/**
* Runs the migration.
*
* @param string $migration_file Migration file.
* @param MigrationContext $context Migration context.
*
* @return void
* @throws \LogicException When an empty migration is discovered.
*/
public function run($migration_file, MigrationContext $context)
{
$sqls = file_get_contents($migration_file);
$sqls = array_filter(preg_split('/;\\s+/', $sqls));
if (!$sqls) {
throw new \LogicException('The "' . basename($migration_file) . '" migration contains no SQL statements.');
}
$db = $context->getDatabase();
foreach ($sqls as $sql) {
$db->perform($sql);
}
}
/**
* Deletes migrations.
*
* @param array $migrations Migrations.
*
* @return void
*/
protected function deleteMigrations(array $migrations)
{
if (!$migrations) {
return;
}
$sql = 'DELETE FROM Migrations
WHERE Name IN (:names)';
$this->_context->getDatabase()->perform($sql, array('names' => $migrations));
}