diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c
new file mode 100644
index a75b1a3..3094b56
*** a/src/backend/optimizer/plan/planner.c
--- b/src/backend/optimizer/plan/planner.c
*************** get_partitioned_child_rels_for_join(Plan
*** 6160,6170 ****
  		PartitionedChildRelInfo *pc = lfirst(l);
  
  		if (bms_is_member(pc->parent_relid, join_relids))
  			result = list_concat(result, list_copy(pc->child_rels));
  	}
  
- 	/* The root partitioned table is included as a child rel */
- 	Assert(list_length(result) >= bms_num_members(join_relids));
- 
  	return result;
  }
--- 6160,6172 ----
  		PartitionedChildRelInfo *pc = lfirst(l);
  
  		if (bms_is_member(pc->parent_relid, join_relids))
+ 		{
+ 			/* The root partitioned table is included as a child rel */
+ 			Assert(list_length(pc->child_rels) >= 1);
+ 
  			result = list_concat(result, list_copy(pc->child_rels));
+ 		}
  	}
  
  	return result;
  }