Schema::dropSequence() - Code Metrics - Inspection of "Added Codecov uploader to Travis CI configuration" - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#3610)

by Sergei

created 2019-06-16 23:39 UTC

Schema::dropSequence() A

↳ Parent: Schema

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	7
ccs	4
cts	4
cp	1
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	1
crap	1

<?php

namespace Doctrine\DBAL\Schema;

use Doctrine\DBAL\Platforms\AbstractPlatform;
use Doctrine\DBAL\Schema\Visitor\CreateSchemaSqlCollector;
use Doctrine\DBAL\Schema\Visitor\DropSchemaSqlCollector;
use Doctrine\DBAL\Schema\Visitor\NamespaceVisitor;
use Doctrine\DBAL\Schema\Visitor\Visitor;
use function array_keys;
use function strpos;
use function strtolower;

/**
 * Object representation of a database schema.
 *
 * Different vendors have very inconsistent naming with regard to the concept
 * of a "schema". Doctrine understands a schema as the entity that conceptually
 * wraps a set of database objects such as tables, sequences, indexes and
 * foreign keys that belong to each other into a namespace. A Doctrine Schema
 * has nothing to do with the "SCHEMA" defined as in PostgreSQL, it is more
 * related to the concept of "DATABASE" that exists in MySQL and PostgreSQL.
 *
 * Every asset in the doctrine schema has a name. A name consists of either a
 * namespace.local name pair or just a local unqualified name.
 *
 * The abstraction layer that covers a PostgreSQL schema is the namespace of an
 * database object (asset). A schema can have a name, which will be used as
 * default namespace for the unqualified database objects that are created in
 * the schema.
 *
 * In the case of MySQL where cross-database queries are allowed this leads to
 * databases being "misinterpreted" as namespaces. This is intentional, however
 * the CREATE/DROP SQL visitors will just filter this queries and do not
 * execute them. Only the queries for the currently connected database are
 * executed.
 */
class Schema extends AbstractAsset
{
    /**
     * The namespaces in this schema.
     *
     * @var string[]
     */
    private $namespaces = [];

    /** @var Table[] */
    protected $_tables = [];

    /** @var Sequence[] */
    protected $_sequences = [];

    /** @var SchemaConfig */
    protected $_schemaConfig = false;

    /**
     * @param Table[]    $tables
     * @param Sequence[] $sequences
     * @param string[]   $namespaces
     */
    public function __construct(
        array $tables = [],
        array $sequences = [],
        ?SchemaConfig $schemaConfig = null,
        array $namespaces = []
    ) {
        if ($schemaConfig === null) {
            $schemaConfig = new SchemaConfig();
        }
        $this->_schemaConfig = $schemaConfig;
        $this->_setName($schemaConfig->getName() ?: 'public');

        foreach ($namespaces as $namespace) {
            $this->createNamespace($namespace);
        }

        foreach ($tables as $table) {
            $this->_addTable($table);
        }

        foreach ($sequences as $sequence) {
            $this->_addSequence($sequence);
        }
    }

    /**
     * @return bool
     */
    public function hasExplicitForeignKeyIndexes()
    {
        return $this->_schemaConfig->hasExplicitForeignKeyIndexes();
    }

    /**
     * @return void
     *
     * @throws SchemaException
     */
    protected function _addTable(Table $table)
    {
        $namespaceName = $table->getNamespaceName();
        $tableName     = $table->getFullQualifiedName($this->getName());

        if (isset($this->_tables[$tableName])) {
            throw SchemaException::tableAlreadyExists($tableName);
        }

        if ($namespaceName !== null
            && ! $table->isInDefaultNamespace($this->getName())
            && ! $this->hasNamespace($namespaceName)) {
            $this->createNamespace($namespaceName);
        }

        $this->_tables[$tableName] = $table;
        $table->setSchemaConfig($this->_schemaConfig);
    }

    /**
     * @return void
     *
     * @throws SchemaException
     */
    protected function _addSequence(Sequence $sequence)
    {
        $namespaceName = $sequence->getNamespaceName();
        $seqName       = $sequence->getFullQualifiedName($this->getName());

        if (isset($this->_sequences[$seqName])) {
            throw SchemaException::sequenceAlreadyExists($seqName);
        }

        if ($namespaceName !== null
            && ! $sequence->isInDefaultNamespace($this->getName())
            && ! $this->hasNamespace($namespaceName)) {
            $this->createNamespace($namespaceName);
        }

        $this->_sequences[$seqName] = $sequence;
    }

    /**
     * Returns the namespaces of this schema.
     *
     * @return string[] A list of namespace names.
     */
    public function getNamespaces()
    {
        return $this->namespaces;
    }

    /**
     * Gets all tables of this schema.
     *
     * @return Table[]
     */
    public function getTables()
    {
        return $this->_tables;
    }

    /**
     * @param string $tableName
     *
     * @return Table
     *
     * @throws SchemaException
     */
    public function getTable($tableName)
    {
        $tableName = $this->getFullQualifiedAssetName($tableName);
        if (! isset($this->_tables[$tableName])) {
            throw SchemaException::tableDoesNotExist($tableName);
        }

        return $this->_tables[$tableName];
    }

    /**
     * @param string $name
     *
     * @return string
     */
    private function getFullQualifiedAssetName($name)
    {
        $name = $this->getUnquotedAssetName($name);

        if (strpos($name, '.') === false) {
            $name = $this->getName() . '.' . $name;
        }

        return strtolower($name);
    }

    /**
     * Returns the unquoted representation of a given asset name.
     *
     * @param string $assetName Quoted or unquoted representation of an asset name.
     *
     * @return string
     */
    private function getUnquotedAssetName($assetName)
    {
        if ($this->isIdentifierQuoted($assetName)) {
            return $this->trimQuotes($assetName);
        }

        return $assetName;
    }

    /**
     * Does this schema have a namespace with the given name?
     *
     * @param string $namespaceName
     *
     * @return bool
     */
    public function hasNamespace($namespaceName)
    {
        $namespaceName = strtolower($this->getUnquotedAssetName($namespaceName));

        return isset($this->namespaces[$namespaceName]);
    }

    /**
     * Does this schema have a table with the given name?
     *
     * @param string $tableName
     *
     * @return bool
     */
    public function hasTable($tableName)
    {
        $tableName = $this->getFullQualifiedAssetName($tableName);

        return isset($this->_tables[$tableName]);
    }

    /**
     * Gets all table names, prefixed with a schema name, even the default one if present.
     *
     * @return string[]
     */
    public function getTableNames()
    {
        return array_keys($this->_tables);
    }

    /**
     * @param string $sequenceName
     *
     * @return bool
     */
    public function hasSequence($sequenceName)
    {
        $sequenceName = $this->getFullQualifiedAssetName($sequenceName);

        return isset($this->_sequences[$sequenceName]);
    }

    /**
     * @param string $sequenceName
     *
     * @return Sequence
     *
     * @throws SchemaException
     */
    public function getSequence($sequenceName)
    {
        $sequenceName = $this->getFullQualifiedAssetName($sequenceName);
        if (! $this->hasSequence($sequenceName)) {
            throw SchemaException::sequenceDoesNotExist($sequenceName);
        }

        return $this->_sequences[$sequenceName];
    }

    /**
     * @return Sequence[]
     */
    public function getSequences()
    {
        return $this->_sequences;
    }

    /**
     * Creates a new namespace.
     *
     * @param string $namespaceName The name of the namespace to create.
     *
     * @return \Doctrine\DBAL\Schema\Schema This schema instance.
     *
     * @throws SchemaException
     */
    public function createNamespace($namespaceName)
    {
        $unquotedNamespaceName = strtolower($this->getUnquotedAssetName($namespaceName));

        if (isset($this->namespaces[$unquotedNamespaceName])) {
            throw SchemaException::namespaceAlreadyExists($unquotedNamespaceName);
        }

        $this->namespaces[$unquotedNamespaceName] = $namespaceName;

        return $this;
    }

    /**
     * Creates a new table.
     *
     * @param string $tableName
     *
     * @return Table
     */
    public function createTable($tableName)
    {
        $table = new Table($tableName);
        $this->_addTable($table);

        foreach ($this->_schemaConfig->getDefaultTableOptions() as $name => $value) {
            $table->addOption($name, $value);
        }

        return $table;
    }

    /**
     * Renames a table.
     *
     * @param string $oldTableName
     * @param string $newTableName
     *
     * @return \Doctrine\DBAL\Schema\Schema
     */
    public function renameTable($oldTableName, $newTableName)
    {
        $table = $this->getTable($oldTableName);
        $table->_setName($newTableName);


        $this->dropTable($oldTableName);
        $this->_addTable($table);

        return $this;
    }

    /**
     * Drops a table from the schema.
     *
     * @param string $tableName
     *
     * @return \Doctrine\DBAL\Schema\Schema
     */
    public function dropTable($tableName)
    {
        $tableName = $this->getFullQualifiedAssetName($tableName);
        $this->getTable($tableName);
        unset($this->_tables[$tableName]);

        return $this;
    }

    /**
     * Creates a new sequence.
     *
     * @param string $sequenceName
     * @param int    $allocationSize
     * @param int    $initialValue
     *
     * @return Sequence
     */
    public function createSequence($sequenceName, $allocationSize = 1, $initialValue = 1)
    {
        $seq = new Sequence($sequenceName, $allocationSize, $initialValue);
        $this->_addSequence($seq);

        return $seq;
    }

    /**
     * @param string $sequenceName
     *
     * @return \Doctrine\DBAL\Schema\Schema
     */
    public function dropSequence($sequenceName)
    {
        $sequenceName = $this->getFullQualifiedAssetName($sequenceName);
        unset($this->_sequences[$sequenceName]);

        return $this;
    }

    /**
     * Returns an array of necessary SQL queries to create the schema on the given platform.
     *
     * @return string[]
     */
    public function toSql(AbstractPlatform $platform)
    {
        $sqlCollector = new CreateSchemaSqlCollector($platform);
        $this->visit($sqlCollector);

        return $sqlCollector->getQueries();
    }

    /**
     * Return an array of necessary SQL queries to drop the schema on the given platform.
     *
     * @return string[]
     */
    public function toDropSql(AbstractPlatform $platform)
    {
        $dropSqlCollector = new DropSchemaSqlCollector($platform);
        $this->visit($dropSqlCollector);

        return $dropSqlCollector->getQueries();
    }

    /**
     * @return string[]
     */
    public function getMigrateToSql(Schema $toSchema, AbstractPlatform $platform)
    {
        $comparator = new Comparator();
        $schemaDiff = $comparator->compare($this, $toSchema);

        return $schemaDiff->toSql($platform);
    }

    /**
     * @return string[]
     */
    public function getMigrateFromSql(Schema $fromSchema, AbstractPlatform $platform)
    {
        $comparator = new Comparator();
        $schemaDiff = $comparator->compare($fromSchema, $this);

        return $schemaDiff->toSql($platform);
    }

    /**
     * @return void
     */
    public function visit(Visitor $visitor)
    {
        $visitor->acceptSchema($this);

        if ($visitor instanceof NamespaceVisitor) {
            foreach ($this->namespaces as $namespace) {
                $visitor->acceptNamespace($namespace);
            }
        }

        foreach ($this->_tables as $table) {
            $table->visit($visitor);
        }

        foreach ($this->_sequences as $sequence) {
            $sequence->visit($visitor);
        }
    }

    /**
     * Cloning a Schema triggers a deep clone of all related assets.
     *
     * @return void
     */
    public function __clone()
    {
        foreach ($this->_tables as $k => $table) {
            $this->_tables[$k] = clone $table;
        }
        foreach ($this->_sequences as $k => $sequence) {
            $this->_sequences[$k] = clone $sequence;
        }
    }
}


1		<?php
2
3		namespace Doctrine\DBAL\Schema;
4
5		use Doctrine\DBAL\Platforms\AbstractPlatform;
6		use Doctrine\DBAL\Schema\Visitor\CreateSchemaSqlCollector;
7		use Doctrine\DBAL\Schema\Visitor\DropSchemaSqlCollector;
8		use Doctrine\DBAL\Schema\Visitor\NamespaceVisitor;
9		use Doctrine\DBAL\Schema\Visitor\Visitor;
10		use function array_keys;
11		use function strpos;
12		use function strtolower;
13
14		/**
15		* Object representation of a database schema.
16		*
17		* Different vendors have very inconsistent naming with regard to the concept
18		* of a "schema". Doctrine understands a schema as the entity that conceptually
19		* wraps a set of database objects such as tables, sequences, indexes and
20		* foreign keys that belong to each other into a namespace. A Doctrine Schema
21		* has nothing to do with the "SCHEMA" defined as in PostgreSQL, it is more
22		* related to the concept of "DATABASE" that exists in MySQL and PostgreSQL.
23		*
24		* Every asset in the doctrine schema has a name. A name consists of either a
25		* namespace.local name pair or just a local unqualified name.
26		*
27		* The abstraction layer that covers a PostgreSQL schema is the namespace of an
28		* database object (asset). A schema can have a name, which will be used as
29		* default namespace for the unqualified database objects that are created in
30		* the schema.
31		*
32		* In the case of MySQL where cross-database queries are allowed this leads to
33		* databases being "misinterpreted" as namespaces. This is intentional, however
34		* the CREATE/DROP SQL visitors will just filter this queries and do not
35		* execute them. Only the queries for the currently connected database are
36		* executed.
37		*/
38		class Schema extends AbstractAsset
39		{
40		/**
41		* The namespaces in this schema.
42		*
43		* @var string[]
44		*/
45		private $namespaces = [];
46
47		/** @var Table[] */
48		protected $_tables = [];
49
50		/** @var Sequence[] */
51		protected $_sequences = [];
52
53		/** @var SchemaConfig */
54		protected $_schemaConfig = false;
55
56		/**
57		* @param Table[] $tables
58		* @param Sequence[] $sequences
59		* @param string[] $namespaces
60		*/
61	1886	public function __construct(
62		array $tables = [],
63		array $sequences = [],
64		?SchemaConfig $schemaConfig = null,
65		array $namespaces = []
66		) {
67	1886	if ($schemaConfig === null) {
68	1865	$schemaConfig = new SchemaConfig();
69		}
70	1886	$this->_schemaConfig = $schemaConfig;
71	1886	$this->_setName($schemaConfig->getName() ?: 'public');
72
73	1886	foreach ($namespaces as $namespace) {
74	567	$this->createNamespace($namespace);
75		}
76
77	1886	foreach ($tables as $table) {
78	1653	$this->_addTable($table);
79		}
80
81	1884	foreach ($sequences as $sequence) {
82	1009	$this->_addSequence($sequence);
83		}
84	1882	}
85
86		/**
87		* @return bool
88		*/
89		public function hasExplicitForeignKeyIndexes()
90		{
91		return $this->_schemaConfig->hasExplicitForeignKeyIndexes();
92		}
93
94		/**
95		* @return void
96		*
97		* @throws SchemaException
98		*/
99	1856	protected function _addTable(Table $table)
100		{
101	1856	$namespaceName = $table->getNamespaceName();
102	1856	$tableName = $table->getFullQualifiedName($this->getName());
103
104	1856	if (isset($this->_tables[$tableName])) {
105	777	throw SchemaException::tableAlreadyExists($tableName);
106		}
107
108	1856	if ($namespaceName !== null
109	1856	&& ! $table->isInDefaultNamespace($this->getName())
110	1856	&& ! $this->hasNamespace($namespaceName)) {
111	1116	$this->createNamespace($namespaceName);
112		}
113
114	1856	$this->_tables[$tableName] = $table;
115	1856	$table->setSchemaConfig($this->_schemaConfig);
116	1856	}
117
118		/**
119		* @return void
120		*
121		* @throws SchemaException
122		*/
123	1403	protected function _addSequence(Sequence $sequence)
124		{
125	1403	$namespaceName = $sequence->getNamespaceName();
126	1403	$seqName = $sequence->getFullQualifiedName($this->getName());
127
128	1403	if (isset($this->_sequences[$seqName])) {
129	552	throw SchemaException::sequenceAlreadyExists($seqName);
130		}
131
132	1403	if ($namespaceName !== null
133	1403	&& ! $sequence->isInDefaultNamespace($this->getName())
134	1403	&& ! $this->hasNamespace($namespaceName)) {
135	352	$this->createNamespace($namespaceName);
136		}
137
138	1403	$this->_sequences[$seqName] = $sequence;
139	1403	}
140
141		/**
142		* Returns the namespaces of this schema.
143		*
144		* @return string[] A list of namespace names.
145		*/
146	1638	public function getNamespaces()
147		{
148	1638	return $this->namespaces;
149		}
150
151		/**
152		* Gets all tables of this schema.
153		*
154		* @return Table[]
155		*/
156	1644	public function getTables()
157		{
158	1644	return $this->_tables;
159		}
160
161		/**
162		* @param string $tableName
163		*
164		* @return Table
165		*
166		* @throws SchemaException
167		*/
168	1650	public function getTable($tableName)
169		{
170	1650	$tableName = $this->getFullQualifiedAssetName($tableName);
171	1650	if (! isset($this->_tables[$tableName])) {
172	802	throw SchemaException::tableDoesNotExist($tableName);
173		}
174
175	1648	return $this->_tables[$tableName];
176		}
177
178		/**
179		* @param string $name
180		*
181		* @return string
182		*/
183	1707	private function getFullQualifiedAssetName($name)
184		{
185	1707	$name = $this->getUnquotedAssetName($name);
186
187	1707	if (strpos($name, '.') === false) {
188	1699	$name = $this->getName() . '.' . $name;
189		}
190
191	1707	return strtolower($name);
192		}
193
194		/**
195		* Returns the unquoted representation of a given asset name.
196		*
197		* @param string $assetName Quoted or unquoted representation of an asset name.
198		*
199		* @return string
200		*/
201	1717	private function getUnquotedAssetName($assetName)
202		{
203	1717	if ($this->isIdentifierQuoted($assetName)) {
204	479	return $this->trimQuotes($assetName);
205		}
206
207	1715	return $assetName;
208		}
209
210		/**
211		* Does this schema have a namespace with the given name?
212		*
213		* @param string $namespaceName
214		*
215		* @return bool
216		*/
217	1253	public function hasNamespace($namespaceName)
218		{
219	1253	$namespaceName = strtolower($this->getUnquotedAssetName($namespaceName));
220
221	1253	return isset($this->namespaces[$namespaceName]);
222		}
223
224		/**
225		* Does this schema have a table with the given name?
226		*
227		* @param string $tableName
228		*
229		* @return bool
230		*/
231	1679	public function hasTable($tableName)
232		{
233	1679	$tableName = $this->getFullQualifiedAssetName($tableName);
234
235	1679	return isset($this->_tables[$tableName]);
236		}
237
238		/**
239		* Gets all table names, prefixed with a schema name, even the default one if present.
240		*
241		* @return string[]
242		*/
243		public function getTableNames()
244		{
245		return array_keys($this->_tables);
246		}
247
248		/**
249		* @param string $sequenceName
250		*
251		* @return bool
252		*/
253	1276	public function hasSequence($sequenceName)
254		{
255	1276	$sequenceName = $this->getFullQualifiedAssetName($sequenceName);
256
257	1276	return isset($this->_sequences[$sequenceName]);
258		}
259
260		/**
261		* @param string $sequenceName
262		*
263		* @return Sequence
264		*
265		* @throws SchemaException
266		*/
267	1193	public function getSequence($sequenceName)
268		{
269	1193	$sequenceName = $this->getFullQualifiedAssetName($sequenceName);
270	1193	if (! $this->hasSequence($sequenceName)) {
271	627	throw SchemaException::sequenceDoesNotExist($sequenceName);
272		}
273
274	1191	return $this->_sequences[$sequenceName];
275		}
276
277		/**
278		* @return Sequence[]
279		*/
280	1642	public function getSequences()
281		{
282	1642	return $this->_sequences;
283		}
284
285		/**
286		* Creates a new namespace.
287		*
288		* @param string $namespaceName The name of the namespace to create.
289		*
290		* @return \Doctrine\DBAL\Schema\Schema This schema instance.
291		*
292		* @throws SchemaException
293		*/
294	1293	public function createNamespace($namespaceName)
295		{
296	1293	$unquotedNamespaceName = strtolower($this->getUnquotedAssetName($namespaceName));
297
298	1293	if (isset($this->namespaces[$unquotedNamespaceName])) {
299	402	throw SchemaException::namespaceAlreadyExists($unquotedNamespaceName);
300		}
301
302	1293	$this->namespaces[$unquotedNamespaceName] = $namespaceName;
303
304	1293	return $this;
305		}
306
307		/**
308		* Creates a new table.
309		*
310		* @param string $tableName
311		*
312		* @return Table
313		*/
314	1819	public function createTable($tableName)
315		{
316	1819	$table = new Table($tableName);
317	1819	$this->_addTable($table);
318
319	1819	foreach ($this->_schemaConfig->getDefaultTableOptions() as $name => $value) {
320		$table->addOption($name, $value);
321		}
322
323	1819	return $table;
324		}
325
326		/**
327		* Renames a table.
328		*
329		* @param string $oldTableName
330		* @param string $newTableName
331		*
332		* @return \Doctrine\DBAL\Schema\Schema
333		*/
334	752	public function renameTable($oldTableName, $newTableName)
335		{
336	752	$table = $this->getTable($oldTableName);
337	752	$table->_setName($newTableName);
		0 ignored issues – show Bug introduced 2017-06-29 19:35 UTC by Report Bug Copy Issue Report The method `_setName()` cannot be called from this context as it is declared protected in class `Doctrine\DBAL\Schema\AbstractAsset`. This check looks for access to methods that are not accessible from the current context. If you need to make a method accessible to another context you can raise its visibility level in the defining class. Loading history...
338
339	752	$this->dropTable($oldTableName);
340	752	$this->_addTable($table);
341
342	752	return $this;
343		}
344
345		/**
346		* Drops a table from the schema.
347		*
348		* @param string $tableName
349		*
350		* @return \Doctrine\DBAL\Schema\Schema
351		*/
352	760	public function dropTable($tableName)
353		{
354	760	$tableName = $this->getFullQualifiedAssetName($tableName);
355	760	$this->getTable($tableName);
356	760	unset($this->_tables[$tableName]);
357
358	760	return $this;
359		}
360
361		/**
362		* Creates a new sequence.
363		*
364		* @param string $sequenceName
365		* @param int $allocationSize
366		* @param int $initialValue
367		*
368		* @return Sequence
369		*/
370	1276	public function createSequence($sequenceName, $allocationSize = 1, $initialValue = 1)
371		{
372	1276	$seq = new Sequence($sequenceName, $allocationSize, $initialValue);
373	1276	$this->_addSequence($seq);
374
375	1276	return $seq;
376		}
377
378		/**
379		* @param string $sequenceName
380		*
381		* @return \Doctrine\DBAL\Schema\Schema
382		*/
383	577	public function dropSequence($sequenceName)
384		{
385	577	$sequenceName = $this->getFullQualifiedAssetName($sequenceName);
386	577	unset($this->_sequences[$sequenceName]);
387
388	577	return $this;
389		}
390
391		/**
392		* Returns an array of necessary SQL queries to create the schema on the given platform.
393		*
394		* @return string[]
395		*/
396	1773	public function toSql(AbstractPlatform $platform)
397		{
398	1773	$sqlCollector = new CreateSchemaSqlCollector($platform);
399	1773	$this->visit($sqlCollector);
400
401	1773	return $sqlCollector->getQueries();
402		}
403
404		/**
405		* Return an array of necessary SQL queries to drop the schema on the given platform.
406		*
407		* @return string[]
408		*/
409	137	public function toDropSql(AbstractPlatform $platform)
410		{
411	137	$dropSqlCollector = new DropSchemaSqlCollector($platform);
412	137	$this->visit($dropSqlCollector);
413
414	137	return $dropSqlCollector->getQueries();
415		}
416
417		/**
418		* @return string[]
419		*/
420	896	public function getMigrateToSql(Schema $toSchema, AbstractPlatform $platform)
421		{
422	896	$comparator = new Comparator();
423	896	$schemaDiff = $comparator->compare($this, $toSchema);
424
425	896	return $schemaDiff->toSql($platform);
426		}
427
428		/**
429		* @return string[]
430		*/
431		public function getMigrateFromSql(Schema $fromSchema, AbstractPlatform $platform)
432		{
433		$comparator = new Comparator();
434		$schemaDiff = $comparator->compare($fromSchema, $this);
435
436		return $schemaDiff->toSql($platform);
437		}
438
439		/**
440		* @return void
441		*/
442	1786	public function visit(Visitor $visitor)
443		{
444	1786	$visitor->acceptSchema($this);
445
446	1786	if ($visitor instanceof NamespaceVisitor) {
447	1780	foreach ($this->namespaces as $namespace) {
448	308	$visitor->acceptNamespace($namespace);
449		}
450		}
451
452	1786	foreach ($this->_tables as $table) {
453	1785	$table->visit($visitor);
454		}
455
456	1786	foreach ($this->_sequences as $sequence) {
457	333	$sequence->visit($visitor);
458		}
459	1786	}
460
461		/**
462		* Cloning a Schema triggers a deep clone of all related assets.
463		*
464		* @return void
465		*/
466	1434	public function __clone()
467		{
468	1434	foreach ($this->_tables as $k => $table) {
469	1146	$this->_tables[$k] = clone $table;
470		}
471	1434	foreach ($this->_sequences as $k => $sequence) {
472	1154	$this->_sequences[$k] = clone $sequence;
473		}
474	1434	}
475		}
476

doctrine / dbal

Pull Request — master (#3610)

Schema::dropSequence() A

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