Mercurial > hg > monetdb-java
diff example/PreparedExample.java @ 0:a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
author | Sjoerd Mullender <sjoerd@acm.org> |
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date | Wed, 21 Sep 2016 09:34:48 +0200 (2016-09-21) |
parents | |
children | 073ee535234b b9b35ca2eec2 |
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new file mode 100644 --- /dev/null +++ b/example/PreparedExample.java @@ -0,0 +1,45 @@ +/* + * 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 1997 - July 2008 CWI, August 2008 - 2016 MonetDB B.V. + */ + +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 { + // make sure the driver is loaded + Class.forName("nl.cwi.monetdb.jdbc.MonetDriver"); + 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(""); + } + + con.close(); + } +}