content: /*
   * Copyright 1999-2018 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.mysql;
  
  import com.alibaba.druid.pool.DruidDataSource;
  import junit.framework.TestCase;
  
  import java.sql.Connection;
  import java.sql.PreparedStatement;
  import java.sql.SQLException;
  import java.sql.Statement;
  
  public class MySqlBigTableTest extends TestCase {
      final int COUNT = 800;
  
      private String jdbcUrl;
      private String user;
      private String password;
      private String driverClass;
  
      private DruidDataSource dataSource;
  
      protected void setUp() throws Exception {
          jdbcUrl = "jdbc:mysql://a.b.c.d:3306/dragoon_v25_masterdb";
          user = "dragoon_test";
          password = "dragoon_test";
          driverClass = "com.mysql.jdbc.Driver";
  
          dataSource = new DruidDataSource();
          dataSource.setDriverClassName(driverClass);
          dataSource.setUrl(jdbcUrl);
          dataSource.setPoolPreparedStatements(true);
          dataSource.setUsername(user);
          dataSource.setPassword(password);
  
          createTable();
      }
  
      protected void tearDown() throws Exception {
          try {
              dropTable();
          } catch (SQLException e) {
              e.printStackTrace();
          }
  
          if (dataSource != null) {
              dataSource.close();
          }
      }
  
      public void test_0() throws Exception {
          StringBuilder ddl = new StringBuilder();
          ddl.append("INSERT INTO t_big (");
          for (int i = 0; i < COUNT; ++i) {
              if (i != 0) {
                  ddl.append(", ");
              }
              ddl.append("F" + i);
          }
          ddl.append(") VALUES (");
          for (int i = 0; i < COUNT; ++i) {
              if (i != 0) {
                  ddl.append(", ");
              }
              ddl.append("?");
          }
          ddl.append(")");
  
          Connection conn = dataSource.getConnection();
  
          System.out.println(ddl.toString());
  
          PreparedStatement stmt = conn.prepareStatement(ddl.toString());
  
          for (int i = 0; i < COUNT; ++i) {
              stmt.setInt(i + 1, i);
          }
          stmt.execute();
          stmt.close();
  
          conn.close();
      }
  
      private void dropTable() throws SQLException {
          Connection conn = dataSource.getConnection();
  
          Statement stmt = conn.createStatement();
          stmt.execute("DROP TABLE t_big");
          stmt.close();
  
          conn.close();
      }
  
      private void createTable() throws SQLException {
          StringBuilder ddl = new StringBuilder();
          ddl.append("CREATE TABLE t_big (FID INT AUTO_INCREMENT PRIMARY KEY ");
          for (int i = 0; i < COUNT; ++i) {
              ddl.append(", ");
              ddl.append("F" + i);
              ddl.append(" BIGINT NULL");
          }
          ddl.append(")");
  
          Connection conn = dataSource.getConnection();
  
          Statement stmt = conn.createStatement();
          stmt.execute(ddl.toString());
          stmt.close();
  
          conn.close();
      }
  }
  