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
|
/*
Derby - Class org.apache.derbyTesting.functionTests.tests.lang.NullsTest
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package org.apache.derbyTesting.functionTests.tests.lang;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Statement;
import junit.framework.Test;
import org.apache.derbyTesting.junit.BaseJDBCTestCase;
import org.apache.derbyTesting.junit.JDBC;
import org.apache.derbyTesting.junit.TestConfiguration;
/**
* Test case for DERBY-6131: select from view with "upper" and "in" list
* throws a ClassCastException null value functionality.
*/
public class Derby6131 extends BaseJDBCTestCase {
public Derby6131(String name) {
super(name);
}
public static Test suite(){
return TestConfiguration.defaultSuite(Derby6131.class);
}
public void setUp() throws SQLException{
getConnection().setAutoCommit(false);
}
/**
* Test the original user report of this issue:
* <p>
* the issue can be reproduced
* 1. create table myTbl1 (name varchar(1000));
* 2. create table myTbl2 (name varchar(1000));
* 3. create view myView (name) as
* select t1.name from myTbl1 t1
* union all select t2.name from myTbl2 t2;
* 4. select name from myView where upper(name) in ('AA', 'BB');
* #4 failed with
* "org.apache.derby.impl.sql.compile.SimpleStringOperatorNode
* incompatible with org.apache.derby.impl.sql.compile.ColumnReference:
* java.lang.ClassCastException"
*
* If the view is created as
* "create myView (name) as select t1.name from myTbl1 t1",
* the query worked fine.
* <p>
**/
public void testOrigUserRepro()
throws SQLException
{
Statement st = createStatement();
// 1. create table myTbl1 (name varchar(1000));
st.executeUpdate("create table myTbl1 (name varchar(1000))");
// 2. create table myTbl2 (name varchar(1000));
st.executeUpdate("create table myTbl2 (name varchar(1000))");
// * 3. create view myView (name) as
// select t1.name from myTbl1 t1
// union all select t2.name from myTbl2 t2;
st.executeUpdate(
"create view myView (name) as " +
"select t1.name from myTbl1 t1 " +
"union all select t2.name from myTbl2 t2");
// 4. select name from myView where upper(name) in ('AA', 'BB');
// #4 failed with
// "org.apache.derby.impl.sql.compile.SimpleStringOperatorNode
// incompatible with
// org.apache.derby.impl.sql.compile.ColumnReference:
// java.lang.ClassCastException"
String sql =
"select name from myView where upper(name) in ('AA', 'BB')";
// no data so just checking if no exception happens.
JDBC.assertFullResultSet(st.executeQuery(sql),
new String[][]{ });
dropView("myView");
dropTable("myTbl1");
dropTable("myTbl2");
st.close();
}
/**
* Test the original DERBY-6131 queries with some data to make sure
* results look right in addtion to not getting an exception.
* <p>
**/
public void testOrigUserReproWithData()
throws SQLException
{
Statement st = createStatement();
// 1. create table myTbl1 (name varchar(1000));
st.executeUpdate("create table myTbl1 (name varchar(1000))");
// 2. create table myTbl2 (name varchar(1000));
st.executeUpdate("create table myTbl2 (name varchar(1000))");
st.executeUpdate(
"insert into myTbl1 values ('aA'), ('bB'), ('Cc'), ('Dd')");
st.executeUpdate(
"insert into myTbl2 values ('eE'), ('fF'), ('GG'), ('hh')");
// * 3. create view myView (name) as
// select t1.name from myTbl1 t1
// union all select t2.name from myTbl2 t2;
st.executeUpdate(
"create view myView (name) as " +
"select t1.name from myTbl1 t1 " +
"union all select t2.name from myTbl2 t2");
// 4. select name from myView where upper(name) in ('AA', 'BB');
// before fix #4 failed with
// "org.apache.derby.impl.sql.compile.SimpleStringOperatorNode
// incompatible with
// org.apache.derby.impl.sql.compile.ColumnReference:
// java.lang.ClassCastException"
String sql =
"select name from myView where upper(name) in ('AA', 'BB')";
// should match both values in IN-LIST
JDBC.assertFullResultSet(st.executeQuery(sql),
new String[][]{
{"aA"},
{"bB"}
});
// same test using prepared statement with params rather than constants.
String prepared_sql =
"select name from myView where upper(name) in (?, ?)";
PreparedStatement pstmt = prepareStatement(prepared_sql);
pstmt.setString(1, "AA");
pstmt.setString(2, "BB");
// should match both values in IN-LIST
JDBC.assertFullResultSet(pstmt.executeQuery(),
new String[][]{
{"aA"},
{"bB"}
});
// look for data across both parts of the union
sql = "select name from myView where upper(name) in ('CC', 'HH')";
// no data so just checking if no exception happens.
JDBC.assertFullResultSet(st.executeQuery(sql),
new String[][]{
{"Cc"},
{"hh"}
});
// same test using prepared statement with params rather than constants.
pstmt.setString(1, "CC");
pstmt.setString(2, "HH");
// no data so just checking if no exception happens.
JDBC.assertFullResultSet(st.executeQuery(sql),
new String[][]{
{"Cc"},
{"hh"}
});
// negative test, should not match anything
sql = "select name from myView where upper(name) in ('cc', 'hh')";
// no data so just checking if no exception happens.
JDBC.assertFullResultSet(st.executeQuery(sql),
new String[][]{
});
// same test using prepared statement with params rather than constants.
pstmt.setString(1, "cc");
pstmt.setString(2, "hh");
// no data so just checking if no exception happens.
JDBC.assertFullResultSet(st.executeQuery(sql),
new String[][]{
});
// test another function - user lower
sql = "select name from myView where lower(name) in ('cc', 'hh')";
// no data so just checking if no exception happens.
JDBC.assertFullResultSet(st.executeQuery(sql),
new String[][]{
{"Cc"},
{"hh"}
});
// same test using prepared statement with params rather than constants.
prepared_sql =
"select name from myView where upper(name) in (?, ?)";
pstmt = prepareStatement(prepared_sql);
pstmt.setString(1, "cc");
pstmt.setString(2, "hh");
// no data so just checking if no exception happens.
JDBC.assertFullResultSet(st.executeQuery(sql),
new String[][]{
{"Cc"},
{"hh"}
});
dropView("myView");
dropTable("myTbl1");
dropTable("myTbl2");
st.close();
pstmt.close();
}
}
|
