|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Yiisoft\Db\Mysql\Schema; |
|
6
|
|
|
|
|
7
|
|
|
use Yiisoft\Arrays\ArrayHelper; |
|
8
|
|
|
use Yiisoft\Db\Constraint\Constraint; |
|
9
|
|
|
use Yiisoft\Db\Constraint\ConstraintFinderInterface; |
|
10
|
|
|
use Yiisoft\Db\Constraint\ConstraintFinderTrait; |
|
11
|
|
|
use Yiisoft\Db\Constraint\ForeignKeyConstraint; |
|
12
|
|
|
use Yiisoft\Db\Constraint\IndexConstraint; |
|
13
|
|
|
use Yiisoft\Db\Exception\InvalidConfigException; |
|
14
|
|
|
use Yiisoft\Db\Exception\NotSupportedException; |
|
15
|
|
|
use Yiisoft\Db\Expression\Expression; |
|
16
|
|
|
use Yiisoft\Db\Mysql\Query\QueryBuilder; |
|
17
|
|
|
use Yiisoft\Db\Schema\Schema as AbstractSchema; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* Schema is the class for retrieving metadata from a MySQL database. |
|
21
|
|
|
*/ |
|
22
|
|
|
class Schema extends AbstractSchema implements ConstraintFinderInterface |
|
23
|
|
|
{ |
|
24
|
|
|
use ConstraintFinderTrait; |
|
25
|
|
|
|
|
26
|
|
|
protected string $columnSchemaClass = ColumnSchema::class; |
|
27
|
|
|
protected string $tableQuoteCharacter = '`'; |
|
28
|
|
|
protected string $columnQuoteCharacter = '`'; |
|
29
|
|
|
private bool $oldMysql; |
|
30
|
|
|
private array $typeMap = [ |
|
31
|
|
|
'tinyint' => self::TYPE_TINYINT, |
|
32
|
|
|
'bit' => self::TYPE_INTEGER, |
|
33
|
|
|
'smallint' => self::TYPE_SMALLINT, |
|
34
|
|
|
'mediumint' => self::TYPE_INTEGER, |
|
35
|
|
|
'int' => self::TYPE_INTEGER, |
|
36
|
|
|
'integer' => self::TYPE_INTEGER, |
|
37
|
|
|
'bigint' => self::TYPE_BIGINT, |
|
38
|
|
|
'float' => self::TYPE_FLOAT, |
|
39
|
|
|
'double' => self::TYPE_DOUBLE, |
|
40
|
|
|
'real' => self::TYPE_FLOAT, |
|
41
|
|
|
'decimal' => self::TYPE_DECIMAL, |
|
42
|
|
|
'numeric' => self::TYPE_DECIMAL, |
|
43
|
|
|
'tinytext' => self::TYPE_TEXT, |
|
44
|
|
|
'mediumtext' => self::TYPE_TEXT, |
|
45
|
|
|
'longtext' => self::TYPE_TEXT, |
|
46
|
|
|
'longblob' => self::TYPE_BINARY, |
|
47
|
|
|
'blob' => self::TYPE_BINARY, |
|
48
|
|
|
'text' => self::TYPE_TEXT, |
|
49
|
|
|
'varchar' => self::TYPE_STRING, |
|
50
|
|
|
'string' => self::TYPE_STRING, |
|
51
|
|
|
'char' => self::TYPE_CHAR, |
|
52
|
|
|
'datetime' => self::TYPE_DATETIME, |
|
53
|
|
|
'year' => self::TYPE_DATE, |
|
54
|
|
|
'date' => self::TYPE_DATE, |
|
55
|
|
|
'time' => self::TYPE_TIME, |
|
56
|
|
|
'timestamp' => self::TYPE_TIMESTAMP, |
|
57
|
|
|
'enum' => self::TYPE_STRING, |
|
58
|
|
|
'varbinary' => self::TYPE_BINARY, |
|
59
|
|
|
'json' => self::TYPE_JSON, |
|
60
|
|
|
]; |
|
61
|
|
|
|
|
62
|
|
|
protected function resolveTableName($name) |
|
63
|
|
|
{ |
|
64
|
|
|
$resolvedName = new TableSchema(); |
|
65
|
|
|
|
|
66
|
|
|
$parts = explode('.', str_replace('`', '', $name)); |
|
67
|
|
|
|
|
68
|
|
|
if (isset($parts[1])) { |
|
69
|
|
|
$resolvedName->schemaName($parts[0]); |
|
70
|
|
|
$resolvedName->name($parts[1]); |
|
71
|
|
|
} else { |
|
72
|
|
|
$resolvedName->schemaName($this->defaultSchema); |
|
73
|
|
|
$resolvedName->name($name); |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
|
|
$resolvedName->fullName(($resolvedName->getSchemaName() !== $this->defaultSchema ? |
|
77
|
|
|
$resolvedName->getSchemaName() . '.' : '') . $resolvedName->getName()); |
|
78
|
|
|
|
|
79
|
|
|
return $resolvedName; |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
protected function findTableNames($schema = '') |
|
83
|
|
|
{ |
|
84
|
|
|
$sql = 'SHOW TABLES'; |
|
85
|
|
|
|
|
86
|
|
|
if ($schema !== '') { |
|
87
|
|
|
$sql .= ' FROM ' . $this->quoteSimpleTableName($schema); |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
return $this->getDb()->createCommand($sql)->queryColumn(); |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
protected function loadTableSchema(string $name): ?TableSchema |
|
94
|
|
|
{ |
|
95
|
|
|
$table = new TableSchema(); |
|
96
|
|
|
|
|
97
|
|
|
$this->resolveTableNames($table, $name); |
|
98
|
|
|
|
|
99
|
|
|
if ($this->findColumns($table)) { |
|
100
|
|
|
$this->findConstraints($table); |
|
101
|
|
|
|
|
102
|
|
|
return $table; |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
return null; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
protected function loadTablePrimaryKey(string $tableName): ?Constraint |
|
109
|
|
|
{ |
|
110
|
|
|
return $this->loadTableConstraints($tableName, 'primaryKey'); |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
protected function loadTableForeignKeys(string $tableName): array |
|
114
|
|
|
{ |
|
115
|
|
|
return $this->loadTableConstraints($tableName, 'foreignKeys'); |
|
116
|
|
|
} |
|
117
|
|
|
|
|
118
|
|
|
protected function loadTableIndexes(string $tableName): array |
|
119
|
|
|
{ |
|
120
|
|
|
static $sql = <<<'SQL' |
|
121
|
|
|
SELECT |
|
122
|
|
|
`s`.`INDEX_NAME` AS `name`, |
|
123
|
|
|
`s`.`COLUMN_NAME` AS `column_name`, |
|
124
|
|
|
`s`.`NON_UNIQUE` ^ 1 AS `index_is_unique`, |
|
125
|
|
|
`s`.`INDEX_NAME` = 'PRIMARY' AS `index_is_primary` |
|
126
|
|
|
FROM `information_schema`.`STATISTICS` AS `s` |
|
127
|
|
|
WHERE `s`.`TABLE_SCHEMA` = COALESCE(:schemaName, DATABASE()) AND `s`.`INDEX_SCHEMA` = `s`.`TABLE_SCHEMA` AND `s`.`TABLE_NAME` = :tableName |
|
128
|
|
|
ORDER BY `s`.`SEQ_IN_INDEX` ASC |
|
129
|
|
|
SQL; |
|
130
|
|
|
|
|
131
|
|
|
$resolvedName = $this->resolveTableName($tableName); |
|
132
|
|
|
|
|
133
|
|
|
$indexes = $this->getDb()->createCommand($sql, [ |
|
134
|
|
|
':schemaName' => $resolvedName->getSchemaName(), |
|
135
|
|
|
':tableName' => $resolvedName->getName(), |
|
136
|
|
|
])->queryAll(); |
|
137
|
|
|
|
|
138
|
|
|
$indexes = $this->normalizePdoRowKeyCase($indexes, true); |
|
139
|
|
|
$indexes = ArrayHelper::index($indexes, null, 'name'); |
|
140
|
|
|
$result = []; |
|
141
|
|
|
|
|
142
|
|
|
foreach ($indexes as $name => $index) { |
|
143
|
|
|
$ic = new IndexConstraint(); |
|
144
|
|
|
|
|
145
|
|
|
$ic->setIsPrimary((bool) $index[0]['index_is_primary']); |
|
146
|
|
|
$ic->setIsUnique((bool) $index[0]['index_is_unique']); |
|
147
|
|
|
$ic->setName($name !== 'PRIMARY' ? $name : null); |
|
148
|
|
|
$ic->setColumnNames(ArrayHelper::getColumn($index, 'column_name')); |
|
149
|
|
|
|
|
150
|
|
|
$result[] = $ic; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
return $result; |
|
154
|
|
|
} |
|
155
|
|
|
|
|
156
|
|
|
protected function loadTableUniques(string $tableName): array |
|
157
|
|
|
{ |
|
158
|
|
|
return $this->loadTableConstraints($tableName, 'uniques'); |
|
159
|
|
|
} |
|
160
|
|
|
|
|
161
|
|
|
protected function loadTableChecks(string $tableName): array |
|
|
|
|
|
|
162
|
|
|
{ |
|
163
|
|
|
throw new NotSupportedException('MySQL does not support check constraints.'); |
|
164
|
|
|
} |
|
165
|
|
|
|
|
166
|
|
|
protected function loadTableDefaultValues(string $tableName): array |
|
|
|
|
|
|
167
|
|
|
{ |
|
168
|
|
|
throw new NotSupportedException('MySQL does not support default value constraints.'); |
|
169
|
|
|
} |
|
170
|
|
|
|
|
171
|
|
|
/** |
|
172
|
|
|
* Creates a query builder for the MySQL database. |
|
173
|
|
|
* |
|
174
|
|
|
* @return QueryBuilder query builder instance |
|
175
|
|
|
*/ |
|
176
|
|
|
public function createQueryBuilder() |
|
177
|
|
|
{ |
|
178
|
|
|
return new QueryBuilder($this->getDb()); |
|
|
|
|
|
|
179
|
|
|
} |
|
180
|
|
|
|
|
181
|
|
|
/** |
|
182
|
|
|
* Resolves the table name and schema name (if any). |
|
183
|
|
|
* |
|
184
|
|
|
* @param TableSchema $table the table metadata object. |
|
185
|
|
|
* @param string $name the table name. |
|
186
|
|
|
*/ |
|
187
|
|
|
protected function resolveTableNames($table, $name) |
|
188
|
|
|
{ |
|
189
|
|
|
$parts = explode('.', str_replace('`', '', $name)); |
|
190
|
|
|
|
|
191
|
|
|
if (isset($parts[1])) { |
|
192
|
|
|
$table->schemaName($parts[0]); |
|
193
|
|
|
$table->name($parts[1]); |
|
194
|
|
|
$table->fullName($table->getSchemaName() . '.' . $table->getName()); |
|
195
|
|
|
} else { |
|
196
|
|
|
$table->name($parts[0]); |
|
197
|
|
|
$table->fullName($parts[0]); |
|
198
|
|
|
} |
|
199
|
|
|
} |
|
200
|
|
|
|
|
201
|
|
|
/** |
|
202
|
|
|
* Loads the column information into a {@see ColumnSchema} object. |
|
203
|
|
|
* |
|
204
|
|
|
* @param array $info column information. |
|
205
|
|
|
* |
|
206
|
|
|
* @return ColumnSchema the column schema object. |
|
207
|
|
|
*/ |
|
208
|
|
|
protected function loadColumnSchema(array $info): ColumnSchema |
|
209
|
|
|
{ |
|
210
|
|
|
$column = $this->createColumnSchema(); |
|
211
|
|
|
|
|
212
|
|
|
$column->name($info['field']); |
|
213
|
|
|
$column->allowNull($info['null'] === 'YES'); |
|
214
|
|
|
$column->isPrimaryKey(strpos($info['key'], 'PRI') !== false); |
|
215
|
|
|
$column->autoIncrement(stripos($info['extra'], 'auto_increment') !== false); |
|
216
|
|
|
$column->comment($info['comment']); |
|
217
|
|
|
$column->dbType($info['type']); |
|
218
|
|
|
$column->unsigned(stripos($column->getDbType(), 'unsigned') !== false); |
|
219
|
|
|
$column->type(self::TYPE_STRING); |
|
220
|
|
|
|
|
221
|
|
|
if (preg_match('/^(\w+)(?:\(([^)]+)\))?/', $column->getDbType(), $matches)) { |
|
222
|
|
|
$type = strtolower($matches[1]); |
|
223
|
|
|
if (isset($this->typeMap[$type])) { |
|
224
|
|
|
$column->type($this->typeMap[$type]); |
|
225
|
|
|
} |
|
226
|
|
|
if (!empty($matches[2])) { |
|
227
|
|
|
if ($type === 'enum') { |
|
228
|
|
|
preg_match_all("/'[^']*'/", $matches[2], $values); |
|
229
|
|
|
foreach ($values[0] as $i => $value) { |
|
230
|
|
|
$values[$i] = trim($value, "'"); |
|
231
|
|
|
} |
|
232
|
|
|
$column->enumValues($values); |
|
233
|
|
|
} else { |
|
234
|
|
|
$values = explode(',', $matches[2]); |
|
235
|
|
|
$column->precision((int) $values[0]); |
|
236
|
|
|
$column->size((int) $values[0]); |
|
237
|
|
|
if (isset($values[1])) { |
|
238
|
|
|
$column->scale((int) $values[1]); |
|
239
|
|
|
} |
|
240
|
|
|
if ($column->getSize() === 1 && $type === 'bit') { |
|
241
|
|
|
$column->type('boolean'); |
|
242
|
|
|
} elseif ($type === 'bit') { |
|
243
|
|
|
if ($column->getSize() > 32) { |
|
244
|
|
|
$column->type('bigint'); |
|
245
|
|
|
} elseif ($column->getSize() === 32) { |
|
246
|
|
|
$column->type('integer'); |
|
247
|
|
|
} |
|
248
|
|
|
} |
|
249
|
|
|
} |
|
250
|
|
|
} |
|
251
|
|
|
} |
|
252
|
|
|
|
|
253
|
|
|
$column->phpType($this->getColumnPhpType($column)); |
|
254
|
|
|
|
|
255
|
|
|
if (!$column->getIsPrimaryKey()) { |
|
256
|
|
|
/** |
|
257
|
|
|
* When displayed in the INFORMATION_SCHEMA.COLUMNS table, a default CURRENT TIMESTAMP is displayed |
|
258
|
|
|
* as CURRENT_TIMESTAMP up until MariaDB 10.2.2, and as current_timestamp() from MariaDB 10.2.3. |
|
259
|
|
|
* |
|
260
|
|
|
* See details here: https://mariadb.com/kb/en/library/now/#description |
|
261
|
|
|
*/ |
|
262
|
|
|
if ( |
|
263
|
|
|
($column->getType() === 'timestamp' || $column->getType() === 'datetime') |
|
264
|
|
|
&& preg_match('/^current_timestamp(?:\(([0-9]*)\))?$/i', (string) $info['default'], $matches) |
|
265
|
|
|
) { |
|
266
|
|
|
$column->defaultValue(new Expression('CURRENT_TIMESTAMP' . (!empty($matches[1]) |
|
267
|
|
|
? '(' . $matches[1] . ')' : ''))); |
|
268
|
|
|
} elseif (isset($type) && $type === 'bit') { |
|
269
|
|
|
$column->defaultValue(bindec(trim((string) $info['default'], 'b\''))); |
|
270
|
|
|
} else { |
|
271
|
|
|
$column->defaultValue($column->phpTypecast($info['default'])); |
|
272
|
|
|
} |
|
273
|
|
|
} |
|
274
|
|
|
|
|
275
|
|
|
return $column; |
|
276
|
|
|
} |
|
277
|
|
|
|
|
278
|
|
|
/** |
|
279
|
|
|
* Collects the metadata of table columns. |
|
280
|
|
|
* |
|
281
|
|
|
* @param TableSchema $table the table metadata. |
|
282
|
|
|
* |
|
283
|
|
|
* @throws \Exception if DB query fails. |
|
284
|
|
|
* |
|
285
|
|
|
* @return bool whether the table exists in the database. |
|
286
|
|
|
*/ |
|
287
|
|
|
protected function findColumns($table) |
|
288
|
|
|
{ |
|
289
|
|
|
$sql = 'SHOW FULL COLUMNS FROM ' . $this->quoteTableName($table->getFullName()); |
|
|
|
|
|
|
290
|
|
|
|
|
291
|
|
|
try { |
|
292
|
|
|
$columns = $this->getDb()->createCommand($sql)->queryAll(); |
|
293
|
|
|
} catch (\Exception $e) { |
|
294
|
|
|
$previous = $e->getPrevious(); |
|
295
|
|
|
|
|
296
|
|
|
if ($previous instanceof \PDOException && strpos($previous->getMessage(), 'SQLSTATE[42S02') !== false) { |
|
297
|
|
|
/** |
|
298
|
|
|
* table does not exist |
|
299
|
|
|
* https://dev.mysql.com/doc/refman/5.5/en/error-messages-server.html#error_er_bad_table_error |
|
300
|
|
|
*/ |
|
301
|
|
|
return false; |
|
302
|
|
|
} |
|
303
|
|
|
|
|
304
|
|
|
throw $e; |
|
305
|
|
|
} |
|
306
|
|
|
|
|
307
|
|
|
foreach ($columns as $info) { |
|
308
|
|
|
if ($this->getDb()->getSlavePdo()->getAttribute(\PDO::ATTR_CASE) !== \PDO::CASE_LOWER) { |
|
309
|
|
|
$info = array_change_key_case($info, CASE_LOWER); |
|
310
|
|
|
} |
|
311
|
|
|
|
|
312
|
|
|
$column = $this->loadColumnSchema($info); |
|
313
|
|
|
$table->columns($column->getName(), $column); |
|
314
|
|
|
|
|
315
|
|
|
if ($column->getIsPrimaryKey()) { |
|
316
|
|
|
$table->primaryKey($column->getName()); |
|
317
|
|
|
if ($column->getAutoIncrement()) { |
|
318
|
|
|
$table->sequenceName(''); |
|
319
|
|
|
} |
|
320
|
|
|
} |
|
321
|
|
|
} |
|
322
|
|
|
|
|
323
|
|
|
return true; |
|
324
|
|
|
} |
|
325
|
|
|
|
|
326
|
|
|
/** |
|
327
|
|
|
* Gets the CREATE TABLE sql string. |
|
328
|
|
|
* |
|
329
|
|
|
* @param TableSchema $table the table metadata. |
|
330
|
|
|
* |
|
331
|
|
|
* @return string $sql the result of 'SHOW CREATE TABLE'. |
|
332
|
|
|
*/ |
|
333
|
|
|
protected function getCreateTableSql($table): string |
|
334
|
|
|
{ |
|
335
|
|
|
$row = $this->getDb()->createCommand( |
|
336
|
|
|
'SHOW CREATE TABLE ' . $this->quoteTableName($table->getFullName()) |
|
|
|
|
|
|
337
|
|
|
)->queryOne(); |
|
338
|
|
|
|
|
339
|
|
|
if (isset($row['Create Table'])) { |
|
340
|
|
|
$sql = $row['Create Table']; |
|
341
|
|
|
} else { |
|
342
|
|
|
$row = array_values($row); |
|
|
|
|
|
|
343
|
|
|
$sql = $row[1]; |
|
344
|
|
|
} |
|
345
|
|
|
|
|
346
|
|
|
return $sql; |
|
347
|
|
|
} |
|
348
|
|
|
|
|
349
|
|
|
/** |
|
350
|
|
|
* Collects the foreign key column details for the given table. |
|
351
|
|
|
* |
|
352
|
|
|
* @param TableSchema $table the table metadata. |
|
353
|
|
|
* |
|
354
|
|
|
* @throws \Exception |
|
355
|
|
|
*/ |
|
356
|
|
|
protected function findConstraints($table) |
|
357
|
|
|
{ |
|
358
|
|
|
$sql = <<<'SQL' |
|
359
|
|
|
SELECT |
|
360
|
|
|
kcu.constraint_name, |
|
361
|
|
|
kcu.column_name, |
|
362
|
|
|
kcu.referenced_table_name, |
|
363
|
|
|
kcu.referenced_column_name |
|
364
|
|
|
FROM information_schema.referential_constraints AS rc |
|
365
|
|
|
JOIN information_schema.key_column_usage AS kcu ON |
|
366
|
|
|
( |
|
367
|
|
|
kcu.constraint_catalog = rc.constraint_catalog OR |
|
368
|
|
|
(kcu.constraint_catalog IS NULL AND rc.constraint_catalog IS NULL) |
|
369
|
|
|
) AND |
|
370
|
|
|
kcu.constraint_schema = rc.constraint_schema AND |
|
371
|
|
|
kcu.constraint_name = rc.constraint_name |
|
372
|
|
|
WHERE rc.constraint_schema = database() AND kcu.table_schema = database() |
|
373
|
|
|
AND rc.table_name = :tableName AND kcu.table_name = :tableName1 |
|
374
|
|
|
SQL; |
|
375
|
|
|
|
|
376
|
|
|
try { |
|
377
|
|
|
$rows = $this->getDb()->createCommand( |
|
378
|
|
|
$sql, |
|
379
|
|
|
[':tableName' => $table->getName(), ':tableName1' => $table->getName()] |
|
380
|
|
|
)->queryAll(); |
|
381
|
|
|
|
|
382
|
|
|
$constraints = []; |
|
383
|
|
|
|
|
384
|
|
|
foreach ($rows as $row) { |
|
385
|
|
|
$constraints[$row['constraint_name']]['referenced_table_name'] = $row['referenced_table_name']; |
|
386
|
|
|
$constraints[$row['constraint_name']]['columns'][$row['column_name']] = $row['referenced_column_name']; |
|
387
|
|
|
} |
|
388
|
|
|
|
|
389
|
|
|
$table->foreignKeys([]); |
|
390
|
|
|
|
|
391
|
|
|
foreach ($constraints as $name => $constraint) { |
|
392
|
|
|
$table->foreignKey($name, array_merge( |
|
393
|
|
|
[$constraint['referenced_table_name']], |
|
394
|
|
|
$constraint['columns'] |
|
395
|
|
|
)); |
|
396
|
|
|
} |
|
397
|
|
|
} catch (\Exception $e) { |
|
398
|
|
|
$previous = $e->getPrevious(); |
|
399
|
|
|
|
|
400
|
|
|
if (!$previous instanceof \PDOException || strpos($previous->getMessage(), 'SQLSTATE[42S02') === false) { |
|
401
|
|
|
throw $e; |
|
402
|
|
|
} |
|
403
|
|
|
|
|
404
|
|
|
// table does not exist, try to determine the foreign keys using the table creation sql |
|
405
|
|
|
$sql = $this->getCreateTableSql($table); |
|
406
|
|
|
$regexp = '/FOREIGN KEY\s+\(([^\)]+)\)\s+REFERENCES\s+([^\(^\s]+)\s*\(([^\)]+)\)/mi'; |
|
407
|
|
|
|
|
408
|
|
|
if (preg_match_all($regexp, $sql, $matches, PREG_SET_ORDER)) { |
|
409
|
|
|
foreach ($matches as $match) { |
|
410
|
|
|
$fks = array_map('trim', explode(',', str_replace('`', '', $match[1]))); |
|
411
|
|
|
$pks = array_map('trim', explode(',', str_replace('`', '', $match[3]))); |
|
412
|
|
|
$constraint = [str_replace('`', '', $match[2])]; |
|
413
|
|
|
|
|
414
|
|
|
foreach ($fks as $k => $name) { |
|
415
|
|
|
$constraint[$name] = $pks[$k]; |
|
416
|
|
|
} |
|
417
|
|
|
|
|
418
|
|
|
$table->foreignKey(md5(serialize($constraint)), $constraint); |
|
419
|
|
|
} |
|
420
|
|
|
$table->foreignKeys(\array_values($table->getForeignKeys())); |
|
421
|
|
|
} |
|
422
|
|
|
} |
|
423
|
|
|
} |
|
424
|
|
|
|
|
425
|
|
|
/** |
|
426
|
|
|
* Returns all unique indexes for the given table. |
|
427
|
|
|
* |
|
428
|
|
|
* Each array element is of the following structure: |
|
429
|
|
|
* |
|
430
|
|
|
* ```php |
|
431
|
|
|
* [ |
|
432
|
|
|
* 'IndexName1' => ['col1' [, ...]], |
|
433
|
|
|
* 'IndexName2' => ['col2' [, ...]], |
|
434
|
|
|
* ] |
|
435
|
|
|
* ``` |
|
436
|
|
|
* |
|
437
|
|
|
* @param TableSchema $table the table metadata. |
|
438
|
|
|
* |
|
439
|
|
|
* @return array all unique indexes for the given table. |
|
440
|
|
|
*/ |
|
441
|
|
|
public function findUniqueIndexes($table) |
|
442
|
|
|
{ |
|
443
|
|
|
$sql = $this->getCreateTableSql($table); |
|
444
|
|
|
|
|
445
|
|
|
$uniqueIndexes = []; |
|
446
|
|
|
|
|
447
|
|
|
$regexp = '/UNIQUE KEY\s+\`(.+)\`\s*\((\`.+\`)+\)/mi'; |
|
448
|
|
|
|
|
449
|
|
|
if (preg_match_all($regexp, $sql, $matches, PREG_SET_ORDER)) { |
|
450
|
|
|
foreach ($matches as $match) { |
|
451
|
|
|
$indexName = $match[1]; |
|
452
|
|
|
$indexColumns = array_map('trim', explode('`,`', trim($match[2], '`'))); |
|
453
|
|
|
$uniqueIndexes[$indexName] = $indexColumns; |
|
454
|
|
|
} |
|
455
|
|
|
} |
|
456
|
|
|
|
|
457
|
|
|
return $uniqueIndexes; |
|
458
|
|
|
} |
|
459
|
|
|
|
|
460
|
|
|
public function createColumnSchemaBuilder($type, $length = null) |
|
461
|
|
|
{ |
|
462
|
|
|
return new ColumnSchemaBuilder($type, $length, $this->getDb()); |
|
463
|
|
|
} |
|
464
|
|
|
|
|
465
|
|
|
/** |
|
466
|
|
|
* @throws InvalidConfigException |
|
467
|
|
|
* @throws Exception |
|
468
|
|
|
* |
|
469
|
|
|
* @return bool whether the version of the MySQL being used is older than 5.1. |
|
470
|
|
|
*/ |
|
471
|
|
|
protected function isOldMysql() |
|
472
|
|
|
{ |
|
473
|
|
|
if ($this->oldMysql === null) { |
|
474
|
|
|
$version = $this->getDb()->getSlavePdo()->getAttribute(\PDO::ATTR_SERVER_VERSION); |
|
475
|
|
|
|
|
476
|
|
|
$this->oldMysql = version_compare($version, '5.1', '<='); |
|
477
|
|
|
} |
|
478
|
|
|
|
|
479
|
|
|
return $this->oldMysql; |
|
480
|
|
|
} |
|
481
|
|
|
|
|
482
|
|
|
/** |
|
483
|
|
|
* Loads multiple types of constraints and returns the specified ones. |
|
484
|
|
|
* |
|
485
|
|
|
* @param string $tableName table name. |
|
486
|
|
|
* @param string $returnType return type: |
|
487
|
|
|
* - primaryKey |
|
488
|
|
|
* - foreignKeys |
|
489
|
|
|
* - uniques |
|
490
|
|
|
* |
|
491
|
|
|
* @return mixed constraints. |
|
492
|
|
|
*/ |
|
493
|
|
|
private function loadTableConstraints(string $tableName, string $returnType) |
|
494
|
|
|
{ |
|
495
|
|
|
static $sql = <<<'SQL' |
|
496
|
|
|
SELECT |
|
497
|
|
|
`kcu`.`CONSTRAINT_NAME` AS `name`, |
|
498
|
|
|
`kcu`.`COLUMN_NAME` AS `column_name`, |
|
499
|
|
|
`tc`.`CONSTRAINT_TYPE` AS `type`, |
|
500
|
|
|
CASE |
|
501
|
|
|
WHEN :schemaName IS NULL AND `kcu`.`REFERENCED_TABLE_SCHEMA` = DATABASE() THEN NULL |
|
502
|
|
|
ELSE `kcu`.`REFERENCED_TABLE_SCHEMA` |
|
503
|
|
|
END AS `foreign_table_schema`, |
|
504
|
|
|
`kcu`.`REFERENCED_TABLE_NAME` AS `foreign_table_name`, |
|
505
|
|
|
`kcu`.`REFERENCED_COLUMN_NAME` AS `foreign_column_name`, |
|
506
|
|
|
`rc`.`UPDATE_RULE` AS `on_update`, |
|
507
|
|
|
`rc`.`DELETE_RULE` AS `on_delete`, |
|
508
|
|
|
`kcu`.`ORDINAL_POSITION` AS `position` |
|
509
|
|
|
FROM |
|
510
|
|
|
`information_schema`.`KEY_COLUMN_USAGE` AS `kcu`, |
|
511
|
|
|
`information_schema`.`REFERENTIAL_CONSTRAINTS` AS `rc`, |
|
512
|
|
|
`information_schema`.`TABLE_CONSTRAINTS` AS `tc` |
|
513
|
|
|
WHERE |
|
514
|
|
|
`kcu`.`TABLE_SCHEMA` = COALESCE(:schemaName, DATABASE()) AND `kcu`.`CONSTRAINT_SCHEMA` = `kcu`.`TABLE_SCHEMA` AND `kcu`.`TABLE_NAME` = :tableName |
|
515
|
|
|
AND `rc`.`CONSTRAINT_SCHEMA` = `kcu`.`TABLE_SCHEMA` AND `rc`.`TABLE_NAME` = :tableName AND `rc`.`CONSTRAINT_NAME` = `kcu`.`CONSTRAINT_NAME` |
|
516
|
|
|
AND `tc`.`TABLE_SCHEMA` = `kcu`.`TABLE_SCHEMA` AND `tc`.`TABLE_NAME` = :tableName AND `tc`.`CONSTRAINT_NAME` = `kcu`.`CONSTRAINT_NAME` AND `tc`.`CONSTRAINT_TYPE` = 'FOREIGN KEY' |
|
517
|
|
|
UNION |
|
518
|
|
|
SELECT |
|
519
|
|
|
`kcu`.`CONSTRAINT_NAME` AS `name`, |
|
520
|
|
|
`kcu`.`COLUMN_NAME` AS `column_name`, |
|
521
|
|
|
`tc`.`CONSTRAINT_TYPE` AS `type`, |
|
522
|
|
|
NULL AS `foreign_table_schema`, |
|
523
|
|
|
NULL AS `foreign_table_name`, |
|
524
|
|
|
NULL AS `foreign_column_name`, |
|
525
|
|
|
NULL AS `on_update`, |
|
526
|
|
|
NULL AS `on_delete`, |
|
527
|
|
|
`kcu`.`ORDINAL_POSITION` AS `position` |
|
528
|
|
|
FROM |
|
529
|
|
|
`information_schema`.`KEY_COLUMN_USAGE` AS `kcu`, |
|
530
|
|
|
`information_schema`.`TABLE_CONSTRAINTS` AS `tc` |
|
531
|
|
|
WHERE |
|
532
|
|
|
`kcu`.`TABLE_SCHEMA` = COALESCE(:schemaName, DATABASE()) AND `kcu`.`TABLE_NAME` = :tableName |
|
533
|
|
|
AND `tc`.`TABLE_SCHEMA` = `kcu`.`TABLE_SCHEMA` AND `tc`.`TABLE_NAME` = :tableName AND `tc`.`CONSTRAINT_NAME` = `kcu`.`CONSTRAINT_NAME` AND `tc`.`CONSTRAINT_TYPE` IN ('PRIMARY KEY', 'UNIQUE') |
|
534
|
|
|
ORDER BY `position` ASC |
|
535
|
|
|
SQL; |
|
536
|
|
|
|
|
537
|
|
|
$resolvedName = $this->resolveTableName($tableName); |
|
538
|
|
|
|
|
539
|
|
|
$constraints = $this->getDb()->createCommand( |
|
540
|
|
|
$sql, |
|
541
|
|
|
[ |
|
542
|
|
|
':schemaName' => $resolvedName->getSchemaName(), |
|
543
|
|
|
':tableName' => $resolvedName->getName(), |
|
544
|
|
|
] |
|
545
|
|
|
)->queryAll(); |
|
546
|
|
|
|
|
547
|
|
|
$constraints = $this->normalizePdoRowKeyCase($constraints, true); |
|
548
|
|
|
$constraints = ArrayHelper::index($constraints, null, ['type', 'name']); |
|
549
|
|
|
|
|
550
|
|
|
$result = [ |
|
551
|
|
|
'primaryKey' => null, |
|
552
|
|
|
'foreignKeys' => [], |
|
553
|
|
|
'uniques' => [], |
|
554
|
|
|
]; |
|
555
|
|
|
|
|
556
|
|
|
foreach ($constraints as $type => $names) { |
|
557
|
|
|
foreach ($names as $name => $constraint) { |
|
558
|
|
|
switch ($type) { |
|
559
|
|
|
case 'PRIMARY KEY': |
|
560
|
|
|
$ct = new Constraint(); |
|
561
|
|
|
$ct->setColumnNames(ArrayHelper::getColumn($constraint, 'column_name')); |
|
562
|
|
|
$result['primaryKey'] = $ct; |
|
563
|
|
|
|
|
564
|
|
|
break; |
|
565
|
|
|
case 'FOREIGN KEY': |
|
566
|
|
|
$fk = new ForeignKeyConstraint(); |
|
567
|
|
|
$fk->setName($name); |
|
568
|
|
|
$fk->setColumnNames(ArrayHelper::getColumn($constraint, 'column_name')); |
|
569
|
|
|
$fk->setForeignSchemaName($constraint[0]['foreign_table_schema']); |
|
570
|
|
|
$fk->setForeignTableName($constraint[0]['foreign_table_name']); |
|
571
|
|
|
$fk->setForeignColumnNames(ArrayHelper::getColumn($constraint, 'foreign_column_name')); |
|
572
|
|
|
$fk->setOnDelete($constraint[0]['on_delete']); |
|
573
|
|
|
$fk->setOnUpdate($constraint[0]['on_update']); |
|
574
|
|
|
$result['foreignKeys'][] = $fk; |
|
575
|
|
|
|
|
576
|
|
|
break; |
|
577
|
|
|
case 'UNIQUE': |
|
578
|
|
|
$ct = new Constraint(); |
|
579
|
|
|
$ct->setName($name); |
|
580
|
|
|
$ct->setColumnNames(ArrayHelper::getColumn($constraint, 'column_name')); |
|
581
|
|
|
$result['uniques'][] = $ct; |
|
582
|
|
|
|
|
583
|
|
|
break; |
|
584
|
|
|
} |
|
585
|
|
|
} |
|
586
|
|
|
} |
|
587
|
|
|
|
|
588
|
|
|
foreach ($result as $type => $data) { |
|
589
|
|
|
$this->setTableMetadata($tableName, $type, $data); |
|
590
|
|
|
} |
|
591
|
|
|
|
|
592
|
|
|
return $result[$returnType]; |
|
593
|
|
|
} |
|
594
|
|
|
|
|
595
|
|
|
/** |
|
596
|
|
|
* Creates a column schema for the database. |
|
597
|
|
|
* |
|
598
|
|
|
* This method may be overridden by child classes to create a DBMS-specific column schema. |
|
599
|
|
|
* |
|
600
|
|
|
* @return ColumnSchema column schema instance. |
|
601
|
|
|
*/ |
|
602
|
|
|
protected function createColumnSchema(): ColumnSchema |
|
603
|
|
|
{ |
|
604
|
|
|
return new ColumnSchema(); |
|
605
|
|
|
} |
|
606
|
|
|
} |
|
607
|
|
|
|
yiisoft /
db-mysql
Loading history...
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.