[DNM](test) Test merge dropped column

regression-test/suites/schema_change_p0/test_merge_dropped_column.groovy

@@ -0,0 +1,47 @@
+// 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("test_merge_dropped_column") {
+    def tableName = "test_merge_dropped_column"
+    sql """ drop table if exists ${tableName} """
+    sql """ create table ${tableName}
+            (
+                col1 SMALLINT NOT NULL,
+                col2 BIGINT NOT NULL,
+                col3 TEXT NOT NULL,
+                col4 FLOAT NOT NULL,
+                col5 TINYINT NOT NULL
+            ) DUPLICATE KEY(`col1`) DISTRIBUTED BY HASH (`col1`) BUCKETS 1
+            PROPERTIES (
+                    "disable_auto_compaction"="true", 
+                    "replication_num" = "1"
+                );
+    """
+    sql """ INSERT INTO ${tableName} VALUES(5, 6, "wwwe", 1.2, 3) """
+    sql """ DELETE FROM ${tableName} WHERE col1 = 0 """
+
+    sql """ ALTER TABLE ${tableName} DROP COLUMN col3 """
+    sql """ INSERT INTO ${tableName} VALUES(7, 1212, 2.22, 2) """
+    // sql """ ALTER TABLE ${tableName} ADD COLUMN col3 TEXT NOT DEFAULT NULL """
+
+    sql """ ALTER TABLE ${tableName} MODIFY COLUMN col2 TEXT NOT NULL"""
+
+    waitForSchemaChangeDone {
+        sql """SHOW ALTER TABLE COLUMN WHERE IndexName='${tableName}' ORDER BY createtime DESC LIMIT 1"""
+        time 600
+    }
+}