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Fix for AND/OR handling.

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This commit is contained in:
Bruce Momjian
1998-09-21 15:41:28 +00:00
parent 06b8c8a8b8
commit 748e300317
3 changed files with 26 additions and 15 deletions
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23
src/backend/optimizer/util/pathnode.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.12 1998/09/01 04:30:08 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.13 1998/09/21 15:41:28 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -355,20 +355,17 @@ create_index_path(Query *root,
&npages,
&selec);
/* each clause gets an equal selectivity */
clausesel =
pow(selec,
1.0 / (double) length(restriction_clauses));
clausesel = pow(selec, 1.0 / (double) length(restriction_clauses));
pathnode->indexqual = restriction_clauses;
pathnode->path.path_cost =
cost_index(lfirsti(index->relids),
(int) npages,
selec,
rel->pages,
rel->tuples,
index->pages,
index->tuples,
false);
pathnode->path.path_cost = cost_index(lfirsti(index->relids),
(int) npages,
selec,
rel->pages,
rel->tuples,
index->pages,
index->tuples,
false);
#if 0
/* add in expensive functions cost! -- JMH, 7/7/92 */