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Fix the same-rel optimization when creating WAL records.

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prev_regbuf was never set, and therefore the same-rel flag was never set on
WAL records.

Report and fix by Zhanq Zq
This commit is contained in:
Heikki Linnakangas 2015-05-04 20:58:42 +03:00
parent 3c000fd9a6
commit ec3d976bce
1 changed files with 1 additions and 1 deletions
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2
src/backend/access/transam/xloginsert.c
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@ -667,10 +667,10 @@ XLogRecordAssemble(RmgrId rmid, uint8 info,
{ {
samerel = true; samerel = true;
bkpb.fork_flags |= BKPBLOCK_SAME_REL; bkpb.fork_flags |= BKPBLOCK_SAME_REL;
prev_regbuf = regbuf;
} }
else else
samerel = false; samerel = false;
prev_regbuf = regbuf;
/* Ok, copy the header to the scratch buffer */ /* Ok, copy the header to the scratch buffer */
memcpy(scratch, &bkpb, SizeOfXLogRecordBlockHeader); memcpy(scratch, &bkpb, SizeOfXLogRecordBlockHeader);