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Posted to commits@doris.apache.org by yi...@apache.org on 2023/01/30 14:18:52 UTC

[doris] branch master updated: [fix](planner) Pushdown constant predicate to all scan node in the lieteral view. #16217

This is an automated email from the ASF dual-hosted git repository.

yiguolei pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/doris.git


The following commit(s) were added to refs/heads/master by this push:
     new e7c1d81419 [fix](planner) Pushdown constant predicate to all scan node in the lieteral view. #16217
e7c1d81419 is described below

commit e7c1d814193087bc27584e22b2f9d5cdfbbf7f1a
Author: AKIRA <33...@users.noreply.github.com>
AuthorDate: Mon Jan 30 22:18:43 2023 +0800

    [fix](planner) Pushdown constant predicate to all scan node in the lieteral view. #16217
    
    Before this PR, planner might push a constant FALSE predicate to the wrong scan nodes in the literal view, and make this predicate useless
---
 .../apache/doris/planner/SingleNodePlanner.java    | 23 ++----
 .../data/query_p0/literal_view/lietral_test.out    |  3 +
 .../query_p0/literal_view/lietral_test.groovy      | 88 ++++++++++++++++++++++
 3 files changed, 96 insertions(+), 18 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java b/fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java
index c8b9f12d04..199e0c623a 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java
@@ -1769,7 +1769,7 @@ public class SingleNodePlanner {
             return;
         }
 
-        final List<Expr> newConjuncts = cloneExprs(conjuncts);
+        List<Expr> newConjuncts = cloneExprs(conjuncts);
         final QueryStmt stmt = inlineViewRef.getViewStmt();
         final Analyzer viewAnalyzer = inlineViewRef.getAnalyzer();
         viewAnalyzer.markConjunctsAssigned(conjuncts);
@@ -1778,23 +1778,10 @@ public class SingleNodePlanner {
             if (select.getAggInfo() != null) {
                 viewAnalyzer.registerConjuncts(newConjuncts, select.getAggInfo().getOutputTupleId().asList());
             } else if (select.getTableRefs().size() > 1) {
-                // Conjuncts will be assigned to the lowest outer join node or non-outer join's leaf children.
-                for (int i = select.getTableRefs().size(); i > 1; i--) {
-                    final TableRef joinInnerChild = select.getTableRefs().get(i - 1);
-                    final TableRef joinOuterChild = select.getTableRefs().get(i - 2);
-                    if (!joinInnerChild.getJoinOp().isOuterJoin()) {
-                        // lowest join isn't outer join.
-                        if (i == 2) {
-                            // Register constant for inner.
-                            viewAnalyzer.registerConjuncts(newConjuncts, joinInnerChild.getDesc().getId().asList());
-                            // Register constant for outer.
-                            final List<Expr> cloneConjuncts = cloneExprs(newConjuncts);
-                            viewAnalyzer.registerConjuncts(cloneConjuncts, joinOuterChild.getDesc().getId().asList());
-                        }
-                        continue;
-                    }
-                    viewAnalyzer.registerConjuncts(newConjuncts, joinOuterChild.getId());
-                    break;
+                for (int i = select.getTableRefs().size() - 1; i >= 0; i--) {
+                    viewAnalyzer.registerConjuncts(newConjuncts,
+                            select.getTableRefs().get(i).getDesc().getId().asList());
+                    newConjuncts = cloneExprs(newConjuncts);
                 }
             } else {
                 Preconditions.checkArgument(select.getTableRefs().size() == 1);
diff --git a/regression-test/data/query_p0/literal_view/lietral_test.out b/regression-test/data/query_p0/literal_view/lietral_test.out
new file mode 100644
index 0000000000..9c9c4c6c8a
--- /dev/null
+++ b/regression-test/data/query_p0/literal_view/lietral_test.out
@@ -0,0 +1,3 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+
diff --git a/regression-test/suites/query_p0/literal_view/lietral_test.groovy b/regression-test/suites/query_p0/literal_view/lietral_test.groovy
new file mode 100644
index 0000000000..1db3f6d720
--- /dev/null
+++ b/regression-test/suites/query_p0/literal_view/lietral_test.groovy
@@ -0,0 +1,88 @@
+// 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("literal_view_test") {
+
+    sql """DROP TABLE IF EXISTS table1"""
+
+    sql """
+    CREATE table table1(
+            `a` varchar(150) NULL COMMENT "",
+            `b` varchar(60) NULL COMMENT ""
+    )ENGINE=OLAP
+    UNIQUE KEY(`a`, `b`)
+    DISTRIBUTED BY HASH(`b`) BUCKETS 1
+    PROPERTIES (
+            "replication_allocation" = "tag.location.default: 1",
+            "in_memory" = "false",
+            "storage_format" = "V2"
+    );
+    """
+
+    sql """
+        INSERT into table1
+        values('org1','code1');
+    """
+
+    sql """DROP TABLE IF EXISTS table2"""
+
+    sql """
+    CREATE table table2(
+            `c` varchar(40) NOT NULL COMMENT "c"
+    )ENGINE=OLAP
+    UNIQUE KEY(`c`)
+    DISTRIBUTED BY HASH(`c`) BUCKETS 1
+    PROPERTIES (
+            "replication_allocation" = "tag.location.default: 1",
+            "in_memory" = "false",
+            "storage_format" = "V2"
+    );
+
+    """
+
+    sql """DROP TABLE IF EXISTS table3"""
+
+    sql """
+    CREATE table table3 (
+            `c` varchar(40) NOT NULL COMMENT "c"
+    )ENGINE=OLAP
+    UNIQUE KEY(`c`)
+    DISTRIBUTED BY HASH(`c`) BUCKETS 1
+    PROPERTIES (
+            "replication_allocation" = "tag.location.default: 1",
+            "in_memory" = "false",
+            "storage_format" = "V2"
+    );
+    """
+
+    sql """DROP VIEW IF EXISTS `test_v`"""
+
+    sql """
+    CREATE view `test_v` as
+    select t1.b
+    from table1 as t1
+    left outer JOIN table2 as org ON  t1.a = org.c
+    left outer join table3 as doi  on t1.a = doi.c
+    ;
+    """
+
+    qt_sql """
+    SELECT b
+    FROM test_v
+    WHERE substring('2022-12',6,2)='01';
+    """
+}


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