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Move comment about test slightly closer to test.

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The addition of a TestForOldSnapshot() call here has made the
referent of this comment slightly less clear, so move the comment
to compensate.

Amit Kapila (as part of the parallel index scan patch)
This commit is contained in:
Robert Haas
2017-01-31 17:12:54 -05:00
parent 2f5c9d9c9c
commit 8a815e3fc3
1 changed files with 1 additions and 1 deletions
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2
src/backend/access/nbtree/nbtsearch.c
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@ -1345,10 +1345,10 @@ _bt_steppage(IndexScanDesc scan, ScanDirection dir)
CHECK_FOR_INTERRUPTS();
/* step right one page */
so->currPos.buf = _bt_getbuf(rel, blkno, BT_READ);
/* check for deleted page */
page = BufferGetPage(so->currPos.buf);
TestForOldSnapshot(scan->xs_snapshot, rel, page);
opaque = (BTPageOpaque) PageGetSpecialPointer(page);
/* check for deleted page */
if (!P_IGNORE(opaque))
{
PredicateLockPage(rel, blkno, scan->xs_snapshot);