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.SQLDataTypeRefExpr;
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.expr.SQLMethodInvokeExpr;
  import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
  
  public class MySqlSelectTest_247 extends MysqlTest {
      public void test_0() throws Exception {
          String sql = "select CONVERT(id, char(20))";
  
          SQLSelectStatement stmt = (SQLSelectStatement) SQLUtils.parseSingleStatement(sql, DbType.mysql);
  
          assertEquals("SELECT CONVERT(id, char(20))", stmt.toString());
  
          SQLMethodInvokeExpr convert = (SQLMethodInvokeExpr) stmt.getSelect().getQueryBlock().getSelectList().get(0).getExpr();
          SQLExpr arg1 = convert.getArguments().get(1);
          assertEquals(SQLDataTypeRefExpr.class, arg1.getClass());
      }
  }
  