|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Doctrine\DBAL\Schema\Visitor; |
|
4
|
|
|
|
|
5
|
|
|
use Doctrine\DBAL\Platforms\AbstractPlatform; |
|
6
|
|
|
use Doctrine\DBAL\Schema\ForeignKeyConstraint; |
|
7
|
|
|
use Doctrine\DBAL\Schema\SchemaException; |
|
8
|
|
|
use Doctrine\DBAL\Schema\Sequence; |
|
9
|
|
|
use Doctrine\DBAL\Schema\Table; |
|
10
|
|
|
use SplObjectStorage; |
|
11
|
|
|
use function strlen; |
|
12
|
|
|
|
|
13
|
|
|
/** |
|
14
|
|
|
* Gathers SQL statements that allow to completely drop the current schema. |
|
15
|
|
|
*/ |
|
16
|
|
|
class DropSchemaSqlCollector extends AbstractVisitor |
|
17
|
|
|
{ |
|
18
|
|
|
/** @var SplObjectStorage */ |
|
19
|
|
|
private $constraints; |
|
20
|
|
|
|
|
21
|
|
|
/** @var SplObjectStorage */ |
|
22
|
|
|
private $sequences; |
|
23
|
|
|
|
|
24
|
|
|
/** @var SplObjectStorage */ |
|
25
|
|
|
private $tables; |
|
26
|
|
|
|
|
27
|
|
|
/** @var AbstractPlatform */ |
|
28
|
|
|
private $platform; |
|
29
|
|
|
|
|
30
|
120 |
|
public function __construct(AbstractPlatform $platform) |
|
31
|
|
|
{ |
|
32
|
120 |
|
$this->platform = $platform; |
|
33
|
120 |
|
$this->clearQueries(); |
|
34
|
120 |
|
} |
|
35
|
|
|
|
|
36
|
|
|
/** |
|
37
|
|
|
* {@inheritdoc} |
|
38
|
|
|
*/ |
|
39
|
118 |
|
public function acceptTable(Table $table) |
|
40
|
|
|
{ |
|
41
|
118 |
|
$this->tables->attach($table); |
|
42
|
118 |
|
} |
|
43
|
|
|
|
|
44
|
|
|
/** |
|
45
|
|
|
* {@inheritdoc} |
|
46
|
|
|
*/ |
|
47
|
72 |
|
public function acceptForeignKey(Table $localTable, ForeignKeyConstraint $fkConstraint) |
|
48
|
|
|
{ |
|
49
|
72 |
|
if (! $this->platform->supportsCreateDropForeignKeyConstraints()) { |
|
50
|
|
|
return; |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
72 |
|
if (strlen($fkConstraint->getName()) === 0) { |
|
54
|
47 |
|
throw SchemaException::namedForeignKeyRequired($localTable, $fkConstraint); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
71 |
|
$this->constraints->attach($fkConstraint, $localTable); |
|
58
|
71 |
|
} |
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* {@inheritdoc} |
|
62
|
|
|
*/ |
|
63
|
24 |
|
public function acceptSequence(Sequence $sequence) |
|
64
|
|
|
{ |
|
65
|
24 |
|
$this->sequences->attach($sequence); |
|
66
|
24 |
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* @return void |
|
70
|
|
|
*/ |
|
71
|
120 |
|
public function clearQueries() |
|
72
|
|
|
{ |
|
73
|
120 |
|
$this->constraints = new SplObjectStorage(); |
|
74
|
120 |
|
$this->sequences = new SplObjectStorage(); |
|
75
|
120 |
|
$this->tables = new SplObjectStorage(); |
|
76
|
120 |
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* @return string[] |
|
80
|
|
|
*/ |
|
81
|
119 |
|
public function getQueries() |
|
82
|
|
|
{ |
|
83
|
119 |
|
$sql = []; |
|
84
|
|
|
|
|
85
|
|
|
/** @var ForeignKeyConstraint $fkConstraint */ |
|
86
|
119 |
|
foreach ($this->constraints as $fkConstraint) { |
|
87
|
71 |
|
$localTable = $this->constraints[$fkConstraint]; |
|
88
|
71 |
|
$sql[] = $this->platform->getDropForeignKeySQL($fkConstraint, $localTable); |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
/** @var Sequence $sequence */ |
|
92
|
119 |
|
foreach ($this->sequences as $sequence) { |
|
93
|
24 |
|
$sql[] = $this->platform->getDropSequenceSQL($sequence); |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
/** @var Table $table */ |
|
97
|
119 |
|
foreach ($this->tables as $table) { |
|
98
|
118 |
|
$sql[] = $this->platform->getDropTableSQL($table); |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
119 |
|
return $sql; |
|
102
|
|
|
} |
|
103
|
|
|
} |
|
104
|
|
|
|
doctrine /
dbal
