optimizer cleanup
This commit is contained in:
parent
6de25f09b1
commit
8dc2209f71
@ -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;
|
||||
|
Loading…
x
Reference in New Issue
Block a user