From e42a98be323c41df9acc711387bf7b62e8a1e6a4 Mon Sep 17 00:00:00 2001
From: minghong <zhouminghong@selectdb.com>
Date: Thu, 6 Mar 2025 19:20:40 +0800
Subject: [PATCH] remove literal alias from aliasTransferMap

---
 fe/.idea/vcs.xml                              | 22 ++++---------------
 .../processor/post/RuntimeFilterContext.java  |  4 ++++
 .../post/RuntimeFilterGenerator.java          | 16 ++++++++++++++
 3 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/fe/.idea/vcs.xml b/fe/.idea/vcs.xml
index 7b2cdb1cbbd39a..8c0f59e92e6c5b 100644
--- a/fe/.idea/vcs.xml
+++ b/fe/.idea/vcs.xml
@@ -1,20 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-   Licensed to the Apache Software Foundation (ASF) under one or more
-   contributor license agreements.  See the NOTICE file distributed with
-   this work for additional information regarding copyright ownership.
-   The ASF licenses this file to You under the Apache License, Version 2.0
-   (the "License"); you may not use this file except in compliance with
-   the License.  You may obtain a copy of the License at
-
-      http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-  -->
 <project version="4">
   <component name="IssueNavigationConfiguration">
     <option name="links">
@@ -27,6 +11,8 @@
     </option>
   </component>
   <component name="VcsDirectoryMappings">
-      <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/../be/src/apache-orc" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/../be/src/clucene" vcs="Git" />
   </component>
-</project>
+</project>
\ No newline at end of file
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterContext.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterContext.java
index 585ab5f3d7b081..6e6643140f8973 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterContext.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterContext.java
@@ -279,6 +279,10 @@ public Pair<PhysicalRelation, Slot> aliasTransferMapPut(NamedExpression slot, Pa
         return aliasTransferMap.put(slot, pair);
     }
 
+    public void aliasTransferMapRemove(NamedExpression slot) {
+        aliasTransferMap.remove(slot);
+    }
+
     public boolean aliasTransferMapContains(NamedExpression slot) {
         return aliasTransferMap.containsKey(slot);
     }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterGenerator.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterGenerator.java
index 57c322d030f8fe..176a795e4afa9a 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterGenerator.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterGenerator.java
@@ -37,6 +37,7 @@
 import org.apache.doris.nereids.trees.expressions.Slot;
 import org.apache.doris.nereids.trees.expressions.SlotReference;
 import org.apache.doris.nereids.trees.expressions.functions.scalar.BitmapContains;
+import org.apache.doris.nereids.trees.expressions.literal.Literal;
 import org.apache.doris.nereids.trees.plans.AbstractPlan;
 import org.apache.doris.nereids.trees.plans.JoinType;
 import org.apache.doris.nereids.trees.plans.Plan;
@@ -440,6 +441,21 @@ public PhysicalPlan visitPhysicalProject(PhysicalProject<? extends Plan> project
             if (expression.children().isEmpty()) {
                 continue;
             }
+            /**
+             * join(#5=#6)
+             *   -->project(null as #5)
+             *       --> any
+             *   -->project(#6)
+             *       --->scan(T[#5, #6])
+             *
+             * both left tree and right tree contain exprId=5.
+             * remove #5 from alias map to avoid generate wrong rf
+             */
+            if (expression instanceof Alias && expression.child(0) instanceof Literal) {
+                Alias alias = (Alias) expression;
+                ctx.aliasTransferMapRemove(alias.toSlot());
+                continue;
+            }
             Expression expr = ExpressionUtils.getSingleNumericSlotOrExpressionCoveredByCast(expression.child(0));
             if (expr instanceof NamedExpression
                     && ctx.aliasTransferMapContains((NamedExpression) expr)) {