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Michael Paquier 923ae50cf5 Add sanity check for dshash entries when reading pgstats file ... Not having this check would produce a core dump at startup when running pgstat_read_statsfile(), in the case where the information of a stats kind for an entry in the dshash could not be found. The same check already happens for fixed-numbered stats and entries that are stored with their names. This issue can be seen with custom stats kinds. Note that this problem can be reproduced what what is in the core code: - Tweak the test module injection_points to not load the fixed-numbered stats part, leaving only the variable-numbered stats. - Create an instance with injection_points defined in shared_preload_libraries. - Create a pgstats entry by attaching and running a point. - Restart the server without shared_preload_libraries. The startup process detects that something is wrong and reports a WARNING. Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Discussion: https://postgr.es/m/aAieZAvM+K1d89R2@ip-10-97-1-34.eu-west-3.compute.internal		8 months ago
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access	Fix a few duplicate words in comments	8 months ago
archive	Update copyright for 2025	12 months ago
backup	Use XLOG_CONTROL_FILE macro consistently for control file name.	9 months ago
bootstrap	Remove unnecessary (char *) casts [mem]	11 months ago
catalog	Change the names generated for child foreign key constraints.	8 months ago
commands	Change the names generated for child foreign key constraints.	8 months ago
executor	Fix a few duplicate words in comments	8 months ago
foreign	Update copyright for 2025	12 months ago
jit	Allow NOT NULL constraints to be added as NOT VALID	9 months ago
lib	Update copyright for 2025	12 months ago
libpq	Modularize log_connections output	10 months ago
main	Use thread-safe strftime_l() instead of strftime().	9 months ago
nodes	gen_node_support.pl: improve error message for unclosed struct.	8 months ago
optimizer	Fix issue with ORDER BY / DISTINCT aggregates and FILTER	8 months ago
parser	Allow NOT NULL constraints to be added as NOT VALID	9 months ago
partitioning	Fix bug in cbc127917 to handle nested Append correctly	10 months ago
po	Update copyright for 2025	12 months ago
port	Update copyright for 2025	12 months ago
postmaster	Fix typos and grammar in the code	8 months ago
regex	Another unintentional behavior change in commit e9931bfb75.	8 months ago
replication	Fix an oversight in 3f28b2fcac.	8 months ago
rewrite	Fix incorrect handling of subquery pullup	10 months ago
snowball	Use PG_MODULE_MAGIC_EXT in our installable shared libraries.	9 months ago
statistics	Fix recently introduced typos	9 months ago
storage	Fix a few more duplicate words in comments	8 months ago
tcop	Add function to get memory context stats for processes	9 months ago
tsearch	Clear errno before calling strtol() in spell.c.	10 months ago
utils	Add sanity check for dshash entries when reading pgstats file	8 months ago
.gitignore	…
Makefile	aio: Add liburing dependency	9 months ago
common.mk	…
meson.build	Update copyright for 2025	12 months ago
nls.mk	Return yyparse() result not via global variable	11 months ago