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Rename assorted LWLock tranches.

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Choose names that fit into the conventions for wait event names
(particularly, that multi-word names are in the style MultiWordName)
and hopefully convey more information to non-hacker users than the
previous names did.

Also rename SerializablePredicateLockListLock to
SerializablePredicateListLock; the old name was long enough to cause
table formatting problems, plus the double occurrence of "Lock" seems
confusing/error-prone.

Also change a couple of particularly opaque LWLock field names.

Discussion: https://postgr.es/m/28683.1589405363@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2020-05-15 18:11:03 -04:00
parent a0ab4f4909
commit 36ac359d36
15 changed files with 311 additions and 267 deletions
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2
src/backend/nodes/tidbitmap.c
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@ -889,7 +889,7 @@ tbm_prepare_shared_iterate(TIDBitmap *tbm)
pg_atomic_add_fetch_u32(&ptchunks->refcount, 1);
/* Initialize the iterator lock */
LWLockInitialize(&istate->lock, LWTRANCHE_TBM);
LWLockInitialize(&istate->lock, LWTRANCHE_SHARED_TIDBITMAP);
/* Initialize the shared iterator state */
istate->schunkbit = 0;