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.bvt.proxy;
  
  import com.alibaba.druid.proxy.DruidDriver;
  import com.alibaba.druid.stat.JdbcStatManager;
  import com.alibaba.druid.util.JdbcUtils;
  import junit.framework.TestCase;
  
  import java.io.ByteArrayInputStream;
  import java.sql.*;
  
  public class BlobTest extends TestCase {
      private static String create_url = "jdbc:wrap-jdbc:filters=default,commonLogging,log4j:name=demo:jdbc:derby:memory:blobTestDB;create=true";
  
      protected void setUp() throws Exception {
          Class.forName("com.alibaba.druid.proxy.DruidDriver");
  
          Connection conn = DriverManager.getConnection(create_url);
  
          createTable();
  
          conn.close();
      }
  
      private void createTable() throws SQLException {
          Connection conn = DriverManager.getConnection(create_url);
          Statement stmt = conn.createStatement();
          stmt.execute("CREATE TABLE T_BLOB (ID INTEGER, DATA BLOB)");
          stmt.close();
          conn.close();
      }
  
      private void dropTable() throws SQLException {
          Connection conn = DriverManager.getConnection(create_url);
          Statement stmt = conn.createStatement();
          stmt.execute("DROP TABLE T_BLOB");
          stmt.close();
          conn.close();
      }
  
      protected void tearDown() throws Exception {
          dropTable();
  
          DruidDriver.getProxyDataSources().clear();
          assertEquals(0, JdbcStatManager.getInstance().getSqlList().size());
      }
  
      public void test_blob() throws Exception {
          Connection conn = null;
          PreparedStatement pstmt = null;
          Statement stmt = null;
          ResultSet rs = null;
  
          try {
              conn = DriverManager.getConnection(create_url);
  
              conn.setCatalog(conn.getCatalog());
              conn.setClientInfo(conn.getClientInfo());
              conn.setHoldability(conn.getHoldability());
              conn.setReadOnly(conn.isReadOnly());
              conn.setTransactionIsolation(conn.getTransactionIsolation());
              conn.setTypeMap(conn.getTypeMap());
  
              pstmt = conn.prepareStatement("INSERT INTO T_BLOB (ID, DATA) VALUES (?, ?)");
  
              Blob blob = conn.createBlob();
  
              blob.setBytes(1, new byte[100]);
  
              pstmt.setInt(1, 1);
              pstmt.setBlob(2, blob);
  
              int updateCount = pstmt.executeUpdate();
              assertEquals(1, updateCount);
  
              pstmt.setInt(1, 2);
              pstmt.setBlob(2, new ByteArrayInputStream("XBCSDasdfasdfasfasfF".getBytes()));
              updateCount = pstmt.executeUpdate();
              assertEquals(1, updateCount);
  
              pstmt.setInt(1, 2);
              pstmt.setBlob(2, new ByteArrayInputStream("XBCSDasdfasdfasfasfF".getBytes()), 20);
              updateCount = pstmt.executeUpdate();
              assertEquals(1, updateCount);
  
              stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE,
                      ResultSet.CLOSE_CURSORS_AT_COMMIT);
  
              conn.nativeSQL("SELECT ID, DATA FROM T_BLOB");
              // //////
              rs = stmt.executeQuery("SELECT ID, DATA FROM T_BLOB");
              rs.getStatement(); // just call
              while (rs.next()) {
                  Blob readBlob = rs.getBlob(2);
                  readBlob.length();
                  readBlob.getBinaryStream(1, 10).close();
                  readBlob.getBinaryStream().close();
                  readBlob.free();
              }
              JdbcUtils.close(rs);
  
              rs = stmt.executeQuery("SELECT ID, DATA FROM T_BLOB");
              while (rs.next()) {
                  rs.getBinaryStream(2).close();
              }
              JdbcUtils.close(rs);
  
              rs = stmt.executeQuery("SELECT ID, DATA FROM T_BLOB");
              while (rs.next()) {
                  rs.getBinaryStream("DATA").close();
              }
              JdbcUtils.close(rs);
  
              rs = stmt.executeQuery("SELECT ID, DATA FROM T_BLOB");
              while (rs.next()) {
                  rs.getBytes(2);
              }
              JdbcUtils.close(rs);
  
              rs = stmt.executeQuery("SELECT ID, DATA FROM T_BLOB");
              while (rs.next()) {
                  Blob x = conn.createBlob();
                  x.setBytes(1, new byte[100]);
                  rs.updateBlob(2, x);
              }
              JdbcUtils.close(rs);
  
              rs = stmt.executeQuery("SELECT ID, DATA FROM T_BLOB");
              while (rs.next()) {
                  Blob x = conn.createBlob();
                  x.setBytes(1, new byte[100]);
                  rs.updateBlob("DATA", x);
              }
              JdbcUtils.close(rs);
  
              rs = stmt.executeQuery("SELECT ID, DATA FROM T_BLOB");
              while (rs.next()) {
                  rs.updateBlob("DATA", new ByteArrayInputStream(new byte[100]));
              }
              JdbcUtils.close(rs);
  
              rs = stmt.executeQuery("SELECT ID, DATA FROM T_BLOB");
              while (rs.next()) {
                  rs.updateBlob(2, new ByteArrayInputStream(new byte[100]));
              }
  
              rs = stmt.executeQuery("SELECT ID, DATA FROM T_BLOB");
              while (rs.next()) {
                  rs.updateBlob("DATA", new ByteArrayInputStream(new byte[100]), 100);
              }
              JdbcUtils.close(rs);
  
              rs = stmt.executeQuery("SELECT ID, DATA FROM T_BLOB");
              while (rs.next()) {
                  rs.updateBlob(2, new ByteArrayInputStream(new byte[100]), 100);
              }
              JdbcUtils.close(rs);
          } finally {
              JdbcUtils.close(rs);
              JdbcUtils.close(stmt);
              JdbcUtils.close(pstmt);
              JdbcUtils.close(conn);
          }
      }
  }
  