ComparisonTrait::isFalse() - Code Metrics - hfw/db - Measure and Improve Code Quality continuously with Scrutinizer

ComparisonTrait::isFalse() A
last analyzed 2021-07-26 13:53 UTC

↳ Parent: ComparisonTrait

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	1
c	0
b	0
f	0
nc	1
nop	0
dl	0
loc	3
rs	10

<?php

namespace Helix\DB\Fluent\Value;

use Closure;
use Helix\DB\EntityInterface;
use Helix\DB\Fluent\AbstractTrait;
use Helix\DB\Fluent\Branch;
use Helix\DB\Fluent\Predicate;
use Helix\DB\Fluent\ValueInterface;
use Helix\DB\Select;

/**
 * Comparative functions.
 *
 * Because SQLite doesn't have the `ANY`/`ALL` comparison operators,
 * subqueries are instead nested and correlated using `EXISTS` or `NOT EXISTS`,
 * which requires the first column of the subquery to have a name or alias so it's referable.
 */
trait ComparisonTrait
{

    use AbstractTrait;

    /**
     * Relational comparison helper.
     *
     * @param number|string|Select $arg
     * @param string $oper Relational operator
     * @param string $multi `ALL|ANY`
     * @return Predicate
     * @internal
     */
    protected function _isRelational($arg, string $oper, string $multi)
    {
        static $inverse = [
            '<' => '>=',
            '<=' => '>',
            '>=' => '<',
            '>' => '<='
        ];
        if ($arg instanceof Select) {
            if ($this->db->isSQLite()) {
                $sub = Select::factory($this->db, $arg, [$arg[0]]);
                if ($multi === 'ANY') {
                    return $sub->where("{$this} {$oper} {$arg[0]}")->isNotEmpty();
                }
                return $sub->where("{$this} {$inverse[$oper]} {$arg[0]}")->isEmpty();
            }
            return Predicate::factory($this->db, "{$this} {$oper} {$multi} ({$arg->toSql()})");
        }
        return Predicate::factory($this->db, "{$this} {$oper} {$this->db->quote($arg)}");
    }

    /**
     * Null-safe type-strict equality.
     *
     * - Mysql: `$this <=> $arg`, or `$this <=> ANY ($arg)`
     * - SQLite: `$this IS $arg`, or `EXISTS (... WHERE $this IS $arg[0])`
     *
     * @param null|scalar|EntityInterface|Select|ValueInterface $arg
     * @return Predicate
     */
    public function is($arg): Predicate
    {
        if ($arg instanceof Select) {
            if ($this->db->isSQLite()) {
                return Select::factory($this->db, $arg, [$arg[0]])
                    ->where("{$this} IS {$arg[0]}")
                    ->isNotEmpty();
            }
            return Predicate::factory($this->db, "{$this} <=> ANY ({$arg->toSql()})");
        }
        if ($arg === null or is_bool($arg)) {
            $arg = ['' => 'NULL', 1 => 'TRUE', 0 => 'FALSE'][$arg];
        } else {
            $arg = $this->db->quote($arg);
        }
        if ($this->db->isMySQL()) {
            return Predicate::factory($this->db, "{$this} <=> {$arg}");
        }
        return Predicate::factory($this->db, "{$this} IS {$arg}");
    }

    /**
     * `$this BETWEEN $min AND $max` (inclusive)
     *
     * @param number $min
     * @param number $max
     * @return Predicate
     */
    public function isBetween($min, $max)
    {
        $min = $this->db->quote($min);
        $max = $this->db->quote($max);
        return Predicate::factory($this->db, "{$this} BETWEEN {$min} AND {$max}");
    }

    /**
     * See {@link Predicate::match()}
     *
     * @param null|scalar|array|Closure|EntityInterface|Select|ValueInterface $arg
     * @return Predicate
     */
    public function isEqual($arg)
    {
        return Predicate::match($this->db, $this, $arg);
    }

    /**
     * `$this IS FALSE`
     *
     * @return Predicate
     */
    public function isFalse()
    {
        return Predicate::factory($this->db, "{$this} IS FALSE");
    }

    /**
     * `$this > $arg`, or driver-appropriate `$this > ALL (SELECT ...)`
     *
     * @param number|string|Select $arg
     * @return Predicate
     */
    public function isGt($arg)
    {
        return $this->_isRelational($arg, '>', 'ALL');
    }

    /**
     * Driver-appropriate `$this > ANY (SELECT ...)`
     *
     * @param Select $select
     * @return Predicate
     */
    public function isGtAny(Select $select)
    {
        return $this->_isRelational($select, '>', 'ANY');
    }

    /**
     * `$this >= $arg`, or driver-appropriate `$this >= ALL (SELECT ...)`
     *
     * @param number|string|Select $arg
     * @return Predicate
     */
    public function isGte($arg)
    {
        return $this->_isRelational($arg, '>=', 'ALL');
    }

    /**
     * Driver-appropriate `$this >= ANY (SELECT ...)`
     *
     * @param Select $select
     * @return Predicate
     */
    public function isGteAny(Select $select)
    {
        return $this->_isRelational($select, '>=', 'ANY');
    }

    /**
     * `$this LIKE $pattern`
     *
     * @param string $pattern
     * @return Predicate
     */
    public function isLike(string $pattern)
    {
        $pattern = $this->db->quote($pattern);
        return Predicate::factory($this->db, "{$this} LIKE {$pattern}");
    }

    /**
     * `$this < $arg`, or driver-appropriate `$this < ALL (SELECT ...)`
     *
     * @param number|string|Select $arg
     * @return Predicate
     */
    public function isLt($arg)
    {
        return $this->_isRelational($arg, '<', 'ALL');
    }

    /**
     * Driver-appropriate `$this < ANY (SELECT ...)`
     *
     * @param Select $select
     * @return Predicate
     */
    public function isLtAny(Select $select)
    {
        return $this->_isRelational($select, '<', 'ANY');
    }

    /**
     * `$this <= $arg`, or driver-appropriate `$this <= ALL (SELECT ...)`
     *
     * @param number|string|Select $arg
     * @return Predicate
     */
    public function isLte($arg)
    {
        return $this->_isRelational($arg, '<=', 'ALL');
    }

    /**
     * Driver-appropriate `$this <= ANY (SELECT ...)`
     *
     * @param Select $select
     * @return Predicate
     */
    public function isLteAny(Select $select)
    {
        return $this->_isRelational($select, '<=', 'ANY');
    }

    /**
     * Null-safe type-strict inequality.
     *
     * @param null|scalar|EntityInterface|Select|ValueInterface $arg
     * @return Predicate
     */
    public function isNot($arg)
    {
        return $this->is($arg)->lNot();
    }

    /**
     * `$this NOT BETWEEN $min AND $max` (inclusive)
     *
     * @param number $min
     * @param number $max
     * @return Predicate
     */
    public function isNotBetween($min, $max)
    {
        $min = $this->db->quote($min);
        $max = $this->db->quote($max);
        return Predicate::factory($this->db, "{$this} NOT BETWEEN {$min} AND {$max}");
    }

    /**
     * `$this <> $arg` or `$this NOT IN ($arg)`
     *
     * @param null|scalar|array|EntityInterface|Select|ValueInterface $arg
     * @return Predicate
     */
    public function isNotEqual($arg)
    {
        if ($arg instanceof Select) {
            return Predicate::factory($this->db, "{$this} NOT IN ({$arg->toSql()})");
        }
        if (is_array($arg)) {
            return Predicate::factory($this->db, "{$this} NOT IN ({$this->db->quoteList($arg)})");
        }
        return Predicate::factory($this->db, "{$this} <> {$this->db->quote($arg)}");
    }

    /**
     * `$this NOT LIKE $pattern`
     *
     * @param string $pattern
     * @return Predicate
     */
    public function isNotLike(string $pattern)
    {
        $pattern = $this->db->quote($pattern);
        return Predicate::factory($this->db, "{$this} NOT LIKE {$pattern}");
    }

    /**
     * `$this IS NOT NULL`
     *
     * @return Predicate
     */
    public function isNotNull()
    {
        return Predicate::factory($this->db, "{$this} IS NOT NULL");
    }

    /**
     * `$this NOT REGEXP $pattern`
     *
     * @param string $pattern
     * @return Predicate
     */
    public function isNotRegExp(string $pattern)
    {
        $pattern = $this->db->quote($pattern);
        return Predicate::factory($this->db, "{$this} NOT REGEXP {$pattern}");
    }

    /**
     * `$this IS NULL`
     *
     * @return Predicate
     */
    public function isNull()
    {
        return Predicate::factory($this->db, "{$this} IS NULL");
    }

    /**
     * `$this REGEXP $pattern`
     *
     * @param string $pattern
     * @return Predicate
     */
    public function isRegExp(string $pattern)
    {
        $pattern = $this->db->quote($pattern);
        return Predicate::factory($this->db, "{$this} REGEXP {$pattern}");
    }

    /**
     * `CASE $this ... END`
     *
     * > :warning: If `$values` are given, the keys are quoted as literal values.
     * > Omit `$values` and use {@link Branch::when()} if you need expressions for the `WHEN` clause.
     *
     * @param array $values `[when => then]`
     * @return Branch
     */
    public function switch(array $values = [])
    {
        return Branch::factory($this->db, "{$this}", $values);
    }
}


1			<?php
2
3			namespace Helix\DB\Fluent\Value;
4
5			use Closure;
6			use Helix\DB\EntityInterface;
7			use Helix\DB\Fluent\AbstractTrait;
8			use Helix\DB\Fluent\Branch;
9			use Helix\DB\Fluent\Predicate;
10			use Helix\DB\Fluent\ValueInterface;
11			use Helix\DB\Select;
12
13			/**
14			* Comparative functions.
15			*
16			* Because SQLite doesn't have the `ANY`/`ALL` comparison operators,
17			* subqueries are instead nested and correlated using `EXISTS` or `NOT EXISTS`,
18			* which requires the first column of the subquery to have a name or alias so it's referable.
19			*/
20			trait ComparisonTrait
21			{
22
23			use AbstractTrait;
24
25			/**
26			* Relational comparison helper.
27			*
28			* @param number\|string\|Select $arg
29			* @param string $oper Relational operator
30			* @param string $multi `ALL\|ANY`
31			* @return Predicate
32			* @internal
33			*/
34			protected function _isRelational($arg, string $oper, string $multi)
35			{
36			static $inverse = [
37			'<' => '>=',
38			'<=' => '>',
39			'>=' => '<',
40			'>' => '<='
41			];
42			if ($arg instanceof Select) {
43			if ($this->db->isSQLite()) {
44			$sub = Select::factory($this->db, $arg, [$arg[0]]);
45			if ($multi === 'ANY') {
46			return $sub->where("{$this} {$oper} {$arg[0]}")->isNotEmpty();
47			}
48			return $sub->where("{$this} {$inverse[$oper]} {$arg[0]}")->isEmpty();
49			}
50			return Predicate::factory($this->db, "{$this} {$oper} {$multi} ({$arg->toSql()})");
51			}
52			return Predicate::factory($this->db, "{$this} {$oper} {$this->db->quote($arg)}");
53			}
54
55			/**
56			* Null-safe type-strict equality.
57			*
58			* - Mysql: `$this <=> $arg`, or `$this <=> ANY ($arg)`
59			* - SQLite: `$this IS $arg`, or `EXISTS (... WHERE $this IS $arg[0])`
60			*
61			* @param null\|scalar\|EntityInterface\|Select\|ValueInterface $arg
62			* @return Predicate
63			*/
64			public function is($arg): Predicate
65			{
66			if ($arg instanceof Select) {
67			if ($this->db->isSQLite()) {
68			return Select::factory($this->db, $arg, [$arg[0]])
69			->where("{$this} IS {$arg[0]}")
70			->isNotEmpty();
71			}
72			return Predicate::factory($this->db, "{$this} <=> ANY ({$arg->toSql()})");
73			}
74			if ($arg === null or is_bool($arg)) {
75			$arg = ['' => 'NULL', 1 => 'TRUE', 0 => 'FALSE'][$arg];
76			} else {
77			$arg = $this->db->quote($arg);
78			}
79			if ($this->db->isMySQL()) {
80			return Predicate::factory($this->db, "{$this} <=> {$arg}");
81			}
82			return Predicate::factory($this->db, "{$this} IS {$arg}");
83			}
84
85			/**
86			* `$this BETWEEN $min AND $max` (inclusive)
87			*
88			* @param number $min
89			* @param number $max
90			* @return Predicate
91			*/
92			public function isBetween($min, $max)
93			{
94			$min = $this->db->quote($min);
95			$max = $this->db->quote($max);
96			return Predicate::factory($this->db, "{$this} BETWEEN {$min} AND {$max}");
97			}
98
99			/**
100			* See {@link Predicate::match()}
101			*
102			* @param null\|scalar\|array\|Closure\|EntityInterface\|Select\|ValueInterface $arg
103			* @return Predicate
104			*/
105			public function isEqual($arg)
106			{
107			return Predicate::match($this->db, $this, $arg);
108			}
109
110			/**
111			* `$this IS FALSE`
112			*
113			* @return Predicate
114			*/
115			public function isFalse()
116			{
117			return Predicate::factory($this->db, "{$this} IS FALSE");
118			}
119
120			/**
121			* `$this > $arg`, or driver-appropriate `$this > ALL (SELECT ...)`
122			*
123			* @param number\|string\|Select $arg
124			* @return Predicate
125			*/
126			public function isGt($arg)
127			{
128			return $this->_isRelational($arg, '>', 'ALL');
129			}
130
131			/**
132			* Driver-appropriate `$this > ANY (SELECT ...)`
133			*
134			* @param Select $select
135			* @return Predicate
136			*/
137			public function isGtAny(Select $select)
138			{
139			return $this->_isRelational($select, '>', 'ANY');
140			}
141
142			/**
143			* `$this >= $arg`, or driver-appropriate `$this >= ALL (SELECT ...)`
144			*
145			* @param number\|string\|Select $arg
146			* @return Predicate
147			*/
148			public function isGte($arg)
149			{
150			return $this->_isRelational($arg, '>=', 'ALL');
151			}
152
153			/**
154			* Driver-appropriate `$this >= ANY (SELECT ...)`
155			*
156			* @param Select $select
157			* @return Predicate
158			*/
159			public function isGteAny(Select $select)
160			{
161			return $this->_isRelational($select, '>=', 'ANY');
162			}
163
164			/**
165			* `$this LIKE $pattern`
166			*
167			* @param string $pattern
168			* @return Predicate
169			*/
170			public function isLike(string $pattern)
171			{
172			$pattern = $this->db->quote($pattern);
173			return Predicate::factory($this->db, "{$this} LIKE {$pattern}");
174			}
175
176			/**
177			* `$this < $arg`, or driver-appropriate `$this < ALL (SELECT ...)`
178			*
179			* @param number\|string\|Select $arg
180			* @return Predicate
181			*/
182			public function isLt($arg)
183			{
184			return $this->_isRelational($arg, '<', 'ALL');
185			}
186
187			/**
188			* Driver-appropriate `$this < ANY (SELECT ...)`
189			*
190			* @param Select $select
191			* @return Predicate
192			*/
193			public function isLtAny(Select $select)
194			{
195			return $this->_isRelational($select, '<', 'ANY');
196			}
197
198			/**
199			* `$this <= $arg`, or driver-appropriate `$this <= ALL (SELECT ...)`
200			*
201			* @param number\|string\|Select $arg
202			* @return Predicate
203			*/
204			public function isLte($arg)
205			{
206			return $this->_isRelational($arg, '<=', 'ALL');
207			}
208
209			/**
210			* Driver-appropriate `$this <= ANY (SELECT ...)`
211			*
212			* @param Select $select
213			* @return Predicate
214			*/
215			public function isLteAny(Select $select)
216			{
217			return $this->_isRelational($select, '<=', 'ANY');
218			}
219
220			/**
221			* Null-safe type-strict inequality.
222			*
223			* @param null\|scalar\|EntityInterface\|Select\|ValueInterface $arg
224			* @return Predicate
225			*/
226			public function isNot($arg)
227			{
228			return $this->is($arg)->lNot();
229			}
230
231			/**
232			* `$this NOT BETWEEN $min AND $max` (inclusive)
233			*
234			* @param number $min
235			* @param number $max
236			* @return Predicate
237			*/
238			public function isNotBetween($min, $max)
239			{
240			$min = $this->db->quote($min);
241			$max = $this->db->quote($max);
242			return Predicate::factory($this->db, "{$this} NOT BETWEEN {$min} AND {$max}");
243			}
244
245			/**
246			* `$this <> $arg` or `$this NOT IN ($arg)`
247			*
248			* @param null\|scalar\|array\|EntityInterface\|Select\|ValueInterface $arg
249			* @return Predicate
250			*/
251			public function isNotEqual($arg)
252			{
253			if ($arg instanceof Select) {
254			return Predicate::factory($this->db, "{$this} NOT IN ({$arg->toSql()})");
255			}
256			if (is_array($arg)) {
257			return Predicate::factory($this->db, "{$this} NOT IN ({$this->db->quoteList($arg)})");
258			}
259			return Predicate::factory($this->db, "{$this} <> {$this->db->quote($arg)}");
260			}
261
262			/**
263			* `$this NOT LIKE $pattern`
264			*
265			* @param string $pattern
266			* @return Predicate
267			*/
268			public function isNotLike(string $pattern)
269			{
270			$pattern = $this->db->quote($pattern);
271			return Predicate::factory($this->db, "{$this} NOT LIKE {$pattern}");
272			}
273
274			/**
275			* `$this IS NOT NULL`
276			*
277			* @return Predicate
278			*/
279			public function isNotNull()
280			{
281			return Predicate::factory($this->db, "{$this} IS NOT NULL");
282			}
283
284			/**
285			* `$this NOT REGEXP $pattern`
286			*
287			* @param string $pattern
288			* @return Predicate
289			*/
290			public function isNotRegExp(string $pattern)
291			{
292			$pattern = $this->db->quote($pattern);
293			return Predicate::factory($this->db, "{$this} NOT REGEXP {$pattern}");
294			}
295
296			/**
297			* `$this IS NULL`
298			*
299			* @return Predicate
300			*/
301			public function isNull()
302			{
303			return Predicate::factory($this->db, "{$this} IS NULL");
304			}
305
306			/**
307			* `$this REGEXP $pattern`
308			*
309			* @param string $pattern
310			* @return Predicate
311			*/
312			public function isRegExp(string $pattern)
313			{
314			$pattern = $this->db->quote($pattern);
315			return Predicate::factory($this->db, "{$this} REGEXP {$pattern}");
316			}
317
318			/**
319			* `CASE $this ... END`
320			*
321			* > :warning: If `$values` are given, the keys are quoted as literal values.
322			* > Omit `$values` and use {@link Branch::when()} if you need expressions for the `WHEN` clause.
323			*
324			* @param array $values `[when => then]`
325			* @return Branch
326			*/
327			public function switch(array $values = [])
328			{
329			return Branch::factory($this->db, "{$this}", $values);
330			}
331			}
332

hfw / db

ComparisonTrait::isFalse() A last analyzed 2021-07-26 13:53 UTC

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ComparisonTrait::isFalse() A
last analyzed 2021-07-26 13:53 UTC