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The following commit(s) were added to refs/heads/master by this push:
     new 859d70f80b6 [enhancement](regression-test) dup modify case (#37137)
859d70f80b6 is described below

commit 859d70f80b683b82db3276001a8442bb11668cba
Author: kkop <[email protected]>
AuthorDate: Thu Jul 4 09:05:46 2024 +0800

    [enhancement](regression-test) dup modify case (#37137)
---
 .../test_dup_schema_value_modify1.out              |    0
 .../test_dup_schema_value_modify1.groovy           | 1512 ++++++++++++++++++++
 2 files changed, 1512 insertions(+)

diff --git 
a/regression-test/data/schema_change_p0/test_dup_schema_value_modify1.out 
b/regression-test/data/schema_change_p0/test_dup_schema_value_modify1.out
new file mode 100644
index 00000000000..e69de29bb2d
diff --git 
a/regression-test/suites/schema_change_p0/test_dup_schema_value_modify1.groovy 
b/regression-test/suites/schema_change_p0/test_dup_schema_value_modify1.groovy
new file mode 100644
index 00000000000..235cf80833f
--- /dev/null
+++ 
b/regression-test/suites/schema_change_p0/test_dup_schema_value_modify1.groovy
@@ -0,0 +1,1512 @@
+// 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_dup_schema_value_modify1", "p0") {
+    def tbName1 = "unique_model_value_change1"
+    def tbName2 = "unique_model_value_change_1"
+    def on_write = getRandomBoolean()
+    println String.format("current enable_unique_key_merge_on_write is : %s ", 
on_write)
+    //Test the unique model by adding a value column
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+    def getTableStatusSql = " SHOW ALTER TABLE COLUMN WHERE 
IndexName='${tbName1}' ORDER BY createtime DESC LIMIT 1  "
+    def errorMessage = ""
+    /**
+     *  Test the unique model by modify a value type
+     */
+    def initTable2 = ""
+    def initTableData2 = ""
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+    def initTable = " CREATE TABLE IF NOT EXISTS ${tbName1}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `is_teacher` BOOLEAN COMMENT \"是否是老师\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          UNIQUE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    def initTableData = "insert into ${tbName1} values(123456789, 'Alice', 0, 
'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00')," +
+            "               (234567890, 'Bob', 0, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 1, 'Guangzhou', 28, 0, 
13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 0, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 0, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 1, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (789012345, 'Grace', 0, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+
+
+    /**
+     *  Test the unique model by modify a value type from SMALLINT to other 
type
+     */
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+    initTable = " CREATE TABLE IF NOT EXISTS ${tbName1}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `car_number` SMALLINT COMMENT \"市民卡\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          UNIQUE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData = "insert into ${tbName1} values(123456789, 'Alice', 13243, 
'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00')," +
+            "               (234567890, 'Bob', 13445, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 15768, 'Guangzhou', 28, 0, 
13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 14243, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 10768, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 14325, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (789012345, 'Grace', 15686, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+
+    //TODO Test the unique model by modify a value type from SMALLINT  to 
BOOLEAN
+    errorMessage = "errCode = 2, detailMessage = Can not change SMALLINT to 
BOOLEAN"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column car_number BOOLEAN   """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', false, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+
+    // TODO Test the unique model by modify a value type from SMALLINT  to 
TINYINT
+    errorMessage = "errCode = 2, detailMessage = Can not change SMALLINT to 
TINYINT"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column car_number TINYINT  """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 2, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+
+    //Test the unique model by modify a value type from SMALLINT  to INT
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column car_number INT  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 3, 'Yaan', 
25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `car_number` INT COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 13243, 
'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00')," +
+            "               (234567890, 'Bob', 13445, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 15768, 'Guangzhou', 28, 0, 
13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 14243, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 10768, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 14325, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 3, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 15686, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "car_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from SMALLINT  to BIGINT
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column car_number BIGINT  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 4, 'Yaan', 
25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `car_number` BIGINT COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 13243, 
'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00')," +
+            "               (234567890, 'Bob', 13445, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 15768, 'Guangzhou', 28, 0, 
13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 14243, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 10768, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 14325, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 4, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 15686, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "car_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from SMALLINT  to LARGEINT
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column car_number LARGEINT  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 5, 'Yaan', 
25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `car_number` LARGEINT COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 13243, 
'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00')," +
+            "               (234567890, 'Bob', 13445, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 15768, 'Guangzhou', 28, 0, 
13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 14243, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 10768, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 14325, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 5, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 15686, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "car_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column car_number FLOAT  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.2, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `car_number` FLOAT COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 13243, 
'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00')," +
+            "               (234567890, 'Bob', 13445, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 15768, 'Guangzhou', 28, 0, 
13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 14243, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 10768, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 14325, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 1.2, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 15686, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "car_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column car_number DOUBLE  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.23, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `car_number` DOUBLE COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 13243, 
'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00')," +
+            "               (234567890, 'Bob', 13445, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 15768, 'Guangzhou', 28, 0, 
13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 14243, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 10768, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 14325, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 1.23, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 15686, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "car_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //TODO Test the unique model by modify a value type from SMALLINT  to 
DECIMAL
+    errorMessage = "errCode = 2, detailMessage = Can not change SMALLINT to 
DECIMAL32"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column car_number DECIMAL  """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.23, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+
+    }, errorMessage)
+
+    //TODO Test the unique model by modify a  value type from SMALLINT  to CHAR
+    errorMessage = "errCode = 2, detailMessage = Can not change SMALLINT to 
CHAR"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column car_number CHAR(15)  """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+
+    //Test the unique model by modify a value type from SMALLINT  to VARCHAR
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column car_number VARCHAR(100)  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `car_number` VARCHAR(100) COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 13243, 
'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00')," +
+            "               (234567890, 'Bob', 13445, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 15768, 'Guangzhou', 28, 0, 
13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 14243, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 10768, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 14325, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 'asd', 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 15686, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "car_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from SMALLINT  to STRING
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column car_number STRING  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `car_number` STRING COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 13243, 
'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00')," +
+            "               (234567890, 'Bob', 13445, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 15768, 'Guangzhou', 28, 0, 
13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 14243, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 10768, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 14325, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 'asd', 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 15686, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "car_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    /**
+     *  Test the unique model by modify a value type from INT to other type
+     */
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+    initTable = " CREATE TABLE IF NOT EXISTS ${tbName1}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `sn_number` INT COMMENT \"sn卡\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          UNIQUE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData = "insert into ${tbName1} values(123456789, 'Alice', 
2147483641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 214748364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 2147483441, 'Guangzhou', 28, 
0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 2147483141, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 2127483141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 2124483141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (789012345, 'Grace', 2123483141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+
+    //TODO Test the unique model by modify a value type from INT  to BOOLEAN
+    errorMessage = "errCode = 2, detailMessage = Can not change INT to BOOLEAN"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column sn_number BOOLEAN   """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', false, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+
+    // TODO Test the unique model by modify a value type from INT  to TINYINT
+    errorMessage = "errCode = 2, detailMessage = Can not change INT to TINYINT"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column sn_number TINYINT  """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 2, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+
+    //Test the unique model by modify a value type from INT  to SMALLINT
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column sn_number INT  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 3, 'Yaan', 
25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `sn_number` INT COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
2147483641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 214748364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 2147483441, 'Guangzhou', 28, 
0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 2147483141, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 2127483141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 2124483141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 3, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 2123483141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "sn_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from INT  to BIGINT
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column sn_number BIGINT  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 4, 'Yaan', 
25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `sn_number` BIGINT COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
2147483641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 214748364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 2147483441, 'Guangzhou', 28, 
0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 2147483141, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 2127483141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 2124483141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 4, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 2123483141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "sn_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from INT  to LARGEINT
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column sn_number LARGEINT  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 5, 'Yaan', 
25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `sn_number` LARGEINT COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
2147483641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 214748364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 2147483441, 'Guangzhou', 28, 
0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 2147483141, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 2127483141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 2124483141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 5, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 2123483141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "sn_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from INT  to FLOAT
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column sn_number FLOAT  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.2, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `sn_number` FLOAT COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
2147483641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 214748364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 2147483441, 'Guangzhou', 28, 
0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 2147483141, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 2127483141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 2124483141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 1.2, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 2123483141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "sn_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from INT  to DOUBLE
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column sn_number DOUBLE  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.23, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `sn_number` DOUBLE COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
2147483641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 214748364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 2147483441, 'Guangzhou', 28, 
0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 2147483141, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 2127483141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 2124483141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 1.23, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 2123483141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "sn_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //TODO Test the unique model by modify a value type from INT  to DECIMAL
+    errorMessage = "errCode = 2, detailMessage = Can not change INT to 
DECIMAL128"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column sn_number DECIMAL(38,0) 
 """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.23, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+
+    }, errorMessage)
+
+    //TODO Test the unique model by modify a  value type from INT  to CHAR
+    errorMessage = "errCode = 2, detailMessage = Can not change INT to CHAR"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column sn_number CHAR(15)  """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+
+    //Test the unique model by modify a value type from INT  to VARCHAR
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column sn_number VARCHAR(100)  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `sn_number` VARCHAR(100) COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
2147483641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 214748364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 2147483441, 'Guangzhou', 28, 
0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 2147483141, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 2127483141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 2124483141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 'asd', 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 2123483141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "sn_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from INT  to VARCHAR
+    errorMessage = "errCode = 2, detailMessage = Can not change from wider 
type INT to narrower type VARCHAR(2)"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column sn_number VARCHAR(2)  
"""
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+    //Test the unique model by modify a value type from INT  to STRING
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column sn_number STRING  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `sn_number` STRING COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
2147483641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 214748364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 2147483441, 'Guangzhou', 28, 
0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 2147483141, 'Shenzhen', 35, 1, 
13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 2127483141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 2124483141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 'asd', 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 2123483141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "sn_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    /**
+     *  Test the unique model by modify a value type from BIGINT to other type
+     */
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+    initTable = " CREATE TABLE IF NOT EXISTS ${tbName1}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `fan_number` BIGINT COMMENT \"fan序列号\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          UNIQUE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData = "insert into ${tbName1} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+
+    //TODO Test the unique model by modify a value type from BIGINT  to BOOLEAN
+    errorMessage = "errCode = 2, detailMessage = Can not change BIGINT to 
BOOLEAN"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column fan_number BOOLEAN   """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', false, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+
+    // TODO Test the unique model by modify a value type from BIGINT  to 
TINYINT
+    errorMessage = "errCode = 2, detailMessage = Can not change BIGINT to 
TINYINT"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column fan_number TINYINT  """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 2, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+
+    //Test the unique model by modify a value type from BIGINT  to SMALLINT
+    errorMessage = "errCode = 2, detailMessage = Can not change BIGINT to 
SMALLINT"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column fan_number SMALLINT  """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 3, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, false, "${tbName1}")
+    }, errorMessage)
+
+
+    //Test the unique model by modify a value type from BIGINT  to INT
+    errorMessage = "errCode = 2, detailMessage = Can not change BIGINT to INT"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column fan_number INT  """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 4, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+    //Test the unique model by modify a value type from BIGINT  to LARGEINT
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column fan_number LARGEINT  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 5, 'Yaan', 
25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `fan_number` LARGEINT COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (678901234, 'Frank', 5, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "fan_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from BIGINT  to FLOAT
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column fan_number FLOAT  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.2, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `fan_number` FLOAT COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (678901234, 'Frank', 1.2, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "fan_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from BIGINT  to DOUBLE
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column fan_number DOUBLE  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.23, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `fan_number` DOUBLE COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (678901234, 'Frank', 1.23, 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "fan_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //TODO Test the unique model by modify a value type from BIGINT  to DECIMAL
+    errorMessage = "errCode = 2, detailMessage = Can not change BIGINT to 
DECIMAL128"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column fan_number 
DECIMAL(38,0)  """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.23, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+
+    }, errorMessage)
+
+    //TODO Test the unique model by modify a  value type from BIGINT  to CHAR
+    errorMessage = "errCode = 2, detailMessage = Can not change BIGINT to CHAR"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column fan_number CHAR(15)  """
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+
+    //Test the unique model by modify a value type from BIGINT  to VARCHAR
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column fan_number VARCHAR(100)  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `fan_number` VARCHAR(100) COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (678901234, 'Frank', 'asd', 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "fan_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+    //Test the unique model by modify a value type from BIGINT  to VARCHAR(2)
+    errorMessage = "errCode = 2, detailMessage = Can not change from wider 
type BIGINT to narrower type VARCHAR(2)"
+    expectException({
+        sql initTable
+        sql initTableData
+        sql """ alter  table ${tbName1} MODIFY  column fan_number VARCHAR(2)  
"""
+        insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+        waitForSchemaChangeDone({
+            sql getTableStatusSql
+            time 60
+        }, insertSql, true, "${tbName1}")
+    }, errorMessage)
+
+
+    //Test the unique model by modify a value type from BIGINT  to STRING
+    sql initTable
+    sql initTableData
+    sql """ alter  table ${tbName1} MODIFY  column fan_number STRING  """
+    insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+    waitForSchemaChangeDone({
+        sql getTableStatusSql
+        time 60
+    }, insertSql, false, "${tbName1}")
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `fan_number` STRING COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (678901234, 'Frank', 'asd', 'Hangzhou', 32, 1, 
13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}", "${tbName2}", "fan_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+     /**
+      *  Test the unique model by modify a value type from LARGEINT to other 
type
+      */
+     sql """ DROP TABLE IF EXISTS ${tbName1} """
+     initTable = " CREATE TABLE IF NOT EXISTS ${tbName1}\n" +
+             "          (\n" +
+             "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+             "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+             "              `item_number` LARGEINT COMMENT \"item序列号\",\n" +
+             "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+             "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+             "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+             "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+             "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+             "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+             "          )\n" +
+             "          UNIQUE KEY(`user_id`, `username`)\n" +
+             "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+             "          PROPERTIES (\n" +
+             "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+             "          );"
+
+     initTableData = "insert into ${tbName1} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+             "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 
1, 13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+             "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+             "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+             "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+             "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+             "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+
+     //TODO Test the unique model by modify a value type from LARGEINT  to 
BOOLEAN
+     errorMessage = "errCode = 2, detailMessage = Can not change LARGEINT to 
BOOLEAN"
+     expectException({
+          sql initTable
+          sql initTableData
+          sql """ alter  table ${tbName1} MODIFY  column item_number BOOLEAN   
"""
+          insertSql = "insert into ${tbName1} values(993456689, 'Alice', 
false, 'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00'); "
+          waitForSchemaChangeDone({
+               sql getTableStatusSql
+               time 60
+          }, insertSql, true, "${tbName1}")
+     }, errorMessage)
+
+
+     // TODO Test the unique model by modify a value type from LARGEINT  to 
TINYINT
+     errorMessage = "errCode = 2, detailMessage = Can not change LARGEINT to 
TINYINT"
+     expectException({
+          sql initTable
+          sql initTableData
+          sql """ alter  table ${tbName1} MODIFY  column item_number TINYINT  
"""
+          insertSql = "insert into ${tbName1} values(993456689, 'Alice', 2, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+          waitForSchemaChangeDone({
+               sql getTableStatusSql
+               time 60
+          }, insertSql, true, "${tbName1}")
+     }, errorMessage)
+
+
+     //TODO Test the unique model by modify a value type from LARGEINT  to 
SMALLINT
+     errorMessage = "errCode = 2, detailMessage = Can not change LARGEINT to 
SMALLINT"
+     expectException({
+          sql initTable
+          sql initTableData
+          sql """ alter  table ${tbName1} MODIFY  column item_number SMALLINT  
"""
+          insertSql = "insert into ${tbName1} values(993456689, 'Alice', 3, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+          waitForSchemaChangeDone({
+               sql getTableStatusSql
+               time 60
+          }, insertSql, true, "${tbName1}")
+     }, errorMessage)
+
+     //TODO Test the unique model by modify a value type from LARGEINT  to INT
+     errorMessage = "errCode = 2, detailMessage = Can not change LARGEINT to 
INT"
+     expectException({
+          sql initTable
+          sql initTableData
+          sql """ alter  table ${tbName1} MODIFY  column item_number INT  """
+          insertSql = "insert into ${tbName1} values(993456689, 'Alice', 4, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+          waitForSchemaChangeDone({
+               sql getTableStatusSql
+               time 60
+          }, insertSql, true, "${tbName1}")
+     }, errorMessage)
+
+     //TODO Test the unique model by modify a value type from  LARGEINT to 
BIGINT
+     errorMessage="errCode = 2, detailMessage = Can not change LARGEINT to 
BIGINT"
+     expectException({
+          sql initTable
+          sql initTableData
+          sql """ alter  table ${tbName1} MODIFY  column item_number BIGINT  
"""
+          insertSql = "insert into ${tbName1} values(993456689, 'Alice', 5, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+          waitForSchemaChangeDone({
+               sql getTableStatusSql
+               time 60
+          }, insertSql, true, "${tbName1}")
+     },errorMessage)
+
+
+     //Test the unique model by modify a value type from LARGEINT  to FLOAT
+     sql initTable
+     sql initTableData
+     sql """ alter  table ${tbName1} MODIFY  column item_number FLOAT  """
+     insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.2, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+     waitForSchemaChangeDone({
+          sql getTableStatusSql
+          time 60
+     }, insertSql, false, "${tbName1}")
+
+
+     sql """ DROP TABLE IF EXISTS ${tbName2} """
+     initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+             "          (\n" +
+             "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+             "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+             "              `item_number` FLOAT COMMENT \"是否是学生\",\n" +
+             "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+             "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+             "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+             "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+             "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+             "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+             "          )\n" +
+             "          DUPLICATE KEY(`user_id`, `username`)\n" +
+             "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+             "          PROPERTIES (\n" +
+             "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+             "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 1.2, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+     sql initTable2
+     sql initTableData2
+     checkTableData("${tbName1}","${tbName2}","item_number")
+     sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+     //Test the unique model by modify a value type from LARGEINT  to DOUBLE
+     sql initTable
+     sql initTableData
+     sql """ alter  table ${tbName1} MODIFY  column item_number DOUBLE  """
+     insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.23, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+     waitForSchemaChangeDone({
+          sql getTableStatusSql
+          time 60
+     }, insertSql, false, "${tbName1}")
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `item_number` DOUBLE COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 1.23, 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}","${tbName2}","item_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+     //TODO Test the unique model by modify a value type from LARGEINT  to 
DECIMAL
+     errorMessage = "errCode = 2, detailMessage = Can not change LARGEINT to 
DECIMAL128"
+     expectException({
+          sql initTable
+          sql initTableData
+          sql """ alter  table ${tbName1} MODIFY  column item_number 
DECIMAL(38,0)  """
+          insertSql = "insert into ${tbName1} values(993456689, 'Alice', 1.23, 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+          waitForSchemaChangeDone({
+               sql getTableStatusSql
+               time 60
+          }, insertSql, true, "${tbName1}")
+     }, errorMessage)
+
+     //TODO Test the unique model by modify a  value type from LARGEINT  to 
CHAR
+     errorMessage = "errCode = 2, detailMessage = Can not change LARGEINT to 
CHAR"
+     expectException({
+          sql initTable
+          sql initTableData
+          sql """ alter  table ${tbName1} MODIFY  column item_number CHAR(15)  
"""
+          insertSql = "insert into ${tbName1} values(993456689, 'Alice', 
'asd', 'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00'); "
+          waitForSchemaChangeDone({
+               sql getTableStatusSql
+               time 60
+          }, insertSql, true, "${tbName1}")
+     }, errorMessage)
+
+
+     //Test the unique model by modify a value type from LARGEINT  to VARCHAR
+     sql initTable
+     sql initTableData
+     sql """ alter  table ${tbName1} MODIFY  column item_number VARCHAR(100)  
"""
+     insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+     waitForSchemaChangeDone({
+          sql getTableStatusSql
+          time 60
+     }, insertSql, false, "${tbName1}")
+
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `item_number` VARCHAR(100) COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 'asd', 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}","${tbName2}","item_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+
+
+     //Test the unique model by modify a value type from LARGEINT  to 
VARCHAR(2)
+     errorMessage="errCode = 2, detailMessage = Can not change from wider type 
LARGEINT to narrower type VARCHAR(2)"
+     expectException({
+          sql initTable
+          sql initTableData
+          sql """ alter  table ${tbName1} MODIFY  column item_number 
VARCHAR(2)  """
+          insertSql = "insert into ${tbName1} values(993456689, 'Alice', 
'asd', 'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 
10:00:00'); "
+          waitForSchemaChangeDone({
+               sql getTableStatusSql
+               time 60
+          }, insertSql, true, "${tbName1}")
+     },errorMessage)
+
+
+     //Test the unique model by modify a value type from LARGEINT  to STRING
+     sql initTable
+     sql initTableData
+     sql """ alter  table ${tbName1} MODIFY  column item_number STRING  """
+     insertSql = "insert into ${tbName1} values(993456689, 'Alice', 'asd', 
'Yaan', 25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+     waitForSchemaChangeDone({
+          sql getTableStatusSql
+          time 60
+     }, insertSql, false, "${tbName1}")
+
+    sql """ DROP TABLE IF EXISTS ${tbName2} """
+    initTable2 = " CREATE TABLE IF NOT EXISTS ${tbName2}\n" +
+            "          (\n" +
+            "              `user_id` LARGEINT NOT NULL COMMENT \"用户id\",\n" +
+            "              `username` VARCHAR(50) NOT NULL COMMENT 
\"用户昵称\",\n" +
+            "              `item_number` STRING COMMENT \"是否是学生\",\n" +
+            "              `city` VARCHAR(20) COMMENT \"用户所在城市\",\n" +
+            "              `age` SMALLINT COMMENT \"用户年龄\",\n" +
+            "              `sex` TINYINT COMMENT \"用户性别\",\n" +
+            "              `phone` LARGEINT COMMENT \"用户电话\",\n" +
+            "              `address` VARCHAR(500) COMMENT \"用户地址\",\n" +
+            "              `register_time` DATETIME COMMENT \"用户注册时间\"\n" +
+            "          )\n" +
+            "          DUPLICATE KEY(`user_id`, `username`)\n" +
+            "          DISTRIBUTED BY HASH(`user_id`) BUCKETS 1\n" +
+            "          PROPERTIES (\n" +
+            "          \"replication_allocation\" = \"tag.location.default: 
1\"\n" +
+            "          );"
+
+    initTableData2 = "insert into ${tbName2} values(123456789, 'Alice', 
21474832641, 'Beijing', 25, 0, 13812345678, 'No. 123 Street, Beijing', 
'2022-01-01 10:00:00')," +
+            "               (234567890, 'Bob', 21474348364, 'Shanghai', 30, 1, 
13998765432, 'No. 456 Street, Shanghai', '2022-02-02 12:00:00')," +
+            "               (345678901, 'Carol', 214742383441, 'Guangzhou', 
28, 0, 13724681357, 'No. 789 Street, Guangzhou', '2022-03-03 14:00:00')," +
+            "               (456789012, 'Dave', 21474283141, 'Shenzhen', 35, 
1, 13680864279, 'No. 987 Street, Shenzhen', '2022-04-04 16:00:00')," +
+            "               (567890123, 'Eve', 21274863141, 'Chengdu', 27, 0, 
13572468091, 'No. 654 Street, Chengdu', '2022-05-05 18:00:00')," +
+            "               (678901234, 'Frank', 21244883141, 'Hangzhou', 32, 
1, 13467985213, 'No. 321 Street, Hangzhou', '2022-06-06 20:00:00')," +
+            "               (993456689, 'Alice', 'asd', 'Yaan', 25, 0, 
13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00')," +
+            "               (789012345, 'Grace', 21234683141, 'Xian', 29, 0, 
13333333333, 'No. 222 Street, Xian', '2022-07-07 22:00:00');"
+    sql initTable2
+    sql initTableData2
+    checkTableData("${tbName1}","${tbName2}","item_number")
+    sql """ DROP TABLE IF EXISTS ${tbName1} """
+
+}


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