Don't adjust ressortgroupref in generate_setop_child_grouplist()

This is already done inside assignSortGroupRef(), therefore is
redundant.

Oversight from 66c0185a3.

Reported-by: Tom Lane
Discussion: https://postgr.es/m/3703023.1711654574@sss.pgh.pa.us

diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c
index d4c13a518fd555b70e66fae40785accc8814d38d..5320da51a066719d9429427e564642fd5295048b 100644 (file)
--- a/src/backend/optimizer/plan/planner.c
+++ b/src/backend/optimizer/plan/planner.c
@@ -7959,7 +7959,6 @@ generate_setop_child_grouplist(SetOperationStmt *op, List *targetlist)
 
                /* assign a tleSortGroupRef, or reuse the existing one */
                sgc->tleSortGroupRef = assignSortGroupRef(tle, targetlist);
-               tle->ressortgroupref = sgc->tleSortGroupRef;
        }
        Assert(lg == NULL);
        return grouplist;