Demo Prepared Statement Set Ascii Stream : Stream Data « Database SQL JDBC « Java

1. Java
2. Database SQL JDBC
3. Stream Data

Demo Prepared Statement Set Ascii Stream

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class DemoPreparedStatementSetAsciiStream {
  public static Connection getConnection() throws Exception {
    String driver = "oracle.jdbc.driver.OracleDriver";
    String url = "jdbc:oracle:thin:@localhost:1521:databaseName";
    String username = "name";
    String password = "password";
    Class.forName(driver);
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

  public static void main(String[] args) {
    Connection conn = null;
    PreparedStatement pstmt = null;
    String query = null;
    try {
      conn = getConnection();
      String fileName = "fileName.txt";
      File file = new File(fileName);
      int fileLength = (int) file.length();
      InputStream stream = (InputStream) new FileInputStream(file);

      query = "insert into  LONG_VARCHAR_TABLE(id, stream) values(?, ?)";
      pstmt = conn.prepareStatement(query);
      pstmt.setString(1, fileName);
      pstmt.setAsciiStream(2, stream, fileLength);

      int rowCount = pstmt.executeUpdate();
      System.out.println("rowCount=" + rowCount);
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      try {
        pstmt.close();
        conn.close();
      } catch (SQLException e) {
        e.printStackTrace();
      }
    }
  }
}

           
       

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