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Optimizer cleanup.

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This commit is contained in:
Bruce Momjian 1999-02-11 17:21:51 +00:00
parent 8dc2209f71
commit c873fcdaf4
1 changed files with 10 additions and 10 deletions
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18
src/backend/optimizer/util/pathnode.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.29 1999/02/11 17:03:17 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.30 1999/02/11 17:21:51 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -198,13 +198,13 @@ better_path(Path *new_path, List *unique_paths, bool *is_new)
* over unsorted keys in the same way. * over unsorted keys in the same way.
*/ */
/* same keys, and new is cheaper, use it */ /* same keys, and new is cheaper, use it */
if (((better_key == 0 && better_sort == 0 && if ((better_key == 0 && better_sort == 0 &&
new_path->path_cost < path->path_cost) || new_path->path_cost < path->path_cost) ||
/* new is better, and cheaper, use it */ /* new is better, and cheaper, use it */
((better_key == 1 && better_sort != 2) || (((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) new_path->path_cost <= path->path_cost))
{ {
*is_new = false; *is_new = false;
return new_path; return new_path;
@ -212,13 +212,13 @@ better_path(Path *new_path, List *unique_paths, bool *is_new)
/* same keys, new is more expensive, stop */ /* same keys, new is more expensive, stop */
else if else if
(((better_key == 0 && better_sort == 0 && ((better_key == 0 && better_sort == 0 &&
new_path->path_cost >= path->path_cost) || new_path->path_cost >= path->path_cost) ||
/* old is better, and less expensive, stop */ /* old is better, and less expensive, stop */
((better_key == 2 && better_sort != 1) || (((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) new_path->path_cost >= path->path_cost))
{ {
*is_new = false; *is_new = false;
return NULL; return NULL;