add-rt

regression-test/data/nereids_p0/stats/column_stats.out

@@ -0,0 +1,13 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !order --
+PhysicalResultSink
+--hashJoin[INNER_JOIN broadcast] hashCondition=((region.r_regionkey = nation.n_regionkey)) otherCondition=()
+----PhysicalOlapScan[nation]
+----PhysicalOlapScan[region]
+
+-- !disable_order --
+PhysicalResultSink
+--hashJoin[INNER_JOIN shuffle] hashCondition=((region.r_regionkey = nation.n_regionkey)) otherCondition=()
+----PhysicalOlapScan[region]
+----PhysicalOlapScan[nation]
+

regression-test/suites/nereids_p0/stats/column_stats.groovy

@@ -109,4 +109,11 @@ suite("column_stats") {
             """
         notContains("planed with unknown column statistics")
     }
+
+    // test invalid col stats => disable join reorder
+    qt_order "explain shape plan select * from region join nation on r_regionkey=n_regionkey"
+
+    sql "alter table region modify column r_regionkey set stats ('ndv'='0', 'num_nulls'='0', 'min_value'='0', 'max_value'='4', 'row_count'='0');"
+
+    qt_disable_order "explain shape plan select * from region join nation on r_regionkey=n_regionkey"
 }

regression-test/suites/nereids_p0/stats/invalid_stats.groovy

@@ -0,0 +1,107 @@
+// 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("invalid_stats") {
+    multi_sql """
+        set global enable_auto_analyze=false;
+        SET enable_nereids_planner=true;
+        SET enable_fallback_to_original_planner=false;
+        set disable_nereids_rules=PRUNE_EMPTY_PARTITION;
+
+        
+        drop table if exists region;
+        CREATE TABLE region  (
+        r_regionkey      int NOT NULL,
+        r_name       VARCHAR(25) NOT NULL,
+        r_comment    VARCHAR(152)
+        )ENGINE=OLAP
+        DUPLICATE KEY(`r_regionkey`)
+        COMMENT "OLAP"
+        DISTRIBUTED BY HASH(`r_regionkey`) BUCKETS 1
+        PROPERTIES (
+            "replication_num" = "1"
+        );
+
+        drop table if exists nation;
+         CREATE TABLE `nation` (
+        `n_nationkey` int(11) NOT NULL,
+        `n_name`      varchar(25) NOT NULL,
+        `n_regionkey` int(11) NOT NULL,
+        `n_comment`   varchar(152) NULL
+        ) ENGINE=OLAP
+        DUPLICATE KEY(`N_NATIONKEY`)
+        COMMENT "OLAP"
+        DISTRIBUTED BY HASH(`N_NATIONKEY`) BUCKETS 1
+        PROPERTIES (
+            "replication_num" = "1"
+        );
+        alter table nation modify column n_nationkey set stats ('ndv'='25', 'num_nulls'='0', 'min_value'='0', 'max_value'='24', 'row_count'='25');
+
+        alter table nation modify column n_regionkey set stats ('ndv'='5', 'num_nulls'='0', 'min_value'='0', 'max_value'='4', 'row_count'='25');
+
+    """
+
+    explain {
+        sql "select * from region"
+        notContains("planed with unknown column statistics")
+    }
+
+    explain {
+        sql "select * from region where r_regionkey=1"
+        contains("planed with unknown column statistics")
+    }
+
+    explain {
+        sql "select r_regionkey from region group by r_regionkey"
+        contains("planed with unknown column statistics")
+    }
+
+    explain {
+        sql "select r_regionkey from region join nation on r_regionkey=n_regionkey"
+        contains("planed with unknown column statistics")
+    }
+
+    sql "alter table region modify column r_regionkey set stats ('ndv'='5', 'num_nulls'='0', 'min_value'='0', 'max_value'='4', 'row_count'='5');"
+
+    explain {
+        sql "select * from region where r_regionkey=1"
+        notContains("planed with unknown column statistics")
+    }
+
+    explain {
+        sql "select r_regionkey from region group by r_regionkey"
+        notContains("planed with unknown column statistics")
+    }
+
+    explain {
+        sql "select r_regionkey from region join nation on r_regionkey=n_regionkey"
+        notContains("planed with unknown column statistics")
+    }
+
+    explain {
+        sql "select r_name from region join nation on r_regionkey=n_regionkey"
+        notContains("planed with unknown column statistics")
+    }
+
+    explain {
+        sql """
+            select r_name 
+            from (select r_name, r_regionkey + 1 x from region) T join nation on T.x=n_regionkey
+            """
+        notContains("planed with unknown column statistics")
+    }
+}