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Michael Paquier ae236bf660 Handle NULL for short descriptions of custom GUC variables 
If a short description is specified as NULL in one of the various
DefineCustomXXXVariable() functions available to external modules to
define a custom parameter, SHOW ALL would crash.  This change teaches
SHOW ALL to properly handle NULL short descriptions, as well as any code
paths that manipulate it, to gain in flexibility.  Note that
help_config.c was already able to do that, when describing a set of GUCs
for postgres --describe-config.

Author: Steve Chavez
Reviewed by: Nathan Bossart, Andres Freund, Michael Paquier, Tom Lane
Discussion: https://postgr.es/m/CAGRrpzY6hO-Kmykna_XvsTv8P2DshGiU6G3j8yGao4mk0CqjHA%40mail.gmail.com
Backpatch-through: 10
2022-05-28 12:12:55 +09:00
..
backend Handle NULL for short descriptions of custom GUC variables 2022-05-28 12:12:55 +09:00
bin Translation updates 2022-05-09 12:27:26 +02:00
common Inhibit mingw CRT's auto-globbing of command line arguments 2022-04-25 15:50:07 -04:00
fe_utils Clean up assorted failures under clang's -fsanitize=undefined checks. 2022-03-03 18:13:24 -05:00
include Fix the logical replication timeout during large transactions. 2022-05-11 10:25:56 +05:30
interfaces Remove misguided SSL key file ownership check in libpq. 2022-05-26 14:14:05 -04:00
makefiles Select CFLAGS_SL at configure time, not in platform-specific Makefiles. 2019-10-21 12:32:35 -04:00
pl Translation updates 2022-05-09 12:27:26 +02:00
port Stamp 12.11. 2022-05-09 17:18:31 -04:00
template Further tweaking of PG_SYSROOT heuristics for macOS. 2021-01-20 12:07:35 -05:00
test Show 'AS "?column?"' explicitly when it's important. 2022-05-21 14:45:58 -04:00
timezone Update time zone data files to tzdata release 2022a. 2022-05-05 14:55:17 -04:00
tools Improve setup of environment values for commands in MSVC's vcregress.pl 2022-05-11 10:22:37 +09:00
tutorial tutorial: land height is "elevation", not "altitude" 2021-03-10 20:25:18 -05:00
.gitignore
DEVELOPERS
Makefile Fix partial-build problems introduced by having more generated headers. 2018-04-09 16:42:10 -04:00
Makefile.global.in Fix prove_installcheck to use correct paths when used with PGXS 2021-07-01 08:47:04 -04:00
Makefile.shlib Fix pkg-config files for static linking 2021-09-06 09:43:18 +02:00
nls-global.mk NLS: Fix backend gettext triggers 2019-09-23 09:05:50 +02:00