view example/PreparedExample.java @ 925:4dfdb62e3e9d

Extend JDBC_API_Tester program with optional second startup argument '-skipMALoutput'. This allows the JDBC_API_Tester program to be called to skip the comparing the MAL output of tests which return MAL output such as PLAN, EXPLAIN and TRACE statements. It is intended for internal development use only.
author Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date Thu, 08 Aug 2024 15:26:28 +0200 (8 months ago)
parents e890195256ac
children d416e9b6b3d0
line wrap: on
line source
/*
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0.  If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright 2024 MonetDB Foundation;
 * Copyright August 2008 - 2023 MonetDB B.V.;
 * Copyright 1997 - July 2008 CWI.
 */

import java.sql.*;

/**
 * This example shows the use of the PreparedStatement
 *
 * @author Fabian Groffen
 */
public class PreparedExample {
	public static void main(String[] args) throws Exception {
		Connection con = DriverManager.getConnection("jdbc:monetdb://localhost/notused", "monetdb", "monetdb");
		PreparedStatement st = con.prepareStatement("SELECT ? AS a1, ? AS a2");
		ResultSet rs;

		st.setString(1, "te\\s't");
		st.setInt(2, 10);

		rs = st.executeQuery();
		// get meta data and print columns with their type
		ResultSetMetaData md = rs.getMetaData();
		for (int i = 1; i <= md.getColumnCount(); i++) {
			System.out.print(md.getColumnName(i) + ":" +
				md.getColumnTypeName(i) + "\t");
		}
		System.out.println("");

		while (rs.next()) {
			for (int j = 1; j <= md.getColumnCount(); j++) {
				System.out.print(rs.getString(j) + "\t");
			}
			System.out.println("");
		}
		rs.close();

		con.close();
	}
}