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Assert that buffers are marked dirty before XLogRegisterBuffer().

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Enforce the rule from transam/README in XLogRegisterBuffer(), and
update callers to follow the rule.

Hash indexes sometimes register clean pages as a part of the locking
protocol, so provide a REGBUF_NO_CHANGE flag to support that use.

Discussion: https://postgr.es/m/c84114f8-c7f1-5b57-f85a-3adc31e1a904@iki.fi
Reviewed-by: Heikki Linnakangas
This commit is contained in:
Jeff Davis
2023-10-23 17:17:46 -07:00
parent befe9451fb
commit 00d7fb5e2e
10 changed files with 118 additions and 20 deletions
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3
src/backend/access/gin/ginentrypage.c
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@@ -571,6 +571,8 @@ entryExecPlaceToPage(GinBtree btree, Buffer buf, GinBtreeStack *stack,
elog(ERROR, "failed to add item to index page in \"%s\"",
RelationGetRelationName(btree->index));
MarkBufferDirty(buf);
if (RelationNeedsWAL(btree->index) && !btree->isBuild)
{
/*
@@ -583,6 +585,7 @@ entryExecPlaceToPage(GinBtree btree, Buffer buf, GinBtreeStack *stack,
data.isDelete = insertData->isDelete;
data.offset = off;
XLogRegisterBuffer(0, buf, REGBUF_STANDARD);
XLogRegisterBufData(0, (char *) &data,
offsetof(ginxlogInsertEntry, tuple));
XLogRegisterBufData(0, (char *) insertData->entry,