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Posted to commits@doris.apache.org by mo...@apache.org on 2022/04/27 15:19:19 UTC

[incubator-doris] branch master updated: [fix](planner) fix non-equal out join is not supported (#9156)

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

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


The following commit(s) were added to refs/heads/master by this push:
     new 5a7e46fe7b [fix](planner) fix non-equal out join is not supported (#9156)
5a7e46fe7b is described below

commit 5a7e46fe7b87d5d14459247847ebcfc3052ef13b
Author: shee <13...@users.noreply.github.com>
AuthorDate: Wed Apr 27 08:19:13 2022 -0700

    [fix](planner) fix non-equal out join is not supported (#9156)
---
 .../java/org/apache/doris/analysis/TableRef.java   | 11 ++++++-
 .../org/apache/doris/planner/QueryPlanTest.java    | 34 ++++++++++++++++++++++
 2 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/TableRef.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/TableRef.java
index 4dd95a4b61..7536c370a0 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/TableRef.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/TableRef.java
@@ -218,6 +218,7 @@ public class TableRef implements ParseNode, Writable {
         return null;
     }
 
+
     public JoinOperator getJoinOp() {
         // if it's not explicitly set, we're doing an inner join
         return (joinOp == null ? JoinOperator.INNER_JOIN : joinOp);
@@ -575,7 +576,15 @@ public class TableRef implements ParseNode, Writable {
     public void rewriteExprs(ExprRewriter rewriter, Analyzer analyzer)
             throws AnalysisException {
         Preconditions.checkState(isAnalyzed);
-        if (onClause != null) onClause = rewriter.rewrite(onClause, analyzer, ExprRewriter.ClauseType.ON_CLAUSE);
+        if (onClause != null) {
+            Expr expr = onClause.clone();
+            onClause = rewriter.rewrite(onClause, analyzer, ExprRewriter.ClauseType.ON_CLAUSE);
+            if (joinOp.isOuterJoin() || joinOp.isSemiAntiJoin()) {
+                if (onClause instanceof BoolLiteral && !((BoolLiteral) onClause).getValue()) {
+                    onClause = expr;
+                }
+            }
+        }
     }
 
     private String joinOpToSql() {
diff --git a/fe/fe-core/src/test/java/org/apache/doris/planner/QueryPlanTest.java b/fe/fe-core/src/test/java/org/apache/doris/planner/QueryPlanTest.java
index 40d1541dda..ee09be1d8a 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/planner/QueryPlanTest.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/planner/QueryPlanTest.java
@@ -2120,4 +2120,38 @@ public class QueryPlanTest {
         String explainString = UtFrameUtils.getSQLPlanOrErrorMsg(connectContext, sql);
         Assert.assertTrue(explainString.contains("1 | 10 | 1 | 1 | 1"));
     }
+
+    @Test
+    public void testOutJoinWithOnFalse() throws Exception {
+        connectContext.setDatabase("default_cluster:test");
+        createTable("create table out_join_1\n" +
+                "(\n" +
+                "    k1 int,\n" +
+                "    v int\n" +
+                ")\n" +
+                "DISTRIBUTED BY HASH(k1) BUCKETS 10\n" +
+                "PROPERTIES(\"replication_num\" = \"1\");");
+
+        createTable("create table out_join_2\n" +
+                "(\n" +
+                "    k1 int,\n" +
+                "    v int\n" +
+                ")\n" +
+                "DISTRIBUTED BY HASH(k1) BUCKETS 10\n" +
+                "PROPERTIES(\"replication_num\" = \"1\");");
+
+        String sql = "explain select * from out_join_1 left join out_join_2 on out_join_1.k1 = out_join_2.k1 and 1=2;";
+        String explainString = UtFrameUtils.getSQLPlanOrErrorMsg(connectContext, sql);
+        Assert.assertFalse(explainString.contains("non-equal LEFT OUTER JOIN is not supported"));
+
+        sql = "explain select * from out_join_1 right join out_join_2 on out_join_1.k1 = out_join_2.k1 and 1=2;";
+        explainString = UtFrameUtils.getSQLPlanOrErrorMsg(connectContext, sql);
+        Assert.assertFalse(explainString.contains("non-equal RIGHT OUTER JOIN is not supported"));
+
+        sql = "explain select * from out_join_1 full join out_join_2 on out_join_1.k1 = out_join_2.k1 and 1=2;";
+        explainString = UtFrameUtils.getSQLPlanOrErrorMsg(connectContext, sql);
+        Assert.assertFalse(explainString.contains("non-equal FULL OUTER JOIN is not supported"));
+
+    }
+
 }


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