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Code Issues Releases Wiki Activity

optimizer cleanup

This commit is contained in:
Bruce Momjian 1999-02-11 17:03:17 +00:00
parent 6de25f09b1
commit 8dc2209f71
1 changed files with 7 additions and 7 deletions
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14
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 1.28 1999/02/11 17:00:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.29 1999/02/11 17:03:17 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -198,12 +198,12 @@ better_path(Path *new_path, List *unique_paths, bool *is_new)
* over unsorted keys in the same way.
*/
/* same keys, and new is cheaper, use it */
if ((better_key == 0 && better_sort == 0 &&
new_path->path_cost < path->path_cost) ||
if (((better_key == 0 && better_sort == 0 &&
new_path->path_cost < path->path_cost) ||
/* new is better, and cheaper, use it */
((better_key == 1 && better_sort != 2) ||
(better_key != 2 && better_sort == 1)) &&
(better_key != 2 && better_sort == 1))) &&
new_path->path_cost <= path->path_cost)
{
*is_new = false;
@ -212,12 +212,12 @@ better_path(Path *new_path, List *unique_paths, bool *is_new)
/* same keys, new is more expensive, stop */
else if
((better_key == 0 && better_sort == 0 &&
new_path->path_cost >= path->path_cost) ||
(((better_key == 0 && better_sort == 0 &&
new_path->path_cost >= path->path_cost) ||
/* old is better, and less expensive, stop */
((better_key == 2 && better_sort != 1) ||
(better_key != 1 && better_sort == 2)) &&
(better_key != 1 && better_sort == 2))) &&
new_path->path_cost >= path->path_cost)
{
*is_new = false;