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