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PostgreSQL/src/backend
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Alexander Korotkov ede6acef49 Fix WaitLSNWakeup() fast-path check for InvalidXLogRecPtr 
WaitLSNWakeup() incorrectly returned early when called with
InvalidXLogRecPtr (meaning "wake all waiters"), because the fast-path
check compared minWaitedLSN > 0 without validating currentLSN first.
This caused WAIT FOR LSN commands to wait indefinitely during standby
promotion until random signals woke them.

Add an XLogRecPtrIsValid() check before the comparison so that
InvalidXLogRecPtr bypasses the fast-path and wakes all waiters immediately.

Discussion: https://postgr.es/m/CABPTF7UieOYbOgH3EnQCasaqcT1T4N6V2wammwrWCohQTnD_Lw%40mail.gmail.com
Author: Xuneng Zhou <xunengzhou@gmail.com>
Reviewed-by: Alexander Korotkov <aekorotkov@gmail.com>
2025-11-15 12:27:42 +02:00
..
access
Fix WaitLSNWakeup() fast-path check for InvalidXLogRecPtr
2025-11-15 12:27:42 +02:00
archive
Update copyright for 2025
2025-01-01 11:21:55 -05:00
backup
Use XLogRecPtrIsValid() in various places
2025-11-06 20:33:57 +01:00
bootstrap
Add new OID alias type regdatabase.
2025-06-30 15:38:54 -05:00
catalog
Split out innards of pg_tablespace_location()
2025-11-12 16:39:55 +01:00
commands
Add note about CreateStatistics()'s selective use of check_rights.
2025-11-14 13:20:09 -06:00
executor
Fix typos in nodeWindowAgg comments
2025-11-10 12:51:47 +01:00
foreign
Track the number of presorted outer pathkeys in MergePath
2025-05-08 18:21:32 +09:00
jit
jit: Fix accidentally-harmless type confusion
2025-11-04 20:03:53 -05:00
lib
Add some missing #include <limits.h>.
2025-11-13 22:56:08 +13:00
libpq
libpq: threadsafety for SSL certificate callback
2025-11-12 12:37:40 +01:00
main
Avoid possible crash within libsanitizer.
2025-11-05 11:09:45 -05:00
nodes
Fix some confusing uses of const
2025-10-30 11:20:04 +01:00
optimizer
Fix UNION planner estimate_num_groups with varno==0
2025-11-06 16:34:55 +13:00
parser
Remove unused assignment in CREATE PUBLICATION grammar.
2025-11-12 03:28:17 +00:00
partitioning
Mark function arguments of type "Datum *" as "const Datum *" where possible
2025-10-31 10:47:25 +01:00
po
Translation updates
2025-05-05 12:04:49 +02:00
port
Refactor shared memory allocation for semaphores
2025-11-06 14:45:00 +02:00
postmaster
Remove obsolete autovacuum comment.
2025-11-12 15:13:08 -06:00
regex
Special case C_COLLATION_OID in pg_newlocale_from_collation().
2025-11-04 16:48:16 -08:00
replication
Replace off_t by pgoff_t in I/O routines
2025-11-13 12:41:40 +09:00
rewrite
Fix comments for ChangeVarNodes() and related functions
2025-11-05 12:29:31 +09:00
snowball
Use PG_MODULE_MAGIC_EXT in our installable shared libraries.
2025-03-26 11:11:02 -04:00
statistics
Move code specific to pg_dependencies to new file
2025-11-12 16:53:19 +09:00
storage
Add some missing #include <limits.h>.
2025-11-13 22:56:08 +13:00
tcop
Revert "Drop unnamed portal immediately after execution to completion"
2025-11-14 14:37:10 +09:00
tsearch
Mark function arguments of type "Datum *" as "const Datum *" where possible
2025-10-31 10:47:25 +01:00
utils
Comment out autovacuum_worker_slots in postgresql.conf.sample.
2025-11-14 13:45:04 -06:00
.gitignore
…
common.mk
…
Makefile
aio: Add liburing dependency
2025-03-26 19:45:32 -04:00
meson.build
meson: add and use stamp files for generated headers
2025-08-11 15:18:23 -04:00
nls.mk
Create a separate file listing backend types
2025-09-26 15:21:49 +02:00