diff options
Diffstat (limited to 'src/backend/access/nbtree/nbtsearch.c')
| -rw-r--r-- | src/backend/access/nbtree/nbtsearch.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/backend/access/nbtree/nbtsearch.c b/src/backend/access/nbtree/nbtsearch.c index e7ea3643531..59bf5358e4f 100644 --- a/src/backend/access/nbtree/nbtsearch.c +++ b/src/backend/access/nbtree/nbtsearch.c @@ -8,7 +8,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsearch.c,v 1.65 2001/03/22 06:16:07 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsearch.c,v 1.66 2001/03/23 04:49:51 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -584,8 +584,10 @@ _bt_first(IndexScanDesc scan, ScanDirection dir) /* * At this point we are positioned at the first item >= scan key, or - * possibly at the end of a page on which all the existing items are < - * scan key and we know that everything on later pages is >= scan key. + * possibly at the end of a page on which all the existing items are + * greater than the scan key and we know that everything on later pages + * is less than or equal to scan key. + * * We could step forward in the latter case, but that'd be a waste of * time if we want to scan backwards. So, it's now time to examine * the scan strategy to find the exact place to start the scan. |