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Fix inconsistent LWLock tranche names for MultiXact*

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The terms used in wait_event_names.txt and lwlock.c were inconsistent
for MultiXactOffsetSLRU and MultiXactMemberSLRU, which could cause joins
between pg_wait_events and pg_stat_activity to fail.  lwlock.c is
adjusted in this commit to what the historical name of the event has
always been, and what is documented.

Oversight in 53c2a97a92.  08b9b9e043 has fixed a similar
inconsistency some time ago.

Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Reviewed-by: Álvaro Herrera <alvherre@kurilemu.de>
Discussion: https://postgr.es/m/aHdxN0D0hKXzHFQG@ip-10-97-1-34.eu-west-3.compute.internal
Backpatch-through: 17
This commit is contained in:
Michael Paquier
2025-07-17 09:32:55 +09:00
parent b06a335eeb
commit b3abec0ade
1 changed files with 2 additions and 2 deletions
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4
src/backend/storage/lmgr/lwlock.c
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@@ -162,8 +162,8 @@ static const char *const BuiltinTrancheNames[] = {
[LWTRANCHE_DSM_REGISTRY_DSA] = "DSMRegistryDSA",
[LWTRANCHE_DSM_REGISTRY_HASH] = "DSMRegistryHash",
[LWTRANCHE_COMMITTS_SLRU] = "CommitTsSLRU",
[LWTRANCHE_MULTIXACTOFFSET_SLRU] = "MultixactOffsetSLRU",
[LWTRANCHE_MULTIXACTMEMBER_SLRU] = "MultixactMemberSLRU",
[LWTRANCHE_MULTIXACTOFFSET_SLRU] = "MultiXactOffsetSLRU",
[LWTRANCHE_MULTIXACTMEMBER_SLRU] = "MultiXactMemberSLRU",
[LWTRANCHE_NOTIFY_SLRU] = "NotifySLRU",
[LWTRANCHE_SERIAL_SLRU] = "SerialSLRU",
[LWTRANCHE_SUBTRANS_SLRU] = "SubtransSLRU",