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comparison tests/Test_PSmetadata.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 04fbf3655452
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-1:000000000000 0:a5a898f6886c
1 /*
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
5 *
6 * Copyright 1997 - July 2008 CWI, August 2008 - 2016 MonetDB B.V.
7 */
8
9 import java.sql.*;
10
11 public class Test_PSmetadata {
12 public static void main(String[] args) throws Exception {
13 Class.forName("nl.cwi.monetdb.jdbc.MonetDriver");
14 Connection con = DriverManager.getConnection(args[0]);
15 Statement stmt = con.createStatement();
16 PreparedStatement pstmt;
17 ResultSet rs = null;
18 ResultSetMetaData rsmd = null;
19 ParameterMetaData pmd = null;
20
21 con.setAutoCommit(false);
22 // >> false: auto commit should be off now
23 System.out.println("0. false\t" + con.getAutoCommit());
24
25 try {
26 stmt.executeUpdate("CREATE TABLE table_Test_PSmetadata ( myint int, mydouble double, mybool boolean, myvarchar varchar(15), myclob clob )");
27
28 // all NULLs
29 stmt.executeUpdate("INSERT INTO table_Test_PSmetadata VALUES (NULL, NULL, NULL, NULL, NULL)");
30 // all filled in
31 stmt.executeUpdate("INSERT INTO table_Test_PSmetadata VALUES (2 , 3.0, true, 'A string', 'bla bla bla')");
32
33 pstmt = con.prepareStatement("SELECT CASE WHEN myint IS NULL THEN 0 ELSE 1 END AS intnull, * FROM table_Test_PSmetadata WHERE myint = ?");
34
35 rsmd = pstmt.getMetaData();
36
37 System.out.println("0. 6 columns:\t" + rsmd.getColumnCount());
38 for (int col = 1; col <= rsmd.getColumnCount(); col++) {
39 System.out.println("" + col + ".\t" + rsmd.getCatalogName(col));
40 System.out.println("\tclassname " + rsmd.getColumnClassName(col));
41 System.out.println("\tdisplaysize " + rsmd.getColumnDisplaySize(col));
42 System.out.println("\tlabel " + rsmd.getColumnLabel(col));
43 System.out.println("\tname " + rsmd.getColumnName(col));
44 System.out.println("\ttype " + rsmd.getColumnType(col));
45 System.out.println("\ttypename " + rsmd.getColumnTypeName(col));
46 System.out.println("\tprecision " + rsmd.getPrecision(col));
47 System.out.println("\tscale " + rsmd.getScale(col));
48 System.out.println("\tschemaname " + rsmd.getSchemaName(col));
49 System.out.println("\ttablename " + rsmd.getTableName(col));
50 System.out.println("\tautoincrement " + rsmd.isAutoIncrement(col));
51 System.out.println("\tcasesensitive " + rsmd.isCaseSensitive(col));
52 System.out.println("\tcurrency " + rsmd.isCurrency(col));
53 System.out.println("\tdefwritable " + rsmd.isDefinitelyWritable(col));
54 System.out.println("\tnullable " + rsmd.isNullable(col));
55 System.out.println("\treadonly " + rsmd.isReadOnly(col));
56 System.out.println("\tsearchable " + rsmd.isSearchable(col));
57 System.out.println("\tsigned " + rsmd.isSigned(col));
58 System.out.println("\twritable " + rsmd.isWritable(col));
59 }
60
61 pmd = pstmt.getParameterMetaData();
62 System.out.println("1. 1 parameter:\t" + pmd.getParameterCount());
63 for (int col = 1; col <= pmd.getParameterCount(); col++) {
64 System.out.println("" + col + ".");
65 System.out.println("\tnullable " + pmd.isNullable(col));
66 System.out.println("\tsigned " + pmd.isSigned(col));
67 System.out.println("\tprecision " + pmd.getPrecision(col));
68 System.out.println("\tscale " + pmd.getScale(col));
69 System.out.println("\ttype " + pmd.getParameterType(col));
70 System.out.println("\ttypename " + pmd.getParameterTypeName(col));
71 System.out.println("\tclassname " + pmd.getParameterClassName(col));
72 System.out.println("\tmode " + pmd.getParameterMode(col));
73 }
74 } catch (SQLException e) {
75 System.out.println("failed :( "+ e.getMessage());
76 System.out.println("ABORTING TEST!!!");
77 }
78
79 con.rollback();
80 con.close();
81 }
82
83 private static String isInstance(Object obj, String type) {
84 if (obj == null)
85 return("(null)");
86 try {
87 Class c = Class.forName(type);
88 if (c.isInstance(obj)) {
89 return(obj.getClass().getName() + " is an instance of " + type);
90 } else {
91 return(obj.getClass().getName() + " is NOT an instance of " + type);
92 }
93 } catch (ClassNotFoundException e) {
94 return("No such class: " + type);
95 }
96 }
97 }