Completed
Push — 2.10.x ( 61a6b9...f20ba1 )
by Grégoire
13:37 queued 11s
created

ExpressionBuilder::lt()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
dl 0
loc 3
ccs 2
cts 2
cp 1
rs 10
c 0
b 0
f 0
cc 1
eloc 1
nc 1
nop 2
crap 1
1
<?php
2
3
namespace Doctrine\DBAL\Query\Expression;
4
5
use Doctrine\DBAL\Connection;
6
use function func_get_arg;
7
use function func_get_args;
8
use function func_num_args;
9
use function implode;
10
use function sprintf;
11
12
/**
13
 * ExpressionBuilder class is responsible to dynamically create SQL query parts.
14
 */
15
class ExpressionBuilder
16
{
17
    public const EQ  = '=';
18
    public const NEQ = '<>';
19
    public const LT  = '<';
20
    public const LTE = '<=';
21
    public const GT  = '>';
22
    public const GTE = '>=';
23
24
    /**
25
     * The DBAL Connection.
26
     *
27
     * @var Connection
28
     */
29
    private $connection;
30
31
    /**
32
     * Initializes a new <tt>ExpressionBuilder</tt>.
33
     *
34
     * @param Connection $connection The DBAL Connection.
35
     */
36 4898
    public function __construct(Connection $connection)
37
    {
38 4898
        $this->connection = $connection;
39 4898
    }
40
41
    /**
42
     * Creates a conjunction of the given boolean expressions.
43
     *
44
     * Example:
45
     *
46
     *     [php]
47
     *     // (u.type = ?) AND (u.role = ?)
48
     *     $expr->andX('u.type = ?', 'u.role = ?'));
49
     *
50
     * @param mixed $x Optional clause. Defaults = null, but requires
51
     *                 at least one defined when converting to string.
52
     *
53
     * @return CompositeExpression
54
     */
55 2284
    public function andX($x = null)
56
    {
57 2284
        return new CompositeExpression(CompositeExpression::TYPE_AND, func_get_args());
58
    }
59
60
    /**
61
     * Creates a disjunction of the given boolean expressions.
62
     *
63
     * Example:
64
     *
65
     *     [php]
66
     *     // (u.type = ?) OR (u.role = ?)
67
     *     $qb->where($qb->expr()->orX('u.type = ?', 'u.role = ?'));
68
     *
69
     * @param mixed $x Optional clause. Defaults = null, but requires
70
     *                 at least one defined when converting to string.
71
     *
72
     * @return CompositeExpression
73
     */
74 2168
    public function orX($x = null)
75
    {
76 2168
        return new CompositeExpression(CompositeExpression::TYPE_OR, func_get_args());
77
    }
78
79
    /**
80
     * Creates a comparison expression.
81
     *
82
     * @param mixed  $x        The left expression.
83
     * @param string $operator One of the ExpressionBuilder::* constants.
84
     * @param mixed  $y        The right expression.
85
     *
86
     * @return string
87
     */
88 2075
    public function comparison($x, $operator, $y)
89
    {
90 2075
        return $x . ' ' . $operator . ' ' . $y;
91
    }
92
93
    /**
94
     * Creates an equality comparison expression with the given arguments.
95
     *
96
     * First argument is considered the left expression and the second is the right expression.
97
     * When converted to string, it will generated a <left expr> = <right expr>. Example:
98
     *
99
     *     [php]
100
     *     // u.id = ?
101
     *     $expr->eq('u.id', '?');
102
     *
103
     * @param mixed $x The left expression.
104
     * @param mixed $y The right expression.
105
     *
106
     * @return string
107
     */
108 2033
    public function eq($x, $y)
109
    {
110 2033
        return $this->comparison($x, self::EQ, $y);
111
    }
112
113
    /**
114
     * Creates a non equality comparison expression with the given arguments.
115
     * First argument is considered the left expression and the second is the right expression.
116
     * When converted to string, it will generated a <left expr> <> <right expr>. Example:
117
     *
118
     *     [php]
119
     *     // u.id <> 1
120
     *     $q->where($q->expr()->neq('u.id', '1'));
121
     *
122
     * @param mixed $x The left expression.
123
     * @param mixed $y The right expression.
124
     *
125
     * @return string
126
     */
127 1
    public function neq($x, $y)
128
    {
129 1
        return $this->comparison($x, self::NEQ, $y);
130
    }
131
132
    /**
133
     * Creates a lower-than comparison expression with the given arguments.
134
     * First argument is considered the left expression and the second is the right expression.
135
     * When converted to string, it will generated a <left expr> < <right expr>. Example:
136
     *
137
     *     [php]
138
     *     // u.id < ?
139
     *     $q->where($q->expr()->lt('u.id', '?'));
140
     *
141
     * @param mixed $x The left expression.
142
     * @param mixed $y The right expression.
143
     *
144
     * @return string
145
     */
146 1
    public function lt($x, $y)
147
    {
148 1
        return $this->comparison($x, self::LT, $y);
149
    }
150
151
    /**
152
     * Creates a lower-than-equal comparison expression with the given arguments.
153
     * First argument is considered the left expression and the second is the right expression.
154
     * When converted to string, it will generated a <left expr> <= <right expr>. Example:
155
     *
156
     *     [php]
157
     *     // u.id <= ?
158
     *     $q->where($q->expr()->lte('u.id', '?'));
159
     *
160
     * @param mixed $x The left expression.
161
     * @param mixed $y The right expression.
162
     *
163
     * @return string
164
     */
165 1
    public function lte($x, $y)
166
    {
167 1
        return $this->comparison($x, self::LTE, $y);
168
    }
169
170
    /**
171
     * Creates a greater-than comparison expression with the given arguments.
172
     * First argument is considered the left expression and the second is the right expression.
173
     * When converted to string, it will generated a <left expr> > <right expr>. Example:
174
     *
175
     *     [php]
176
     *     // u.id > ?
177
     *     $q->where($q->expr()->gt('u.id', '?'));
178
     *
179
     * @param mixed $x The left expression.
180
     * @param mixed $y The right expression.
181
     *
182
     * @return string
183
     */
184 1
    public function gt($x, $y)
185
    {
186 1
        return $this->comparison($x, self::GT, $y);
187
    }
188
189
    /**
190
     * Creates a greater-than-equal comparison expression with the given arguments.
191
     * First argument is considered the left expression and the second is the right expression.
192
     * When converted to string, it will generated a <left expr> >= <right expr>. Example:
193
     *
194
     *     [php]
195
     *     // u.id >= ?
196
     *     $q->where($q->expr()->gte('u.id', '?'));
197
     *
198
     * @param mixed $x The left expression.
199
     * @param mixed $y The right expression.
200
     *
201
     * @return string
202
     */
203 1
    public function gte($x, $y)
204
    {
205 1
        return $this->comparison($x, self::GTE, $y);
206
    }
207
208
    /**
209
     * Creates an IS NULL expression with the given arguments.
210
     *
211
     * @param string $x The field in string format to be restricted by IS NULL.
212
     *
213
     * @return string
214
     */
215 2002
    public function isNull($x)
216
    {
217 2002
        return $x . ' IS NULL';
218
    }
219
220
    /**
221
     * Creates an IS NOT NULL expression with the given arguments.
222
     *
223
     * @param string $x The field in string format to be restricted by IS NOT NULL.
224
     *
225
     * @return string
226
     */
227 1
    public function isNotNull($x)
228
    {
229 1
        return $x . ' IS NOT NULL';
230
    }
231
232
    /**
233
     * Creates a LIKE() comparison expression with the given arguments.
234
     *
235
     * @param string $x Field in string format to be inspected by LIKE() comparison.
236
     * @param mixed  $y Argument to be used in LIKE() comparison.
237
     *
238
     * @return string
239
     */
240 1957
    public function like($x, $y/*, ?string $escapeChar = null */)
241
    {
242 1957
        return $this->comparison($x, 'LIKE', $y) .
243 1957
            (func_num_args() >= 3 ? sprintf(' ESCAPE %s', func_get_arg(2)) : '');
244
    }
245
246
    /**
247
     * Creates a NOT LIKE() comparison expression with the given arguments.
248
     *
249
     * @param string $x Field in string format to be inspected by NOT LIKE() comparison.
250
     * @param mixed  $y Argument to be used in NOT LIKE() comparison.
251
     *
252
     * @return string
253
     */
254 1911
    public function notLike($x, $y/*, ?string $escapeChar = null */)
255
    {
256 1911
        return $this->comparison($x, 'NOT LIKE', $y) .
257 1911
            (func_num_args() >= 3 ? sprintf(' ESCAPE %s', func_get_arg(2)) : '');
258
    }
259
260
    /**
261
     * Creates a IN () comparison expression with the given arguments.
262
     *
263
     * @param string          $x The field in string format to be inspected by IN() comparison.
264
     * @param string|string[] $y The placeholder or the array of values to be used by IN() comparison.
265
     *
266
     * @return string
267
     */
268 1980
    public function in($x, $y)
269
    {
270 1980
        return $this->comparison($x, 'IN', '(' . implode(', ', (array) $y) . ')');
271
    }
272
273
    /**
274
     * Creates a NOT IN () comparison expression with the given arguments.
275
     *
276
     * @param string          $x The field in string format to be inspected by NOT IN() comparison.
277
     * @param string|string[] $y The placeholder or the array of values to be used by NOT IN() comparison.
278
     *
279
     * @return string
280
     */
281 2
    public function notIn($x, $y)
282
    {
283 2
        return $this->comparison($x, 'NOT IN', '(' . implode(', ', (array) $y) . ')');
284
    }
285
286
    /**
287
     * Quotes a given input parameter.
288
     *
289
     * @param mixed    $input The parameter to be quoted.
290
     * @param int|null $type  The type of the parameter.
291
     *
292
     * @return string
293
     */
294
    public function literal($input, $type = null)
295
    {
296
        return $this->connection->quote($input, $type);
297
    }
298
}
299