From 0a926dc9c7b58532fb03bc0de77b837af70f44ad Mon Sep 17 00:00:00 2001 From: Tomas Vondra Date: Sun, 22 Jan 2017 18:52:20 +0100 Subject: [PATCH] remove the comment about need for Sort in create_distinct_paths The explicit Sort is not needed, because RemoteSubplan will take care of that (using the built-in SimpleSort, if needed). --- src/backend/optimizer/plan/planner.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c index aec4939241..2f1dc845b8 100644 --- a/src/backend/optimizer/plan/planner.c +++ b/src/backend/optimizer/plan/planner.c @@ -4960,8 +4960,6 @@ create_distinct_paths(PlannerInfo *root, if (!grouping_distribution_match(root, parse, path, parse->distinctClause)) path = create_remotesubplan_path(root, path, NULL); - /* XXX Maybe we need another sort here? */ - add_path(distinct_rel, (Path *) create_upper_unique_path(root, distinct_rel, path, -- 2.39.5