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<?php |
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namespace Doctrine\DBAL\Schema; |
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use Doctrine\DBAL\Schema\Visitor\Visitor; |
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use function count; |
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use function is_numeric; |
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use function sprintf; |
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/** |
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* Sequence structure. |
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* |
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* @link www.doctrine-project.org |
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*/ |
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class Sequence extends AbstractAsset |
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{ |
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/** @var int */ |
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protected $allocationSize = 1; |
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/** @var int */ |
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protected $initialValue = 1; |
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/** @var int|null */ |
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protected $cache = null; |
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/** |
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* @param string $name |
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* @param int $allocationSize |
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* @param int $initialValue |
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* @param int|null $cache |
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*/ |
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public function __construct($name, $allocationSize = 1, $initialValue = 1, $cache = null) |
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{ |
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$this->_setName($name); |
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$this->setAllocationSize($allocationSize); |
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$this->setInitialValue($initialValue); |
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$this->cache = $cache; |
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} |
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/** |
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* @return int |
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*/ |
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public function getAllocationSize() |
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{ |
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return $this->allocationSize; |
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} |
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/** |
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* @return int |
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*/ |
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public function getInitialValue() |
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{ |
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return $this->initialValue; |
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} |
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/** |
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* @return int|null |
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*/ |
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public function getCache() |
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{ |
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return $this->cache; |
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} |
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/** |
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* @param int $allocationSize |
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* |
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* @return \Doctrine\DBAL\Schema\Sequence |
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*/ |
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public function setAllocationSize($allocationSize) |
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{ |
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$this->allocationSize = is_numeric($allocationSize) ? (int) $allocationSize : 1; |
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return $this; |
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} |
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/** |
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* @param int $initialValue |
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* |
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* @return \Doctrine\DBAL\Schema\Sequence |
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*/ |
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public function setInitialValue($initialValue) |
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{ |
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$this->initialValue = is_numeric($initialValue) ? (int) $initialValue : 1; |
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return $this; |
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} |
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/** |
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* @param int $cache |
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* |
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* @return \Doctrine\DBAL\Schema\Sequence |
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*/ |
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public function setCache($cache) |
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{ |
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$this->cache = $cache; |
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return $this; |
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} |
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/** |
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* Checks if this sequence is an autoincrement sequence for a given table. |
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* |
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* This is used inside the comparator to not report sequences as missing, |
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* when the "from" schema implicitly creates the sequences. |
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* |
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* @return bool |
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*/ |
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public function isAutoIncrementsFor(Table $table) |
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{ |
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if (! $table->hasPrimaryKey()) { |
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return false; |
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} |
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$pkColumns = $table->getPrimaryKey()->getColumns(); |
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if (count($pkColumns) !== 1) { |
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return false; |
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} |
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$column = $table->getColumn($pkColumns[0]); |
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if (! $column->getAutoincrement()) { |
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return false; |
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} |
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$sequenceName = $this->getShortestName($table->getNamespaceName()); |
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$tableName = $table->getShortestName($table->getNamespaceName()); |
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$tableSequenceName = sprintf('%s_%s_seq', $tableName, $column->getShortestName($table->getNamespaceName())); |
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return $tableSequenceName === $sequenceName; |
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} |
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/** |
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* @return void |
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*/ |
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public function visit(Visitor $visitor) |
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{ |
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$visitor->acceptSequence($this); |
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} |
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} |
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doctrine /
dbal
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