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authorTom Lane <tgl@sss.pgh.pa.us>2005-03-27 06:29:49 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2005-03-27 06:29:49 +0000
commit926e8a00d38e1873369ab9a24062440c82d7731c (patch)
tree9034ee995948ac39c0b6dd1606bc1f6213e7c8dd /src/include/optimizer/paths.h
parentfebc9a613cd523de84da883a81e2040c3b1336a6 (diff)
downloadpostgresql-926e8a00d38e1873369ab9a24062440c82d7731c.tar.gz
postgresql-926e8a00d38e1873369ab9a24062440c82d7731c.zip
Add a back-link from IndexOptInfo structs to their parent RelOptInfo
structs. There are many places in the planner where we were passing both a rel and an index to subroutines, and now need only pass the index struct. Notationally simpler, and perhaps a tad faster.
Diffstat (limited to 'src/include/optimizer/paths.h')
-rw-r--r--src/include/optimizer/paths.h11
1 files changed, 4 insertions, 7 deletions
diff --git a/src/include/optimizer/paths.h b/src/include/optimizer/paths.h
index d159e1ecf4e..28c44444d70 100644
--- a/src/include/optimizer/paths.h
+++ b/src/include/optimizer/paths.h
@@ -8,7 +8,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/optimizer/paths.h,v 1.79 2005/03/26 23:29:20 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/optimizer/paths.h,v 1.80 2005/03/27 06:29:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -38,11 +38,9 @@ extern void debug_print_rel(Query *root, RelOptInfo *rel);
extern void create_index_paths(Query *root, RelOptInfo *rel);
extern Path *best_inner_indexscan(Query *root, RelOptInfo *rel,
Relids outer_relids, JoinType jointype);
-extern List *group_clauses_by_indexkey_for_or(RelOptInfo *rel,
- IndexOptInfo *index,
+extern List *group_clauses_by_indexkey_for_or(IndexOptInfo *index,
Expr *orsubclause);
-extern List *expand_indexqual_conditions(RelOptInfo *rel,
- IndexOptInfo *index,
+extern List *expand_indexqual_conditions(IndexOptInfo *index,
List *clausegroups);
extern void check_partial_indexes(Query *root, RelOptInfo *rel);
extern bool pred_test(List *predicate_list, List *restrictinfo_list);
@@ -108,8 +106,7 @@ extern Path *get_cheapest_path_for_pathkeys(List *paths, List *pathkeys,
extern Path *get_cheapest_fractional_path_for_pathkeys(List *paths,
List *pathkeys,
double fraction);
-extern List *build_index_pathkeys(Query *root, RelOptInfo *rel,
- IndexOptInfo *index,
+extern List *build_index_pathkeys(Query *root, IndexOptInfo *index,
ScanDirection scandir);
extern List *build_subquery_pathkeys(Query *root, RelOptInfo *rel,
Query *subquery);