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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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7
src/backend/optimizer/util/relnode.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.27 2000/06/18 22:44:12 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.28 2000/09/12 21:06:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -72,6 +72,7 @@ get_base_rel(Query *root, int relid)
rel->tuples = 0;
rel->baserestrictinfo = NIL;
rel->baserestrictcost = 0;
rel->outerjoinset = NIL;
rel->joininfo = NIL;
rel->innerjoin = NIL;
@ -178,6 +179,7 @@ get_join_rel(Query *root,
joinrel->tuples = 0;
joinrel->baserestrictinfo = NIL;
joinrel->baserestrictcost = 0;
joinrel->outerjoinset = NIL;
joinrel->joininfo = NIL;
joinrel->innerjoin = NIL;
@ -216,8 +218,7 @@ get_join_rel(Query *root,
restrictlist);
/*
* Add the joinrel to the front of the query's joinrel list.
* (allpaths.c depends on this ordering!)
* Add the joinrel to the query's joinrel list.
*/
root->join_rel_list = lcons(joinrel, root->join_rel_list);