Temp disable reorder for hash join

Author: royi-luo

src/planner/plan/plan_subquery.cpp

@@ -105,7 +105,7 @@ template<std::invocable<LogicalPlan&, LogicalPlan&, LogicalPlan&> AppendJoinFunc
     std::invocable<LogicalPlan&, LogicalPlan&> EstimateJoinCostFunc>
 static void planRegularMatchJoinOrder(LogicalPlan& leftPlan, LogicalPlan& rightPlan,
     const AppendJoinFunc& appendJoinFunc, const EstimateJoinCostFunc& estimateJoinCostFunc) {
-    if (estimateJoinCostFunc(leftPlan, rightPlan) < estimateJoinCostFunc(rightPlan, leftPlan)) {
+    if (estimateJoinCostFunc(leftPlan, rightPlan) <= estimateJoinCostFunc(rightPlan, leftPlan)) {
         appendJoinFunc(leftPlan, rightPlan, leftPlan);
     } else {
         appendJoinFunc(rightPlan, leftPlan, leftPlan);
@@ -157,15 +157,17 @@ void Planner::planRegularMatch(const QueryGraphCollection& queryGraphCollection,
         if (leftPlan.hasUpdate()) {
             appendHashJoin(joinNodeIDs, JoinType::INNER, *rightPlan, leftPlan, leftPlan);
         } else {
-            planRegularMatchJoinOrder(
-                leftPlan, *rightPlan,
-                [this, &joinNodeIDs](LogicalPlan& leftPlan, LogicalPlan& rightPlan,
-                    LogicalPlan& resultPlan) {
-                    appendHashJoin(joinNodeIDs, JoinType::INNER, leftPlan, rightPlan, resultPlan);
-                },
-                [&joinNodeIDs](LogicalPlan& leftPlan, LogicalPlan& rightPlan) {
-                    return CostModel::computeHashJoinCost(joinNodeIDs, leftPlan, rightPlan);
-                });
+            // planRegularMatchJoinOrder(
+            //     leftPlan, *rightPlan,
+            //     [this, &joinNodeIDs](LogicalPlan& leftPlan, LogicalPlan& rightPlan,
+            //         LogicalPlan& resultPlan) {
+            //         appendHashJoin(joinNodeIDs, JoinType::INNER, leftPlan, rightPlan,
+            //         resultPlan);
+            //     },
+            //     [&joinNodeIDs](LogicalPlan& leftPlan, LogicalPlan& rightPlan) {
+            //         return CostModel::computeHashJoinCost(joinNodeIDs, leftPlan, rightPlan);
+            //     });
+            appendHashJoin(joinNodeIDs, JoinType::INNER, leftPlan, *rightPlan, leftPlan);
         }
     }
     for (auto& predicate : predicatesToPullUp) {