fixup! !!!!! DO NOT MERGE THIS COMMIT

src/backend/distributed/operations/delete_protocol.c

@@ -657,6 +657,8 @@ ShardsMatchingDeleteCriteria(Oid relationId, List *shardIntervalList,
 	Assert(deleteCriteria != NULL);
 	List *deleteCriteriaList = list_make1(deleteCriteria);
 
+	
+
 	/* walk over shard list and check if shards can be dropped */
 	ShardInterval *shardInterval = NULL;
 	foreach_ptr(shardInterval, shardIntervalList)
@@ -672,6 +674,13 @@ ShardsMatchingDeleteCriteria(Oid relationId, List *shardIntervalList,
 			Expr *lessThanExpr = (Expr *) linitial(andExpr->args);
 			Expr *greaterThanExpr = (Expr *) lsecond(andExpr->args);
 
+			/*
+			 * passing NULL for plannerInfo will be problematic if we have placeholder
+			 * vars. However, it won't be the case here because we are building
+			 * the expression from shard intervals which don't have placeholder vars.
+			 * Note that this is only the case with PG14 as the parameter doesn't exist
+			 * prior to that.
+			 */
 			RestrictInfo *lessThanRestrictInfo = make_simple_restrictinfo_compat(NULL,
 																				 lessThanExpr);
 			RestrictInfo *greaterThanRestrictInfo = make_simple_restrictinfo_compat(NULL,

src/backend/distributed/planner/insert_select_planner.c

@@ -747,7 +747,7 @@ RouterModifyTaskForShardInterval(Query *originalQuery,
 			continue;
 		}
 
-		shardRestrictionList = make_simple_restrictinfo_compat(NULL,
+		shardRestrictionList = make_simple_restrictinfo_compat(restriction->plannerInfo,
 															   (Expr *) shardOpExpressions);
 		extendedBaseRestrictInfo = lappend(extendedBaseRestrictInfo,
 										   shardRestrictionList);