|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* This file is part of the Ray.AuraSqlModule package. |
|
4
|
|
|
* |
|
5
|
|
|
* @license http://opensource.org/licenses/MIT MIT |
|
6
|
|
|
*/ |
|
7
|
|
|
namespace Ray\AuraSqlModule\Pagerfanta; |
|
8
|
|
|
|
|
9
|
|
|
use Aura\Sql\ExtendedPdo; |
|
10
|
|
|
use Aura\Sql\ExtendedPdoInterface; |
|
11
|
|
|
use Pagerfanta\Adapter\AdapterInterface; |
|
12
|
|
|
|
|
13
|
|
|
class ExtendedPdoAdapter implements AdapterInterface |
|
14
|
|
|
{ |
|
15
|
|
|
/** |
|
16
|
|
|
* @var ExtendedPdoInterface |
|
17
|
|
|
*/ |
|
18
|
|
|
private $pdo; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* @var string |
|
22
|
|
|
*/ |
|
23
|
|
|
private $sql; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @var array |
|
27
|
|
|
*/ |
|
28
|
|
|
private $params; |
|
29
|
|
|
|
|
30
|
14 |
|
public function __construct(ExtendedPdoInterface $pdo, string $sql, array $params) |
|
31
|
|
|
{ |
|
32
|
14 |
|
$this->pdo = $pdo; |
|
33
|
14 |
|
$this->sql = $sql; |
|
34
|
14 |
|
$this->params = $params; |
|
35
|
14 |
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* {@inheritdoc} |
|
39
|
|
|
*/ |
|
40
|
9 |
|
public function getNbResults() |
|
41
|
|
|
{ |
|
42
|
|
|
// be smart and try to guess the total number of records |
|
43
|
9 |
|
$countQuery = $this->rewriteCountQuery($this->sql); |
|
44
|
9 |
|
if (! $countQuery) { |
|
45
|
|
|
// GROUP BY => fetch the whole result set and count the rows returned |
|
46
|
1 |
|
$result = $this->pdo->query($this->sql)->fetchAll(); |
|
47
|
1 |
|
$count = \count($result); |
|
48
|
|
|
|
|
49
|
1 |
|
return $count; |
|
50
|
|
|
} |
|
51
|
8 |
|
if ($this->params) { |
|
|
|
|
|
|
52
|
|
|
/** @var ExtendedPdo $pdo */ |
|
53
|
2 |
|
$pdo = $this->pdo; |
|
54
|
2 |
|
$sth = $pdo->prepareWithValues($this->sql, $this->params); |
|
55
|
2 |
|
$sth->execute(); |
|
56
|
2 |
|
$count = $sth->fetchAll(); |
|
57
|
|
|
|
|
58
|
2 |
|
return \count($count); |
|
59
|
|
|
} |
|
60
|
6 |
|
$count = $this->pdo->query($countQuery)->fetchColumn(); |
|
61
|
|
|
|
|
62
|
6 |
|
return (int) $count; |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* {@inheritdoc} |
|
67
|
|
|
*/ |
|
68
|
6 |
|
public function getSlice($offset, $length) |
|
69
|
|
|
{ |
|
70
|
6 |
|
$sql = $this->sql . $this->getLimitClause($offset, $length); |
|
71
|
6 |
|
$result = $this->pdo->perform($sql, $this->params)->fetchAll(\PDO::FETCH_ASSOC); |
|
72
|
|
|
|
|
73
|
6 |
|
return $result; |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
|
|
/** |
|
77
|
|
|
* {@inheritdoc} |
|
78
|
|
|
*/ |
|
79
|
9 |
|
public function getLimitClause($offset, $length) |
|
80
|
|
|
{ |
|
81
|
9 |
|
$hasLimit = $offset || $length; |
|
82
|
9 |
|
if ($offset && $length) { |
|
83
|
5 |
|
$clause = PHP_EOL . "LIMIT {$length}"; |
|
84
|
5 |
|
if ($offset) { |
|
85
|
5 |
|
$clause .= " OFFSET {$offset}"; |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
5 |
|
return $clause; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
4 |
|
if ($hasLimit && $length) { |
|
92
|
3 |
|
return PHP_EOL . "LIMIT {$length}"; |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
1 |
|
return ''; |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
/** |
|
99
|
|
|
* Return count query |
|
100
|
|
|
* |
|
101
|
|
|
* @param string $query |
|
102
|
|
|
* |
|
103
|
|
|
* @return string |
|
104
|
|
|
* |
|
105
|
|
|
* @see https://github.com/pear/Pager/blob/master/examples/Pager_Wrapper.php |
|
106
|
|
|
* Taken from pear/pager and modified. |
|
107
|
|
|
* tested at https://github.com/pear/Pager/blob/80c0e31c8b94f913cfbdeccbe83b63822f42a2f8/tests/pager_wrapper_test.php#L19 |
|
108
|
|
|
* @codeCoverageIgnore |
|
109
|
|
|
*/ |
|
110
|
|
|
public function rewriteCountQuery($query) |
|
111
|
|
|
{ |
|
112
|
|
|
if (\preg_match('/^\s*SELECT\s+\bDISTINCT\b/is', $query) || \preg_match('/\s+GROUP\s+BY\s+/is', $query)) { |
|
113
|
|
|
return ''; |
|
114
|
|
|
} |
|
115
|
|
|
$openParenthesis = '(?:\()'; |
|
116
|
|
|
$closeParenthesis = '(?:\))'; |
|
117
|
|
|
$subQueryInSelect = $openParenthesis . '.*\bFROM\b.*' . $closeParenthesis; |
|
118
|
|
|
$pattern = '/(?:.*' . $subQueryInSelect . '.*)\bFROM\b\s+/Uims'; |
|
119
|
|
|
if (\preg_match($pattern, $query)) { |
|
120
|
|
|
return ''; |
|
121
|
|
|
} |
|
122
|
|
|
$subQueryWithLimitOrder = $openParenthesis . '.*\b(LIMIT|ORDER)\b.*' . $closeParenthesis; |
|
123
|
|
|
$pattern = '/.*\bFROM\b.*(?:.*' . $subQueryWithLimitOrder . '.*).*/Uims'; |
|
124
|
|
|
if (\preg_match($pattern, $query)) { |
|
125
|
|
|
return ''; |
|
126
|
|
|
} |
|
127
|
|
|
$queryCount = \preg_replace('/(?:.*)\bFROM\b\s+/Uims', 'SELECT COUNT(*) FROM ', $query, 1); |
|
128
|
|
|
list($queryCount) = \preg_split('/\s+ORDER\s+BY\s+/is', $queryCount); |
|
129
|
|
|
list($queryCount) = \preg_split('/\bLIMIT\b/is', $queryCount); |
|
130
|
|
|
|
|
131
|
|
|
return \trim($queryCount); |
|
132
|
|
|
} |
|
133
|
|
|
} |
|
134
|
|
|
|
koriym /
Ray.AuraSqlModule
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.