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Replace planner's representation of relation sets, per pghackers discussion.

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Instead of Lists of integers, we now store variable-length bitmap sets.
This should be faster as well as less error-prone.
This commit is contained in:
Tom Lane
2003-02-08 20:20:55 +00:00
parent 893678eda7
commit c15a4c2aef
35 changed files with 1453 additions and 626 deletions
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4
src/backend/optimizer/util/pathnode.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.86 2003/01/27 20:51:54 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.87 2003/02/08 20:20:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -560,7 +560,7 @@ create_unique_path(Query *root, RelOptInfo *rel, Path *subpath)
{
InClauseInfo *ininfo = (InClauseInfo *) lfirst(l);
if (sameseti(ininfo->righthand, rel->relids))
if (bms_equal(ininfo->righthand, rel->relids))
{
sub_targetlist = ininfo->sub_targetlist;
break;