*** a/src/backend/optimizer/README
--- b/src/backend/optimizer/README
***************
*** 318,326 **** planner()
        Back at standard_join_search(), apply set_cheapest() to extract the
        cheapest path for each newly constructed joinrel.
        Loop back if this wasn't the top join level.
-    Back at query_planner:
-     put back any constant quals by adding a Result node
   Back at grouping_planner:
   do grouping(GROUP)
   do aggregates
   make unique(DISTINCT)
--- 318,325 ----
        Back at standard_join_search(), apply set_cheapest() to extract the
        cheapest path for each newly constructed joinrel.
        Loop back if this wasn't the top join level.
   Back at grouping_planner:
+  put back any constant quals by adding a Result node
   do grouping(GROUP)
   do aggregates
   make unique(DISTINCT)