diff options
Diffstat (limited to 'src/backend/optimizer/util/tlist.c')
| -rw-r--r-- | src/backend/optimizer/util/tlist.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/src/backend/optimizer/util/tlist.c b/src/backend/optimizer/util/tlist.c index ccea3bf9d2..cbc8c2b9fe 100644 --- a/src/backend/optimizer/util/tlist.c +++ b/src/backend/optimizer/util/tlist.c @@ -101,34 +101,6 @@ tlist_member_match_var(Var *var, List *targetlist) } /* - * flatten_tlist - * Create a target list that only contains unique variables. - * - * Aggrefs and PlaceHolderVars in the input are treated according to - * aggbehavior and phbehavior, for which see pull_var_clause(). - * - * 'tlist' is the current target list - * - * Returns the "flattened" new target list. - * - * The result is entirely new structure sharing no nodes with the original. - * Copying the Var nodes is probably overkill, but be safe for now. - */ -List * -flatten_tlist(List *tlist, PVCAggregateBehavior aggbehavior, - PVCPlaceHolderBehavior phbehavior) -{ - List *vlist = pull_var_clause((Node *) tlist, - aggbehavior, - phbehavior); - List *new_tlist; - - new_tlist = add_to_flat_tlist(NIL, vlist); - list_free(vlist); - return new_tlist; -} - -/* * add_to_flat_tlist * Add more items to a flattened tlist (if they're not already in it) * |