|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Spiral Framework. |
|
4
|
|
|
* |
|
5
|
|
|
* @license MIT |
|
6
|
|
|
* @author Anton Titov (Wolfy-J) |
|
7
|
|
|
*/ |
|
8
|
|
|
|
|
9
|
|
|
namespace Spiral\Database\Builders; |
|
10
|
|
|
|
|
11
|
|
|
use Spiral\Database\Entities\Driver; |
|
12
|
|
|
use Spiral\Database\Entities\QueryCompiler; |
|
13
|
|
|
use Spiral\Database\Exceptions\BuilderException; |
|
14
|
|
|
use Spiral\Database\Helpers\QueryInterpolator; |
|
15
|
|
|
use Spiral\Database\Injections\ExpressionInterface; |
|
16
|
|
|
use Spiral\Database\Injections\ParameterInterface; |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* QueryBuilder classes generate set of control tokens for query compilers, this is query level |
|
20
|
|
|
* abstraction. |
|
21
|
|
|
*/ |
|
22
|
|
|
abstract class QueryBuilder implements ExpressionInterface |
|
23
|
|
|
{ |
|
24
|
|
|
/** |
|
25
|
|
|
* @invisible |
|
26
|
|
|
* |
|
27
|
|
|
* @var Driver |
|
28
|
|
|
*/ |
|
29
|
|
|
protected $driver = null; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* @invisible |
|
33
|
|
|
* |
|
34
|
|
|
* @var QueryCompiler |
|
35
|
|
|
*/ |
|
36
|
|
|
protected $compiler = null; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* @param Driver $driver Associated driver. |
|
40
|
|
|
* @param QueryCompiler $compiler Driver specific QueryCompiler instance (one per builder). |
|
41
|
|
|
*/ |
|
42
|
|
|
public function __construct(Driver $driver, QueryCompiler $compiler) |
|
43
|
|
|
{ |
|
44
|
|
|
$this->driver = $driver; |
|
45
|
|
|
$this->compiler = $compiler; |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* {@inheritdoc} |
|
50
|
|
|
* |
|
51
|
|
|
* @param QueryCompiler $compiler Associated compiled to be used by default. |
|
52
|
|
|
*/ |
|
53
|
|
|
abstract public function sqlStatement(QueryCompiler $compiler = null): string; |
|
54
|
|
|
|
|
55
|
|
|
/** |
|
56
|
|
|
* Get ordered list of builder parameters in a form of ParameterInterface array. |
|
57
|
|
|
* |
|
58
|
|
|
* @param QueryCompiler $compiler Compiler is needed to validly sort parameters from different |
|
59
|
|
|
* query parts (potentially deprecated). Associated compiled to |
|
60
|
|
|
* be used by default. |
|
61
|
|
|
* |
|
62
|
|
|
* @return array|ParameterInterface[] |
|
63
|
|
|
* |
|
64
|
|
|
* @throws BuilderException |
|
65
|
|
|
*/ |
|
66
|
|
|
abstract public function getParameters(QueryCompiler $compiler = null): array; |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* Get interpolated (populated with parameters) SQL which will be run against database, please |
|
70
|
|
|
* use this method for debugging purposes only. |
|
71
|
|
|
* |
|
72
|
|
|
* @return string |
|
73
|
|
|
*/ |
|
74
|
|
|
public function queryString(): string |
|
75
|
|
|
{ |
|
76
|
|
|
return QueryInterpolator::interpolate($this->sqlStatement(), $this->getParameters()); |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
/** |
|
80
|
|
|
* @return string |
|
81
|
|
|
*/ |
|
82
|
|
|
public function __toString(): string |
|
83
|
|
|
{ |
|
84
|
|
|
return $this->sqlStatement(); |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
|
|
/** |
|
88
|
|
|
* @return array |
|
89
|
|
|
*/ |
|
90
|
|
|
public function __debugInfo() |
|
91
|
|
|
{ |
|
92
|
|
|
try { |
|
93
|
|
|
$queryString = $this->queryString(); |
|
94
|
|
|
} catch (\Exception $e) { |
|
95
|
|
|
$queryString = "[ERROR: {$e->getMessage()}]"; |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
$debugInfo = [ |
|
99
|
|
|
'statement' => $queryString, |
|
100
|
|
|
'compiler' => $this->compiler, |
|
101
|
|
|
'driver' => $this->driver, |
|
102
|
|
|
]; |
|
103
|
|
|
|
|
104
|
|
|
return $debugInfo; |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
/** |
|
108
|
|
|
* Helper methods used to correctly fetch and split identifiers provided by function |
|
109
|
|
|
* parameters. |
|
110
|
|
|
* It support array list, string or comma separated list. Attention, this method will not work |
|
111
|
|
|
* with complex parameters (such as functions) provided as one comma separated string, please |
|
112
|
|
|
* use arrays in this case. |
|
113
|
|
|
* |
|
114
|
|
|
* @param array $identifiers |
|
115
|
|
|
* |
|
116
|
|
|
* @return array |
|
117
|
|
|
*/ |
|
118
|
|
|
protected function fetchIdentifiers(array $identifiers): array |
|
119
|
|
|
{ |
|
120
|
|
|
if (count($identifiers) == 1 && is_string($identifiers[0])) { |
|
121
|
|
|
return array_map('trim', explode(',', $identifiers[0])); |
|
122
|
|
|
} |
|
123
|
|
|
|
|
124
|
|
|
if (count($identifiers) == 1 && is_array($identifiers[0])) { |
|
125
|
|
|
return $identifiers[0]; |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
|
|
return $identifiers; |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
|
|
/** |
|
132
|
|
|
* Expand all QueryBuilder parameters to create flatten list. |
|
133
|
|
|
* |
|
134
|
|
|
* @param array $parameters |
|
135
|
|
|
* |
|
136
|
|
|
* @return array |
|
137
|
|
|
*/ |
|
138
|
|
|
protected function flattenParameters(array $parameters): array |
|
139
|
|
|
{ |
|
140
|
|
|
$result = []; |
|
141
|
|
|
foreach ($parameters as $parameter) { |
|
142
|
|
|
if ($parameter instanceof self) { |
|
143
|
|
|
$result = array_merge($result, $parameter->getParameters()); |
|
144
|
|
|
continue; |
|
145
|
|
|
} |
|
146
|
|
|
|
|
147
|
|
|
$result[] = $parameter; |
|
148
|
|
|
} |
|
149
|
|
|
|
|
150
|
|
|
return $result; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
/** |
|
154
|
|
|
* Generate PDO statement based on generated sql and parameters. |
|
155
|
|
|
* |
|
156
|
|
|
* @return \PDOStatement |
|
157
|
|
|
*/ |
|
158
|
|
|
protected function pdoStatement(): \PDOStatement |
|
159
|
|
|
{ |
|
160
|
|
|
return $this->driver->statement($this->sqlStatement(), $this->getParameters()); |
|
161
|
|
|
} |
|
162
|
|
|
} |
|
163
|
|
|
|
spiral /
components
