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
|
/* This file is part of the KDE project
Copyright (C) 2018 Jarosław Staniek <staniek@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "OrderByColumnTest.h"
#include <KDbExpression>
#include <KDbOrderByColumn>
#include <KDbQueryAsterisk>
#include <KDbQuerySchema>
#include <KDbNativeStatementBuilder>
#include <QTest>
QTEST_GUILESS_MAIN(OrderByColumnTest)
void OrderByColumnTest::initTestCase()
{
}
void OrderByColumnTest::testSelect1Query()
{
QVERIFY(utils.testCreateDbWithTables("OrderByColumnTest"));
KDbQuerySchema query;
KDbField *oneField = new KDbField;
oneField->setExpression(KDbConstExpression(KDbToken::CHARACTER_STRING_LITERAL, "foo"));
query.addField(oneField);
KDbOrderByColumnList* orderBy = query.orderByColumnList();
QVERIFY(orderBy);
QVERIFY(orderBy->isEmpty());
QCOMPARE(orderBy->count(), 0);
orderBy->appendField(oneField);
KDbConnection *conn = utils.connection();
// automatic alias "expr1"
KDbEscapedString sql;
QVERIFY(utils.kdbBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, "SELECT 'foo' AS expr1 ORDER BY expr1");
QVERIFY(!orderBy->isEmpty());
QCOMPARE(orderBy->count(), 1);
const int indexOfField = query.indexOf(*oneField);
QCOMPARE(indexOfField, 0);
const QString alias(query.columnAlias(indexOfField));
QVERIFY(!alias.isEmpty());
KDbOrderByColumn *orderByColumn = orderBy->value(indexOfField);
QVERIFY(orderByColumn);
QVERIFY(!orderByColumn->column());
QCOMPARE(orderByColumn->field(), oneField);
QVERIFY(!orderBy->value(orderBy->count() + 10));
KDbEscapedString orderBySqlOldApi = orderBy->toSqlString(true, conn, KDb::KDbEscaping);
QCOMPARE(orderBySqlOldApi, ""); // alias is not used
KDbEscapedString orderBySql = orderBy->toSqlString(true, conn, &query, KDb::KDbEscaping);
QCOMPARE(orderBySql, alias); // alias is used to point to the column "'foo'"
// change alias to something other than valid ID
QVERIFY(query.setColumnAlias(indexOfField, "0"));
QVERIFY(utils.kdbBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, "SELECT 'foo' AS \"0\" ORDER BY \"0\"");
orderBySqlOldApi = orderBy->toSqlString(true, conn, KDb::KDbEscaping);
QCOMPARE(orderBySqlOldApi, ""); // alias is not used
orderBySql = orderBy->toSqlString(true, conn, &query, KDb::KDbEscaping);
QCOMPARE(orderBySql, "\"0\""); // alias is used to point to the column "'foo'"
}
void OrderByColumnTest::testOrderByIndex()
{
QVERIFY(utils.testCreateDbWithTables("OrderByColumnTest"));
KDbQuerySchema query;
KDbTableSchema *carsTable = utils.connection()->tableSchema("cars");
QVERIFY(carsTable);
query.addTable(carsTable);
query.addAsterisk(new KDbQueryAsterisk(&query));
KDbOrderByColumnList* orderBy = query.orderByColumnList();
KDbConnection *conn = utils.connection();
// "SELECT * FROM cars ORDER BY model ASC, owner DESC"
QVERIFY(query.orderByColumnList()->isEmpty());
QVERIFY(orderBy->appendColumn(conn, &query,
KDbOrderByColumn::SortOrder::Ascending, 2));
QVERIFY(orderBy->appendColumn(conn, &query,
KDbOrderByColumn::SortOrder::Descending, 1));
KDbEscapedString sql;
QVERIFY(utils.kdbBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, "SELECT cars.* FROM cars ORDER BY 3, 2 DESC");
QVERIFY2(!orderBy->appendColumn(conn, &query,
KDbOrderByColumn::SortOrder::Ascending, 3),
"appendField for null");
}
void OrderByColumnTest::testOrderByColumnName()
{
QVERIFY(utils.testCreateDbWithTables("OrderByColumnTest"));
KDbQuerySchema query;
KDbTableSchema *carsTable = utils.connection()->tableSchema("cars");
QVERIFY(carsTable);
query.addTable(carsTable);
query.addAsterisk(new KDbQueryAsterisk(&query));
// "SELECT * FROM cars ORDER BY model, owner"
QVERIFY(query.orderByColumnList());
QVERIFY(query.orderByColumnList()->isEmpty());
QCOMPARE(query.orderByColumnList()->count(), 0);
KDbOrderByColumnList* orderBy = query.orderByColumnList();
QVERIFY(orderBy);
QVERIFY(orderBy->isEmpty());
KDbField *modelField = carsTable->field("model");
QVERIFY(modelField);
KDbField *ownerField = carsTable->field("owner");
QVERIFY(ownerField);
orderBy->appendField(modelField);
orderBy->appendField(ownerField);
KDbConnection *conn = utils.connection();
KDbEscapedString orderBySql = orderBy->toSqlString(true, conn, &query, KDb::KDbEscaping);
QCOMPARE(orderBySql, "cars.model, cars.owner");
KDbEscapedString sql;
QVERIFY(utils.kdbBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, "SELECT cars.* FROM cars ORDER BY model, owner");
QVERIFY(utils.driverBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, "SELECT [cars].* FROM [cars] ORDER BY [model] COLLATE '', [owner]");
// "SELECT * FROM cars ORDER BY model ASC, owner DESC"
orderBy->clear();
QVERIFY(query.orderByColumnList()->isEmpty());
orderBy->appendField(modelField, KDbOrderByColumn::SortOrder::Ascending);
orderBy->appendField(ownerField, KDbOrderByColumn::SortOrder::Descending);
QVERIFY(utils.kdbBuilder()->generateSelectStatement(&sql, &query));
const char validSelect1[] = "SELECT cars.* FROM cars ORDER BY model, owner DESC";
QCOMPARE(sql, validSelect1);
QVERIFY(utils.driverBuilder()->generateSelectStatement(&sql, &query));
const char validDriverSelect1[] = "SELECT [cars].* FROM [cars] ORDER BY [model] COLLATE '', [owner] DESC";
QCOMPARE(sql, validDriverSelect1);
// The same query, adding null field
orderBy->clear();
QVERIFY(query.orderByColumnList()->isEmpty());
orderBy->appendField(nullptr);
QVERIFY2(query.orderByColumnList()->isEmpty(), "Adding null fields should not affect OREDR BY");
orderBy->appendField(modelField, KDbOrderByColumn::SortOrder::Ascending);
orderBy->appendField(ownerField, KDbOrderByColumn::SortOrder::Descending);
orderBy->appendField(nullptr);
QVERIFY(utils.kdbBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, validSelect1);
QVERIFY(utils.driverBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, validDriverSelect1);
// The same query, overload
orderBy->clear();
QVERIFY(query.orderByColumnList()->isEmpty());
QVERIFY(orderBy->appendFields(conn, &query,
"model", KDbOrderByColumn::SortOrder::Ascending,
"owner", KDbOrderByColumn::SortOrder::Descending));
QVERIFY(utils.kdbBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, validSelect1);
QVERIFY(utils.driverBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, validDriverSelect1);
// The same query, overload
orderBy->clear();
QVERIFY(query.orderByColumnList()->isEmpty());
QVERIFY(orderBy->appendField(conn, &query, "model", KDbOrderByColumn::SortOrder::Ascending));
QVERIFY(orderBy->appendField(conn, &query, "owner", KDbOrderByColumn::SortOrder::Descending));
QVERIFY(utils.kdbBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, validSelect1);
QVERIFY(utils.driverBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, validDriverSelect1);
QCOMPARE(orderBy->count(), 2);
QTest::ignoreMessage(QtWarningMsg, "no such field \"\"");
QVERIFY2(!orderBy->appendField(conn, &query, ""), "appendField for null");
QCOMPARE(orderBy->count(), 2);
// The same query, overload
orderBy->clear();
QCOMPARE(orderBy->count(), 0);
QVERIFY(query.orderByColumnList()->isEmpty());
KDbQueryColumnInfo::Vector columns = query.fieldsExpanded(conn);
KDbQueryColumnInfo *ownerColumnInfo = columns.value(1);
QVERIFY(ownerColumnInfo);
KDbQueryColumnInfo *modelColumnInfo = columns.value(2);
QVERIFY(modelColumnInfo);
orderBy->appendColumn(modelColumnInfo, KDbOrderByColumn::SortOrder::Ascending);
orderBy->appendColumn(ownerColumnInfo, KDbOrderByColumn::SortOrder::Descending);
QCOMPARE(orderBy->count(), 2);
QVERIFY(utils.kdbBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, validSelect1);
QVERIFY(utils.driverBuilder()->generateSelectStatement(&sql, &query));
QCOMPARE(sql, validDriverSelect1);
}
//! @todo Test KDbQuerySchema::setOrderByColumnList
//! @todo Test more KDbOrderByColumnList and KDbOrderByColumn
void OrderByColumnTest::cleanupTestCase()
{
}
|
