| /* |
| * 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. |
| */ |
| |
| package org.apache.carbondata.spark.testsuite.createTable |
| |
| import org.apache.spark.sql.test.util.QueryTest |
| import org.scalatest.BeforeAndAfterAll |
| |
| /** |
| * test functionality for alter table with table comment |
| */ |
| class TestAlterTableWithTableComment extends QueryTest with BeforeAndAfterAll { |
| |
| override def beforeAll { |
| sql("use default") |
| sql("drop table if exists alterTableWithTableComment") |
| sql("drop table if exists alterTableWithoutTableComment") |
| sql("drop table if exists alterTableUnsetTableComment") |
| } |
| |
| test("test add table comment using alter table set ") { |
| sql( |
| s""" |
| | create table alterTableWithTableComment( |
| | id int, |
| | name string |
| | ) |
| | STORED AS carbondata |
| """.stripMargin |
| ) |
| |
| val create_result = sql("describe formatted alterTableWithTableComment") |
| |
| checkExistence(create_result, true, "Comment") |
| checkExistence(create_result, false, "This is table comment") |
| |
| sql( |
| s""" |
| | alter table alterTableWithTableComment |
| | SET TBLPROPERTIES ( |
| | 'comment'='This table comment is added by alter table' |
| | ) |
| """.stripMargin |
| ) |
| |
| val alter_result = sql("describe formatted alterTableWithTableComment") |
| |
| checkExistence(alter_result, true, "Comment") |
| checkExistence(alter_result, true, "This table comment is added by alter table") |
| } |
| |
| test("test modifiy table comment using alter table set ") { |
| sql( |
| s""" |
| | create table alterTableWithoutTableComment( |
| | id int, |
| | name string |
| | comment "This is table comment" |
| | ) |
| | STORED AS carbondata |
| """.stripMargin |
| ) |
| |
| sql( |
| s""" |
| | alter table alterTableWithoutTableComment |
| | SET TBLPROPERTIES ( |
| | 'comment'='This table comment is modified by alter table set' |
| | ) |
| """.stripMargin |
| ) |
| |
| val alter_result = sql("describe formatted alterTableWithoutTableComment") |
| |
| checkExistence(alter_result, true, "Comment") |
| checkExistence(alter_result, true, "This table comment is modified by alter table set") |
| } |
| |
| test("test remove table comment using alter table unset ") { |
| sql( |
| s""" |
| | create table alterTableUnsetTableComment( |
| | id int, |
| | name string |
| | ) |
| | comment "This is table comment" |
| | STORED AS carbondata |
| """.stripMargin |
| ) |
| |
| val create_result = sql("describe formatted alterTableUnsetTableComment") |
| |
| checkExistence(create_result, true, "Comment") |
| checkExistence(create_result, true, "This is table comment") |
| |
| sql( |
| s""" |
| | alter table alterTableUnsetTableComment |
| | UNSET TBLPROPERTIES ('comment') |
| """.stripMargin |
| ) |
| |
| val alter_result = sql("describe formatted alterTableUnsetTableComment") |
| |
| checkExistence(alter_result, true, "Comment") |
| checkExistence(alter_result, false, "This is table comment") |
| } |
| |
| override def afterAll: Unit = { |
| sql("use default") |
| sql("drop table if exists alterTableWithTableComment") |
| sql("drop table if exists alterTableWithoutTableComment") |
| sql("drop table if exists alterTableUnsetTableComment") |
| } |
| |
| } |