/**
* Returns a QueryConditionalProxy instance.
* Allows for conditional statements in a fluid interface.
*
* @param bool $cond ignored
*
* @throws SQL\Exception\QueryBuilderException
*
* @return \SQL\Proxy\QueryConditionalProxy|\SQL\Base\QueryBuilder
*/
public function _elseif($cond)
{
if (!$this->conditionalProxy) {
throw new QueryBuilderException('_elseif() must be called after _if()');
}
return $this->conditionalProxy->_elseif($cond);
}
