diff options
Diffstat (limited to 'src/include/optimizer/pathnode.h')
| -rw-r--r-- | src/include/optimizer/pathnode.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/include/optimizer/pathnode.h b/src/include/optimizer/pathnode.h index eefb2553b3d..e59848278f4 100644 --- a/src/include/optimizer/pathnode.h +++ b/src/include/optimizer/pathnode.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: pathnode.h,v 1.25 2000/02/07 04:41:04 tgl Exp $ + * $Id: pathnode.h,v 1.26 2000/02/15 20:49:26 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -19,15 +19,18 @@ /* * prototypes for pathnode.c */ -extern bool path_is_cheaper(Path *path1, Path *path2); -extern Path *set_cheapest(RelOptInfo *parent_rel, List *pathlist); +extern int compare_path_costs(Path *path1, Path *path2, + CostSelector criterion); +extern int compare_fractional_path_costs(Path *path1, Path *path2, + double fraction); +extern void set_cheapest(RelOptInfo *parent_rel); extern void add_path(RelOptInfo *parent_rel, Path *new_path); -extern void add_pathlist(RelOptInfo *parent_rel, List *new_paths); extern Path *create_seqscan_path(RelOptInfo *rel); extern IndexPath *create_index_path(Query *root, RelOptInfo *rel, IndexOptInfo *index, - List *restriction_clauses); + List *restriction_clauses, + ScanDirection indexscandir); extern TidPath *create_tidscan_path(RelOptInfo *rel, List *tideval); extern NestPath *create_nestloop_path(RelOptInfo *joinrel, |