forked from tada/pljava
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathTester.java
More file actions
281 lines (250 loc) · 6.95 KB
/
Copy pathTester.java
File metadata and controls
281 lines (250 loc) · 6.95 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
/*
* This file contains software that has been made available under
* The Mozilla Public License 1.1. Use and distribution hereof are
* subject to the restrictions set forth therein.
*
* Copyright (c) 2003 TADA AB - Taby Sweden
* All Rights Reserved
*/
package org.postgresql.pljava.test;
import java.sql.Timestamp;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.SQLException;
/**
* Some fairly crude tests.
*
* @author Thomas Hallgren
*/
public class Tester
{
private final Connection m_connection;
public static void main(String[] argv)
{
try
{
Class.forName("org.postgresql.Driver");
Connection c = DriverManager.getConnection(
"jdbc:postgresql://localhost/postgres",
"postgres",
null);
Tester t = new Tester(c);
t.initializeLanguage();
t.testParameters();
t.testInsertUsernameTrigger();
t.testModdatetimeTrigger();
t.close();
}
catch(Exception e)
{
e.printStackTrace();
}
}
public Tester(Connection conn)
{
m_connection = conn;
}
public void close()
throws SQLException
{
m_connection.close();
}
public void testParameters()
throws SQLException
{
this.testTimestamp();
this.testInt();
}
public void testModdatetimeTrigger()
throws SQLException
{
Statement stmt = m_connection.createStatement();
try
{
stmt.execute("DROP TABLE mdt");
}
catch(SQLException e)
{
// No problem really. Just means that it didn't exist.
//
System.out.println(e.getMessage());
}
stmt.execute(
"CREATE TABLE mdt (" +
" id int4," +
" idesc text," +
" moddate timestamp DEFAULT CURRENT_TIMESTAMP NOT NULL)");
stmt.execute(
"CREATE FUNCTION moddatetime()" +
" RETURNS trigger" +
" AS 'org.postgresql.pljava.example.Triggers.moddatetime'" +
" LANGUAGE java");
stmt.execute(
"CREATE TRIGGER mdt_moddatetime" +
" BEFORE UPDATE ON mdt" +
" FOR EACH ROW" +
" EXECUTE PROCEDURE moddatetime (moddate)");
stmt.execute("INSERT INTO mdt VALUES (1, 'first')");
stmt.execute("INSERT INTO mdt VALUES (2, 'second')");
stmt.execute("INSERT INTO mdt VALUES (3, 'third')");
ResultSet rs = stmt.executeQuery("SELECT * FROM mdt");
while(rs.next())
{
int id = rs.getInt(1);
String idesc = rs.getString(2);
Timestamp moddate = rs.getTimestamp(3);
System.out.println(
"Id = \"" + id +
"\", idesc = \"" + idesc +
"\", moddate = \"" + moddate + "\"");
}
rs.close();
stmt.execute("UPDATE mdt SET id = 4 WHERE id = 1");
stmt.execute("UPDATE mdt SET id = 5 WHERE id = 2");
stmt.execute("UPDATE mdt SET id = 6 WHERE id = 3");
rs = stmt.executeQuery("SELECT * FROM mdt");
while(rs.next())
{
int id = rs.getInt(1);
String idesc = rs.getString(2);
Timestamp moddate = rs.getTimestamp(3);
System.out.println(
"Id = \"" + id +
"\", idesc = \"" + idesc +
"\", moddate = \"" + moddate + "\"");
}
rs.close();
stmt.close();
}
public void testInsertUsernameTrigger()
throws SQLException
{
Statement stmt = m_connection.createStatement();
try
{
stmt.execute("DROP TABLE username_test");
}
catch(SQLException e)
{
// No problem really. Just means that it didn't exist.
//
System.out.println(e.getMessage());
}
stmt.execute(
"CREATE TABLE username_test (" +
" name text," +
" username text not null)");
stmt.execute(
"CREATE FUNCTION insert_username()" +
" RETURNS trigger" +
" AS 'org.postgresql.pljava.example.Triggers.insertUsername'" +
" LANGUAGE java");
stmt.execute(
"CREATE TRIGGER insert_usernames" +
" BEFORE INSERT OR UPDATE ON username_test" +
" FOR EACH ROW" +
" EXECUTE PROCEDURE insert_username (username)");
stmt.execute("INSERT INTO username_test VALUES ('nothing', 'thomas')");
stmt.execute("INSERT INTO username_test VALUES ('null', null)");
stmt.execute("INSERT INTO username_test VALUES ('empty string', '')");
stmt.execute("INSERT INTO username_test VALUES ('space', ' ')");
stmt.execute("INSERT INTO username_test VALUES ('tab', ' ')");
stmt.execute("INSERT INTO username_test VALUES ('name', 'name')");
ResultSet rs = stmt.executeQuery("SELECT * FROM username_test");
while(rs.next())
{
String name = rs.getString(1);
String username = rs.getString(2);
System.out.println("Name = \"" + name + "\", username = \"" + username + "\"");
}
rs.close();
stmt.close();
}
public void testTimestamp()
throws SQLException
{
Statement stmt = m_connection.createStatement();
stmt.execute(
"CREATE FUNCTION java_getTimestamp()" +
" RETURNS timestamp" +
" AS 'org.postgresql.pljava.example.Parameters.getTimestamp'" +
" LANGUAGE java");
stmt.execute(
"CREATE FUNCTION java_getTimestamptz()" +
" RETURNS timestamptz" +
" AS 'org.postgresql.pljava.example.Parameters.getTimestamp'" +
" LANGUAGE java");
ResultSet rs = stmt.executeQuery(
"SELECT java_getTimestamp(), java_getTimestamptz()");
if(!rs.next())
System.out.println("Unable to position ResultSet");
else
System.out.println(
"Timestamp = " + rs.getTimestamp(1) +
", Timestamptz = " + rs.getTimestamp(2));
rs.close();
stmt.close();
}
public void testInt()
throws SQLException
{
Statement stmt = m_connection.createStatement();
/*
* Test parameter override from int primitive to java.lang.Integer
*/
stmt.execute(
"CREATE FUNCTION java_addOne(int)" +
" RETURNS int" +
" AS 'org.postgresql.pljava.example.Parameters.addOne(java.lang.Integer)'" +
" LANGUAGE java");
/*
* Test return value override (stipulated by the Java method rather than
* in the function declaration. Seems to be that way according to the
* SQL-2003 spec).
*/
stmt.execute(
"CREATE FUNCTION nullOnEven(int)" +
" RETURNS int" +
" AS 'org.postgresql.pljava.example.Parameters.nullOnEven'" +
" LANGUAGE java");
/*
* Test function call within function call and function that returns an object
* rather than a primitive to reflect null values.
*/
ResultSet rs = stmt.executeQuery("SELECT java_addOne(java_addOne(54)), nullOnEven(1), nullOnEven(2)");
if(!rs.next())
System.out.println("Unable to position ResultSet");
else
{
System.out.println("54 + 2 = " + rs.getInt(1));
int n = rs.getInt(2);
System.out.println("nullOnEven(1) = " + (rs.wasNull() ? "null" : Integer.toString(n)));
n = rs.getInt(3);
System.out.println("nullOnEven(2) = " + (rs.wasNull() ? "null" : Integer.toString(n)));
}
rs.close();
stmt.close();
}
public void initializeLanguage()
throws SQLException
{
Statement stmt = m_connection.createStatement();
try
{
stmt.execute("DROP FUNCTION java_call_handler() CASCADE");
}
catch(SQLException e)
{
System.out.println("No java_call_handler seems to be present");
}
stmt.execute(
"CREATE FUNCTION java_call_handler()" +
" RETURNS language_handler" +
" AS 'libpljava.so'" +
" LANGUAGE C");
stmt.execute(
"CREATE LANGUAGE java HANDLER java_call_handler");
}
}