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
|
<?php
declare(strict_types=1);
namespace Doctrine\ORM\Persisters;
use Doctrine\Common\Collections\Expr\Comparison;
use Doctrine\Common\Collections\Expr\CompositeExpression;
use Doctrine\Common\Collections\Expr\ExpressionVisitor;
use Doctrine\Common\Collections\Expr\Value;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\Persisters\Entity\BasicEntityPersister;
use RuntimeException;
use function implode;
use function in_array;
use function is_object;
/**
* Visit Expressions and generate SQL WHERE conditions from them.
*/
class SqlExpressionVisitor extends ExpressionVisitor
{
/** @var BasicEntityPersister */
private $persister;
/** @var ClassMetadata */
private $classMetadata;
public function __construct(BasicEntityPersister $persister, ClassMetadata $classMetadata)
{
$this->persister = $persister;
$this->classMetadata = $classMetadata;
}
/**
* Converts a comparison expression into the target query language output.
*
* @return mixed
*/
public function walkComparison(Comparison $comparison)
{
$field = $comparison->getField();
$value = $comparison->getValue()->getValue(); // shortcut for walkValue()
if (
isset($this->classMetadata->associationMappings[$field]) &&
$value !== null &&
! is_object($value) &&
! in_array($comparison->getOperator(), [Comparison::IN, Comparison::NIN], true)
) {
throw MatchingAssociationFieldRequiresObject::fromClassAndAssociation(
$this->classMetadata->name,
$field
);
}
return $this->persister->getSelectConditionStatementSQL($field, $value, null, $comparison->getOperator());
}
/**
* Converts a composite expression into the target query language output.
*
* @return string
*
* @throws RuntimeException
*/
public function walkCompositeExpression(CompositeExpression $expr)
{
$expressionList = [];
foreach ($expr->getExpressionList() as $child) {
$expressionList[] = $this->dispatch($child);
}
switch ($expr->getType()) {
case CompositeExpression::TYPE_AND:
return '(' . implode(' AND ', $expressionList) . ')';
case CompositeExpression::TYPE_OR:
return '(' . implode(' OR ', $expressionList) . ')';
default:
throw new RuntimeException('Unknown composite ' . $expr->getType());
}
}
/**
* Converts a value expression into the target query language part.
*
* @return string
*/
public function walkValue(Value $value)
{
return '?';
}
}
|
