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<?php
declare(strict_types=1);
namespace SlayerBirden\DataFlow\Writer\Dbal;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\Schema\Index;
class WriterUtility implements WriterUtilityInterface
{
/**
* @var Connection
*/
private $connection;
private $columns = [];
private $keys = [];
public function __construct(Connection $connection)
$this->connection = $connection;
}
public function getColumns(string $table): array
if (!isset($this->columns[$table])) {
$this->columns[$table] = $this->connection->getSchemaManager()->listTableColumns($table);
return $this->columns[$table];
public function getUniqueKeys(string $table): array
if (!isset($this->keys[$table])) {
$allKeys = $this->connection->getSchemaManager()->listTableIndexes($table);
$this->keys[$table] = array_filter($allKeys, function (Index $index) {
return $index->isUnique() || $index->isPrimary();
});
return $this->keys[$table];
SlayerBirden /
dataflow
