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Remove redundant _bt_killitems() buffer check.

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_bt_getbuf() cannot return an invalid buffer.

Oversight in commit 2ed5b87f96.
This commit is contained in:
Peter Geoghegan
2020-04-29 18:17:49 -07:00
parent e30b0b5cfa
commit ab2343d4cb
1 changed files with 0 additions and 4 deletions
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4
src/backend/access/nbtree/nbtutils.c
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@ -1756,10 +1756,6 @@ _bt_killitems(IndexScanDesc scan)
/* Attempt to re-read the buffer, getting pin and lock. */ /* Attempt to re-read the buffer, getting pin and lock. */
buf = _bt_getbuf(scan->indexRelation, so->currPos.currPage, BT_READ); buf = _bt_getbuf(scan->indexRelation, so->currPos.currPage, BT_READ);
/* It might not exist anymore; in which case we can't hint it. */
if (!BufferIsValid(buf))
return;
page = BufferGetPage(buf); page = BufferGetPage(buf);
if (BufferGetLSNAtomic(buf) == so->currPos.lsn) if (BufferGetLSNAtomic(buf) == so->currPos.lsn)
so->currPos.buf = buf; so->currPos.buf = buf;