diff options
Diffstat (limited to 'src/include/access/nbtree.h')
| -rw-r--r-- | src/include/access/nbtree.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/include/access/nbtree.h b/src/include/access/nbtree.h index e460bbb0d50..33d295a71b2 100644 --- a/src/include/access/nbtree.h +++ b/src/include/access/nbtree.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/access/nbtree.h,v 1.103 2006/08/07 16:57:57 tgl Exp $ + * $PostgreSQL: pgsql/src/include/access/nbtree.h,v 1.104 2006/08/24 01:18:34 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -438,6 +438,15 @@ typedef struct BTScanOpaqueData int *killedItems; /* currPos.items indexes of killed items */ int numKilled; /* number of currently stored items */ + /* + * If the marked position is on the same page as current position, + * we don't use markPos, but just keep the marked itemIndex in + * markItemIndex (all the rest of currPos is valid for the mark position). + * Hence, to determine if there is a mark, first look at markItemIndex, + * then at markPos. + */ + int markItemIndex; /* itemIndex, or -1 if not valid */ + /* keep these last in struct for efficiency */ BTScanPosData currPos; /* current position data */ BTScanPosData markPos; /* marked position, if any */ |