rf

fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterGenerator.java

@@ -275,10 +275,6 @@ public PhysicalPlan visitPhysicalHashJoin(PhysicalHashJoin<? extends Plan, ? ext
                     continue;
                 }
                 long buildSideNdv = getBuildSideNdv(join, equalTo);
-                Pair<PhysicalRelation, Slot> pair = ctx.getAliasTransferMap().get(equalTo.right());
-                if (pair == null) {
-                    continue;
-                }
                 if (equalTo.left().getInputSlots().size() == 1) {
                     RuntimeFilterPushDownVisitor.PushDownContext pushDownContext =
                             RuntimeFilterPushDownVisitor.PushDownContext.createPushDownContextForHashJoin(

regression-test/suites/nereids_p0/runtime_filter/check_rf.groovy

@@ -0,0 +1,50 @@
+// 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.
+
+suite("check_rf") {
+    sql """
+        drop table if exists t1;
+        set disable_join_reorder=true;
+        """ 
+    sql """
+        CREATE TABLE IF NOT EXISTS t1 (
+        `app_name` VARCHAR(64) NULL COMMENT '标识', 
+        `event_id` VARCHAR(128) NULL COMMENT '标识', 
+        `decision` VARCHAR(32) NULL COMMENT '枚举值', 
+        `time` DATETIME NULL COMMENT '查询时间', 
+        `id` int NOT NULL COMMENT 'od'
+        )
+        DISTRIBUTED BY HASH(event_id)
+        BUCKETS 3 PROPERTIES ("replication_num" = "1");
+    """
+
+    sql """
+    insert into t1 values
+    ('aa', 'bc', 'cc', '2024-07-03 01:15:30', 1),
+    ('ab', 'bc', 'cc', '2024-07-03 01:15:30', 2),
+    ('ac', 'bc', 'cc', '2024-07-03 01:15:30', 3),
+    ('ad', 'bc', 'cc', '2024-07-03 01:15:30', 4);
+    """
+
+    // even if equalTo.right is not in aliasTransferMap, generate the rf
+    qt_1 """
+       explain shape plan 
+       select t1.app_name
+       from t1 join (select max(id) as maxId from t1 group by app_name) t2 on t1.id = t2.maxId;
+       """
+
+}