Source Code : Get BLOB data from resultset

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Get BLOB data from resultset

  
/*

Defining the Table: Oracle and MySql

create table MyPictures (
   id INT PRIMARY KEY,
   name VARCHAR(0),
   photo BLOB
);
*/
       
import java.sql.Blob;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

import javax.swing.JPanel;

public class BlobSelect extends JPanel {
  public static void main(String args[]) throws Exception {
    Connection conn = null;
    byte[] data = getBLOB(01, conn);
  }

  public static byte[] getBLOB(int id, Connection conn) throws Exception {
    ResultSet rs = null;
    PreparedStatement pstmt = null;
    String query = "SELECT photo FROM MyPictures WHERE id = ?";
    try {
      pstmt = conn.prepareStatement(query);
      pstmt.setInt(1, id);
      rs = pstmt.executeQuery();
      rs.next();
      Blob blob = rs.getBlob("photo");
      // materialize BLOB onto client
      return blob.getBytes(1, (int) blob.length());
    } finally {
      rs.close();
      pstmt.close();
      conn.close();
    }
  }

}
           
         
    
  

Thank with us