/**
* @param $field
* @param int $precision
* @param null|string $alias
*
* @return static
*/
public static function create($field, $precision = 2, $alias = null)
{
$expression = parent::createWithAlias($field, $alias);
/**
* @var $expression static
*/
$expression->setPrecision($precision);
return $expression;
}
public static function create($field, $start = 0, $length = null, $alias = null)
{
$expression = parent::createWithAlias($field, $alias);
/**
* @var $expression static
*/
$expression->setStartPosition($start);
if ($length !== null) {
$expression->setLength($length);
}
return $expression;
}
public static function create($field = null)
{
return parent::create($field);
}
