Viewing file:  DropSchemaSqlCollector.php (2.92 KB) -rw-r--r--
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<?php
namespace Doctrine\DBAL\Schema\Visitor;
use Doctrine\DBAL\Platforms\AbstractPlatform;
use Doctrine\DBAL\Schema\ForeignKeyConstraint;
use Doctrine\DBAL\Schema\SchemaException;
use Doctrine\DBAL\Schema\Sequence;
use Doctrine\DBAL\Schema\Table;
use Doctrine\Deprecations\Deprecation;
use SplObjectStorage;
use function assert;
use function strlen;
/**
* Gathers SQL statements that allow to completely drop the current schema.
*
* @deprecated Use {@link DropSchemaObjectsSQLBuilder} instead.
*/
class DropSchemaSqlCollector extends AbstractVisitor
{
private SplObjectStorage $constraints;
private SplObjectStorage $sequences;
private SplObjectStorage $tables;
private AbstractPlatform $platform;
public function __construct(AbstractPlatform $platform)
{
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5416',
'DropSchemaSqlCollector is deprecated. Use DropSchemaObjectsSQLBuilder instead.',
);
$this->platform = $platform;
$this->initializeQueries();
}
/**
* {@inheritDoc}
*/
public function acceptTable(Table $table)
{
$this->tables->attach($table);
}
/**
* {@inheritDoc}
*/
public function acceptForeignKey(Table $localTable, ForeignKeyConstraint $fkConstraint)
{
if (strlen($fkConstraint->getName()) === 0) {
throw SchemaException::namedForeignKeyRequired($localTable, $fkConstraint);
}
$this->constraints->attach($fkConstraint, $localTable);
}
/**
* {@inheritDoc}
*/
public function acceptSequence(Sequence $sequence)
{
$this->sequences->attach($sequence);
}
/** @return void */
public function clearQueries()
{
$this->initializeQueries();
}
/** @return string[] */
public function getQueries()
{
$sql = [];
foreach ($this->constraints as $fkConstraint) {
assert($fkConstraint instanceof ForeignKeyConstraint);
$localTable = $this->constraints[$fkConstraint];
$sql[] = $this->platform->getDropForeignKeySQL(
$fkConstraint->getQuotedName($this->platform),
$localTable->getQuotedName($this->platform),
);
}
foreach ($this->sequences as $sequence) {
assert($sequence instanceof Sequence);
$sql[] = $this->platform->getDropSequenceSQL($sequence->getQuotedName($this->platform));
}
foreach ($this->tables as $table) {
assert($table instanceof Table);
$sql[] = $this->platform->getDropTableSQL($table->getQuotedName($this->platform));
}
return $sql;
}
private function initializeQueries(): void
{
$this->constraints = new SplObjectStorage();
$this->sequences = new SplObjectStorage();
$this->tables = new SplObjectStorage();
}
}
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