|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace carono\yii2migrate\helpers; |
|
4
|
|
|
|
|
5
|
|
|
use yii\db\Connection; |
|
6
|
|
|
use yii\helpers\ArrayHelper; |
|
7
|
|
|
use yii\helpers\StringHelper; |
|
8
|
|
|
|
|
9
|
|
|
class SchemaHelper |
|
10
|
|
|
{ |
|
11
|
|
|
/** |
|
12
|
|
|
* @param Connection $db |
|
13
|
|
|
* @param $table |
|
14
|
|
|
* @return \yii\db\IndexConstraint[] |
|
15
|
|
|
*/ |
|
16
|
6 |
|
public static function findNonUniqueIndexes($db, $table) |
|
17
|
|
|
{ |
|
18
|
6 |
|
$indexes = self::findIndexes($db, $table); |
|
19
|
|
|
$indexes = array_filter($indexes, function ($index) { |
|
20
|
6 |
|
return !$index->isUnique; |
|
21
|
6 |
|
}); |
|
22
|
6 |
|
return ArrayHelper::index($indexes, 'name'); |
|
23
|
|
|
} |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @param Connection $db |
|
27
|
|
|
* @param $table |
|
28
|
|
|
* @return \yii\db\IndexConstraint[] |
|
29
|
|
|
*/ |
|
30
|
2 |
|
public static function findUniqueIndexes($db, $table) |
|
31
|
|
|
{ |
|
32
|
2 |
|
$indexes = self::findIndexes($db, $table); |
|
33
|
|
|
$indexes = array_filter($indexes, function ($index) { |
|
34
|
2 |
|
return $index->isUnique; |
|
35
|
2 |
|
}); |
|
36
|
2 |
|
return ArrayHelper::index($indexes, 'name'); |
|
37
|
|
|
} |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* @param Connection $db |
|
41
|
|
|
* @param $table |
|
42
|
|
|
* @return \yii\db\IndexConstraint[] |
|
43
|
|
|
*/ |
|
44
|
8 |
|
public static function findIndexes($db, $table) |
|
45
|
|
|
{ |
|
46
|
8 |
|
$reflectionMethod = new \ReflectionMethod(get_class($db->schema), 'loadTableIndexes'); |
|
47
|
8 |
|
$reflectionMethod->setAccessible(true); |
|
48
|
8 |
|
$indexes = $reflectionMethod->invoke($db->schema, self::expandTablePrefix($table, $db->tablePrefix)); |
|
49
|
8 |
|
return ArrayHelper::index($indexes, 'name'); |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* @param Connection $db |
|
55
|
|
|
* @param $table |
|
56
|
|
|
* @return \yii\db\ForeignKeyConstraint[] |
|
57
|
|
|
*/ |
|
58
|
21 |
|
public static function findTableForeignKeys($db, $table) |
|
59
|
|
|
{ |
|
60
|
21 |
|
$reflectionMethod = new \ReflectionMethod(get_class($db->schema), 'loadTableForeignKeys'); |
|
61
|
21 |
|
$reflectionMethod->setAccessible(true); |
|
62
|
21 |
|
return ArrayHelper::index($reflectionMethod->invoke($db->schema, self::expandTablePrefix($table, $db->tablePrefix)), 'name'); |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* @param $str |
|
67
|
|
|
* @return mixed |
|
68
|
|
|
*/ |
|
69
|
53 |
|
public static function removeSchema($str) |
|
70
|
|
|
{ |
|
71
|
53 |
|
if (strpos($str, '.') !== false) { |
|
72
|
1 |
|
$arr = explode('.', $str); |
|
73
|
1 |
|
return $arr[1]; |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
52 |
|
return $str; |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
/** |
|
80
|
|
|
* {{%table}} to pfx_table |
|
81
|
|
|
* |
|
82
|
|
|
* @param $name |
|
83
|
|
|
* @param $prefix |
|
84
|
|
|
* @return null|string|string[] |
|
85
|
|
|
*/ |
|
86
|
85 |
|
public static function expandTablePrefix($name, $prefix) |
|
87
|
|
|
{ |
|
88
|
85 |
|
return preg_replace('/{{%([\w\-_]+)}}/', addcslashes($prefix, "\\") . '$1', $name); |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
/** |
|
92
|
|
|
* pfx_table to {{%table}} |
|
93
|
|
|
* |
|
94
|
|
|
* @param $name |
|
95
|
|
|
* @param $prefix |
|
96
|
|
|
* @return null|string|string[] |
|
97
|
|
|
*/ |
|
98
|
1 |
|
public static function collapseTablePrefix($name, $prefix) |
|
99
|
|
|
{ |
|
100
|
1 |
|
$prefix = addcslashes($prefix, "\\/"); |
|
101
|
1 |
|
return preg_replace("/^$prefix(.+)$/m", '{{%$1}}', $name); |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
/** |
|
105
|
|
|
* Принудительно обрезаем названия ключей, если они получаются больше чем $length, т.к. базы могут вылететь с ошибкой |
|
106
|
|
|
* |
|
107
|
|
|
* @see https://dev.mysql.com/doc/refman/5.7/en/identifiers.html |
|
108
|
|
|
* |
|
109
|
|
|
* @param $name |
|
110
|
|
|
* @param int $length |
|
111
|
|
|
* @param null $suffix |
|
|
|
|
|
|
112
|
|
|
* @return string |
|
113
|
|
|
*/ |
|
114
|
46 |
|
public static function truncateIndexName($name, $length = 64, $suffix = null) |
|
115
|
|
|
{ |
|
116
|
46 |
|
if (strlen($name) > $length) { |
|
117
|
1 |
|
if (StringHelper::endsWith($name, $suffix)) { |
|
118
|
1 |
|
$name = substr($name, 0, strlen($suffix) * -1); |
|
|
|
|
|
|
119
|
|
|
} |
|
120
|
1 |
|
return dechex(crc32($name)) . $suffix; |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
46 |
|
return $name; |
|
124
|
|
|
} |
|
125
|
|
|
} |
carono /
yii2-migrate
Loading history...