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.mysql.select;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.MysqlTest;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
  import com.alibaba.druid.sql.parser.SQLParserFeature;
  
  import java.util.List;
  
  public class MySqlSelectTest_228 extends MysqlTest {
      public void test_0() throws Exception {
          String sql = "SELECT *\n" +
                  "FROM (\n" +
                  "  SELECT pk AS pk, ? AS 1024, varchar_test AS varchar_test\n" +
                  "  FROM select_base_one_one_db_one_tb\n" +
                  "  ORDER BY pk\n" +
                  "  LIMIT ?\n" +
                  ") x";
  
  //        System.out.println(sql);
  
          MySqlStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> statementList = parser.parseStatementList();
  
          assertEquals(1, statementList.size());
  
          SQLStatement stmt = statementList.get(0);
  
          assertEquals("SELECT *\n" +
                  "FROM (\n" +
                  "\tSELECT pk AS pk, ? AS \"1024\", varchar_test AS varchar_test\n" +
                  "\tFROM select_base_one_one_db_one_tb\n" +
                  "\tORDER BY pk\n" +
                  "\tLIMIT ?\n" +
                  ") x", stmt.toString());
      }
  
      public void test_genAlias() throws Exception {
          String sql = "select pk, '1024', varchar_test from select_base_one_one_db_one_tb order by pk limit 10";
          SQLStatement stmt = SQLUtils.parseSingleStatement(sql, DbType.mysql, SQLParserFeature.SelectItemGenerateAlias);
          assertEquals("SELECT pk, '1024', varchar_test\n" +
                  "FROM select_base_one_one_db_one_tb\n" +
                  "ORDER BY pk\n" +
                  "LIMIT 10", stmt.toString());
      }
  
      public void test_genAlias2() throws Exception {
          String sql = "SELECT json_size('{\"x\": {\"a\": 1, \"b\": 2}}', '$.x')\n";
          SQLStatement stmt = SQLUtils.parseSingleStatement(sql, DbType.mysql, SQLParserFeature.SelectItemGenerateAlias);
          assertEquals("SELECT json_size('{\"x\": {\"a\": 1, \"b\": 2}}', '$.x') AS `json_size('{\"x\": {\"a\": 1, \"b\": 2}}', '$.x')`", stmt.toString());
      }
  
      public void test_genAlias3() throws Exception {
          String sql = "select cardinality(regexp_extract_all('test', '\"meid\":\"'));";
          SQLStatement stmt = SQLUtils.parseSingleStatement(sql, DbType.mysql, SQLParserFeature.SelectItemGenerateAlias);
  
          assertEquals("SELECT cardinality(regexp_extract_all('test', '\"meid\":\"')) AS `cardinality(regexp_extract_all('test', '\"meid\":\"'))`;", stmt.toString());
      }
  }
  