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annotate example/PreparedExample.java @ 0:a5a898f6886c

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Copy of MonetDB java directory changeset e6e32756ad31.
author Sjoerd Mullender <sjoerd@acm.org>
date Wed, 21 Sep 2016 09:34:48 +0200 (2016-09-21)
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children 073ee535234b b9b35ca2eec2
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1 /*
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2 * This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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5 *
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2016 MonetDB B.V.
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7 */
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8
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9 import java.sql.*;
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10
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11 /**
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12 * This example shows the use of the PreparedStatement
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13 *
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14 * @author Fabian Groffen
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15 */
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16 public class PreparedExample {
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17 public static void main(String[] args) throws Exception {
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18 // make sure the driver is loaded
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19 Class.forName("nl.cwi.monetdb.jdbc.MonetDriver");
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20 Connection con = DriverManager.getConnection("jdbc:monetdb://localhost/notused", "monetdb", "monetdb");
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21 PreparedStatement st = con.prepareStatement("SELECT ? AS a1, ? AS a2");
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22 ResultSet rs;
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23
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24 st.setString(1, "te\\s't");
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25 st.setInt(2, 10);
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26
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27 rs = st.executeQuery();
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28 // get meta data and print columns with their type
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29 ResultSetMetaData md = rs.getMetaData();
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30 for (int i = 1; i <= md.getColumnCount(); i++) {
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31 System.out.print(md.getColumnName(i) + ":" +
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32 md.getColumnTypeName(i) + "\t");
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33 }
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34 System.out.println("");
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35
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36 while (rs.next()) {
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37 for (int j = 1; j <= md.getColumnCount(); j++) {
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38 System.out.print(rs.getString(j) + "\t");
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39 }
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40 System.out.println("");
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41 }
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42
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43 con.close();
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44 }
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45 }