GetNumberOfRowsScrollableResultSet_MySQL.java Source code

Introduction

Here is the source code for GetNumberOfRowsScrollableResultSet_MySQL.java

Source

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class GetNumberOfRowsScrollableResultSet_MySQL {

    public static Connection getConnection() throws Exception {
        String driver = "org.gjt.mm.mysql.Driver";
        String url = "jdbc:mysql://localhost/databaseName";
        String username = "root";
        String password = "root";
        Class.forName(driver);
        Connection conn = DriverManager.getConnection(url, username, password);
        return conn;
    }

    public static void main(String[] args) {
        Connection conn = null;
        Statement stmt = null;
        ResultSet rs = null;
        try {
            conn = getConnection();
            String query = "select id from employees";
            stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);

            rs = stmt.executeQuery(query);
            // extract data from the ResultSet scroll from top
            while (rs.next()) {
                String id = rs.getString(1);
                System.out.println("id=" + id);
            }
            // move to the end of the result set
            rs.last();
            // get the row number of the last row which is also the row count
            int rowCount = rs.getRow();
            System.out.println("rowCount=" + rowCount);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                rs.close();
                stmt.close();
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}