diff options
Diffstat (limited to 'src/backend/optimizer/path/pathkeys.c')
| -rw-r--r-- | src/backend/optimizer/path/pathkeys.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/src/backend/optimizer/path/pathkeys.c b/src/backend/optimizer/path/pathkeys.c index 8b258cbef92..157bc6a36d4 100644 --- a/src/backend/optimizer/path/pathkeys.c +++ b/src/backend/optimizer/path/pathkeys.c @@ -2192,22 +2192,6 @@ pathkeys_useful_for_grouping(PlannerInfo *root, List *pathkeys) } /* - * pathkeys_useful_for_setop - * Count the number of leading common pathkeys root's 'setop_pathkeys' in - * 'pathkeys'. - */ -static int -pathkeys_useful_for_setop(PlannerInfo *root, List *pathkeys) -{ - int n_common_pathkeys; - - (void) pathkeys_count_contained_in(root->setop_pathkeys, pathkeys, - &n_common_pathkeys); - - return n_common_pathkeys; -} - -/* * truncate_useless_pathkeys * Shorten the given pathkey list to just the useful pathkeys. */ @@ -2226,9 +2210,6 @@ truncate_useless_pathkeys(PlannerInfo *root, nuseful2 = pathkeys_useful_for_grouping(root, pathkeys); if (nuseful2 > nuseful) nuseful = nuseful2; - nuseful2 = pathkeys_useful_for_setop(root, pathkeys); - if (nuseful2 > nuseful) - nuseful = nuseful2; /* * Note: not safe to modify input list destructively, but we can avoid |