Sprig_Core::_unique_field PHP Method

    public function _unique_field(Validate $array, $field)
    {
        if ($array[$field]) {
            $query = DB::select($this->_fields[$this->_primary_key]->column)->from($this->_table)->where($this->_fields[$field]->column, '=', $this->_fields[$field]->_database_wrap($array[$field]))->execute($this->_db);
            if (count($query)) {
                $array->error($field, 'unique');
            }
        }
    }