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Add a back-link from IndexOptInfo structs to their parent RelOptInfo

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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.
This commit is contained in:
Tom Lane
2005-03-27 06:29:49 +00:00
parent febc9a613c
commit 926e8a00d3
11 changed files with 95 additions and 141 deletions
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4
src/include/optimizer/pathnode.h
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@@ -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 1.56 2004/12/31 22:03:36 pgsql Exp $
* $PostgreSQL: pgsql/src/include/optimizer/pathnode.h,v 1.57 2005/03/27 06:29:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -28,7 +28,7 @@ extern void set_cheapest(RelOptInfo *parent_rel);
extern void add_path(RelOptInfo *parent_rel, Path *new_path);
extern Path *create_seqscan_path(Query *root, RelOptInfo *rel);
extern IndexPath *create_index_path(Query *root, RelOptInfo *rel,
extern IndexPath *create_index_path(Query *root,
IndexOptInfo *index,
List *restriction_clauses,
List *pathkeys,