diff options
Diffstat (limited to 'src/backend/optimizer/path/equivclass.c')
| -rw-r--r-- | src/backend/optimizer/path/equivclass.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/backend/optimizer/path/equivclass.c b/src/backend/optimizer/path/equivclass.c index 3d35eb605d9..5f6d219a01a 100644 --- a/src/backend/optimizer/path/equivclass.c +++ b/src/backend/optimizer/path/equivclass.c @@ -10,7 +10,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/path/equivclass.c,v 1.14 2008/12/01 21:06:13 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/path/equivclass.c,v 1.15 2008/12/28 18:53:56 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -438,14 +438,16 @@ get_eclass_for_sort_expr(PlannerInfo *root, /* * add_eq_member doesn't check for volatile functions, set-returning - * functions, or aggregates, but such could appear in sort expressions; so - * we have to check whether its const-marking was correct. + * functions, aggregates, or window functions, but such could appear + * in sort expressions; so we have to check whether its const-marking + * was correct. */ if (newec->ec_has_const) { if (newec->ec_has_volatile || expression_returns_set((Node *) expr) || - contain_agg_clause((Node *) expr)) + contain_agg_clause((Node *) expr) || + contain_window_function((Node *) expr)) { newec->ec_has_const = false; newem->em_is_const = false; |