From 3fdc374b5d24b08119a91555ca2fae427af0b085 Mon Sep 17 00:00:00 2001 From: Etsuro Fujita Date: Mon, 18 Feb 2019 16:13:46 +0900 Subject: [PATCH] Save PathTargets for distinct/ordered relations in root->upper_targets[]. For the convenience of extensions, we previously only saved PathTargets for grouped, window, and final relations in root->upper_targets[] in grouping_planner(). To improve the convenience, save PathTargets for distinct and ordered relations as well. Author: Antonin Houska, with an additional change by me Discussion: https://postgr.es/m/10994.1549559088@localhost --- src/backend/optimizer/plan/planner.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c index 4e52c42721..1a58d733fa 100644 --- a/src/backend/optimizer/plan/planner.c +++ b/src/backend/optimizer/plan/planner.c @@ -2035,6 +2035,8 @@ grouping_planner(PlannerInfo *root, bool inheritance_update, * of the corresponding upperrels might not be needed for this query. */ root->upper_targets[UPPERREL_FINAL] = final_target; + root->upper_targets[UPPERREL_ORDERED] = final_target; + root->upper_targets[UPPERREL_DISTINCT] = sort_input_target; root->upper_targets[UPPERREL_WINDOW] = sort_input_target; root->upper_targets[UPPERREL_GROUP_AGG] = grouping_target;