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Update obsolete index scan TID comments.

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Oversight in commit c2fe139c20.
This commit is contained in:
Peter Geoghegan
2024-03-11 18:07:10 -04:00
parent bbbf71d9a6
commit 3045324214
2 changed files with 8 additions and 8 deletions
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10
src/backend/access/nbtree/nbtsearch.c
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@@ -861,8 +861,8 @@ _bt_compare(Relation rel,
* qualifications in the scan key. On success exit, the page containing
* the current index tuple is pinned but not locked, and data about
* the matching tuple(s) on the page has been loaded into so->currPos.
* scan->xs_ctup.t_self is set to the heap TID of the current tuple,
* and if requested, scan->xs_itup points to a copy of the index tuple.
* scan->xs_heaptid is set to the heap TID of the current tuple, and if
* requested, scan->xs_itup points to a copy of the index tuple.
*
* If there are no matching items in the index, we return false, with no
* pins or locks held.
@@ -1448,9 +1448,9 @@ readcomplete:
* but is not locked, and so->currPos.itemIndex identifies which item was
* previously returned.
*
* On successful exit, scan->xs_ctup.t_self is set to the TID of the
* next heap tuple, and if requested, scan->xs_itup points to a copy of
* the index tuple. so->currPos is updated as needed.
* On successful exit, scan->xs_heaptid is set to the TID of the next
* heap tuple, and if requested, scan->xs_itup points to a copy of the
* index tuple. so->currPos is updated as needed.
*
* On failure exit (no more tuples), we release pin and set
* so->currPos.buf to InvalidBuffer.