/*
* Copyright 1999-2017 Alibaba Group Holding Ltd.
*
* Licensed 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 com.alibaba.druid.bvt.sql;
import org.junit.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.util.JdbcUtils;
public class DistinctTest extends TestCase {
private String sql = "select count(distinct *) from t";
public void test_mysql() throws Exception {
Assert.assertEquals("SELECT COUNT(DISTINCT *)\nFROM t", SQLUtils.format(sql, JdbcUtils.MYSQL));
}
public void test_oracle() throws Exception {
Assert.assertEquals("SELECT COUNT(DISTINCT *)\nFROM t", SQLUtils.format(sql, JdbcUtils.ORACLE));
Assert.assertEquals("SELECT COUNT(DISTINCT *)\nFROM t", SQLUtils.format(sql, JdbcUtils.ALI_ORACLE));
}
public void test_oracle_unique() throws Exception {
Assert.assertEquals("SELECT COUNT(UNIQUE *)\nFROM t",
SQLUtils.format("select count(unique *) from t", JdbcUtils.ORACLE));
Assert.assertEquals("SELECT COUNT(UNIQUE *)\nFROM t",
SQLUtils.format("select count(unique *) from t", JdbcUtils.ALI_ORACLE));
}
public void test_postgres() throws Exception {
Assert.assertEquals("SELECT COUNT(DISTINCT *)\nFROM t", SQLUtils.format(sql, JdbcUtils.POSTGRESQL));
}
public void test_sql92() throws Exception {
Assert.assertEquals("SELECT COUNT(DISTINCT *)\nFROM t", SQLUtils.format(sql, null));
}
}