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First cut at full support for OUTER JOINs. There are still a few loose

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ends to clean up (see my message of same date to pghackers), but mostly
it works.  INITDB REQUIRED!
This commit is contained in:
Tom Lane
2000-09-12 21:07:18 +00:00
parent b5c0ab278b
commit ed5003c584
93 changed files with 6386 additions and 4262 deletions
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37
src/include/optimizer/pathnode.h
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@@ -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 1.27 2000/04/12 17:16:42 momjian Exp $
* $Id: pathnode.h,v 1.28 2000/09/12 21:07:11 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -34,26 +34,29 @@ extern IndexPath *create_index_path(Query *root, RelOptInfo *rel,
extern TidPath *create_tidscan_path(RelOptInfo *rel, List *tideval);
extern NestPath *create_nestloop_path(RelOptInfo *joinrel,
Path *outer_path,
Path *inner_path,
List *restrict_clauses,
List *pathkeys);
JoinType jointype,
Path *outer_path,
Path *inner_path,
List *restrict_clauses,
List *pathkeys);
extern MergePath *create_mergejoin_path(RelOptInfo *joinrel,
Path *outer_path,
Path *inner_path,
List *restrict_clauses,
List *pathkeys,
List *mergeclauses,
List *outersortkeys,
List *innersortkeys);
JoinType jointype,
Path *outer_path,
Path *inner_path,
List *restrict_clauses,
List *pathkeys,
List *mergeclauses,
List *outersortkeys,
List *innersortkeys);
extern HashPath *create_hashjoin_path(RelOptInfo *joinrel,
Path *outer_path,
Path *inner_path,
List *restrict_clauses,
List *hashclauses,
Selectivity innerdisbursion);
JoinType jointype,
Path *outer_path,
Path *inner_path,
List *restrict_clauses,
List *hashclauses,
Selectivity innerdisbursion);
/*
* prototypes for relnode.c