fix

Author: englefly

fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/rewrite/CostBasedRewriteJob.java

@@ -30,6 +30,7 @@
 import org.apache.doris.nereids.rules.Rule;
 import org.apache.doris.nereids.rules.RuleType;
 import org.apache.doris.nereids.trees.expressions.CTEId;
+import org.apache.doris.nereids.trees.plans.Plan;
 import org.apache.doris.nereids.trees.plans.logical.LogicalCTEAnchor;
 import org.apache.doris.nereids.trees.plans.logical.LogicalPlan;
 import org.apache.doris.qe.ConnectContext;
@@ -78,6 +79,7 @@ public void execute(JobContext jobContext) {
         CascadesContext applyCboRuleCtx = CascadesContext.newCurrentTreeContext(currentCtx);
         // execute cbo rule on one candidate
         Rewriter.getCteChildrenRewriter(applyCboRuleCtx, rewriteJobs).execute();
+        Plan applyCboPlan = applyCboRuleCtx.getRewritePlan();
         if (skipCboRuleCtx.getRewritePlan().deepEquals(applyCboRuleCtx.getRewritePlan())) {
             // this means rewrite do not do anything
             return;
@@ -109,8 +111,7 @@ public void execute(JobContext jobContext) {
         }
         // If the candidate applied cbo rule is better, replace the original plan with it.
         if (appliedCboRuleCost.get().first.getValue() < skipCboRuleCost.get().first.getValue()) {
-            currentCtx.addPlanProcesses(applyCboRuleCtx.getPlanProcesses());
-            currentCtx.setRewritePlan(applyCboRuleCtx.getRewritePlan());
+            currentCtx.setRewritePlan(applyCboPlan);
         }
     }