content: /*
   * 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 com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.util.JdbcUtils;
  import junit.framework.TestCase;
  
  public class DistinctTest extends TestCase {
      private String sql = "select count(distinct *) from t";
  
      public void test_mysql() throws Exception {
          assertEquals("SELECT count(DISTINCT *)\nFROM t", SQLUtils.format(sql, JdbcUtils.MYSQL));
      }
  
      public void test_oracle() throws Exception {
          assertEquals("SELECT count(DISTINCT *)\nFROM t", SQLUtils.format(sql, JdbcUtils.ORACLE));
      }
  
      public void test_oracle_unique() throws Exception {
          assertEquals("SELECT count(UNIQUE *)\nFROM t",
                  SQLUtils.format("select count(unique *) from t", JdbcUtils.ORACLE));
      }
  
      public void test_postgres() throws Exception {
          assertEquals("SELECT count(DISTINCT *)\nFROM t", SQLUtils.format(sql, JdbcUtils.POSTGRESQL));
      }
  
      public void test_sql92() throws Exception {
          assertEquals("SELECT count(DISTINCT *)\nFROM t", SQLUtils.format(sql, (DbType) null));
      }
  }
  