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|
<?php
namespace Icinga\Module\Director\Db;
use Exception;
use Icinga\Module\Director\Data\Db\DbConnection;
use RuntimeException;
class Migration
{
/**
* @var string
*/
protected $sql;
/**
* @var int
*/
protected $version;
public function __construct($version, $sql)
{
$this->version = $version;
$this->sql = $sql;
}
/**
* @param DbConnection $connection
* @return $this
*/
public function apply(DbConnection $connection)
{
/** @var \Zend_Db_Adapter_Pdo_Abstract $db */
$db = $connection->getDbAdapter();
// TODO: this is fragile and depends on accordingly written schema files:
$queries = preg_split(
'/[\n\s\t]*\;[\n\s\t]+/s',
$this->sql,
-1,
PREG_SPLIT_NO_EMPTY
);
if (empty($queries)) {
throw new RuntimeException(sprintf(
'Migration %d has no queries',
$this->version
));
}
try {
foreach ($queries as $query) {
if (preg_match('/^(?:OPTIMIZE|EXECUTE) /i', $query)) {
$db->query($query);
} else {
$db->exec($query);
}
}
} catch (Exception $e) {
throw new RuntimeException(sprintf(
'Migration %d failed (%s) while running %s',
$this->version,
$e->getMessage(),
$query
));
}
return $this;
}
}
|
