd_indent into our build/test infrastructure. 2023-02-12 12:22:21 -05:00
nls-global.mk Fix for make unportability 2022-07-13 09:15:01 +02:00