public function convertSqlToJob(SQLTokenIterator $tokens)
{
$statement = null;
$tokens->seekTokenNum(SqlToken::T_ROLLBACK());
if ($tokens->getCurrentTokenNumber() === SqlToken::T_ROLLBACK()) {
$statement = new RollbackStatement();
} else {
throw new MalformedSqlException("Tried to parse ROLLBACK statement when token-iterator does not point to T_ROLLBACK!", $tokens);
}
return $statement;
}
