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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-04-21 19:18:13 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-04-21 19:18:13 +0000 |
| commit | 14c7fba3f7d0769d8a063dea2854693f35535f6a (patch) | |
| tree | 51b519e88e8092e6fc9cdd6bf50dbff872bc6fa6 /src/include/optimizer/pathnode.h | |
| parent | c6221db3c0f7049b804391d59aeadcfbd1f51800 (diff) | |
| download | postgresql-14c7fba3f7d0769d8a063dea2854693f35535f6a.tar.gz postgresql-14c7fba3f7d0769d8a063dea2854693f35535f6a.zip | |
Rethink original decision to use AND/OR Expr nodes to represent bitmap
logic operations during planning. Seems cleaner to create two new Path
node types, instead --- this avoids duplication of cost-estimation code.
Also, create an enable_bitmapscan GUC parameter to control use of bitmap
plans.
Diffstat (limited to 'src/include/optimizer/pathnode.h')
| -rw-r--r-- | src/include/optimizer/pathnode.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/include/optimizer/pathnode.h b/src/include/optimizer/pathnode.h index 308c5daa6cd..7881ed17536 100644 --- a/src/include/optimizer/pathnode.h +++ b/src/include/optimizer/pathnode.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/optimizer/pathnode.h,v 1.58 2005/04/19 22:35:18 tgl Exp $ + * $PostgreSQL: pgsql/src/include/optimizer/pathnode.h,v 1.59 2005/04/21 19:18:13 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -35,7 +35,13 @@ extern IndexPath *create_index_path(Query *root, ScanDirection indexscandir); extern BitmapHeapPath *create_bitmap_heap_path(Query *root, RelOptInfo *rel, - Node *bitmapqual); + Path *bitmapqual); +extern BitmapAndPath *create_bitmap_and_path(Query *root, + RelOptInfo *rel, + List *bitmapquals); +extern BitmapOrPath *create_bitmap_or_path(Query *root, + RelOptInfo *rel, + List *bitmapquals); extern TidPath *create_tidscan_path(Query *root, RelOptInfo *rel, List *tideval); extern AppendPath *create_append_path(RelOptInfo *rel, List *subpaths); |