public function getEscapedTypeOrderBy($type)
    {
        return $this->getTypeProperty($type, 'escaped_order_by', function () use ($type) {
            $table_name = $this->getTypeTable($type, true);

            return implode(',', array_map(function ($field_name) use ($table_name) {
                if (substr($field_name, 0, 1) == '!') {
                    return $table_name . '.' . $this->connection->escapeFieldName(substr($field_name, 1)) . ' DESC';
                } else {
                    return $table_name . '.' . $this->connection->escapeFieldName($field_name);
                }
            }, $this->getTypeOrderBy($type)));
        });
    }
public function getEscapedTypeOrderBy($type)
    {
        return $this->getTypeProperty($type, 'escaped_order_by', function () use ($type) {
            $table_name = $this->getTypeTable($type, true);

            return implode(',', array_map(function ($field_name) use ($table_name) {
                if (substr($field_name, 0, 1) == '!') {
                    return $table_name . '.' . $this->connection->escapeFieldName(substr($field_name, 1)) . ' DESC';
                } else {
                    return $table_name . '.' . $this->connection->escapeFieldName($field_name);
                }
            }, $this->getTypeOrderBy($type)));
        });
    }
public function getEscapedTypeOrderBy ( $ type ) { return $ this -> getTypeProperty ( $ type , 'escaped_order_by' , function ( ) use ( $ type ) { $ table_name = $ this -> getTypeTable ( $ type , true ) ; return implode ( ',' , array_map ( function ( $ field_name ) use ( $ table_name ) { if ( substr ( $ field_name , 0 , 1 ) == '!' ) { return $ table_name . '.' . $ this -> connection -> escapeFieldName ( substr ( $ field_name , 1 ) ) . ' DESC' ; } else { return $ table_name . '.' . $ this -> connection -> escapeFieldName ( $ field_name ) ; } } , $ this -> getTypeOrderBy ( $ type ) ) ) ; } ) ; }
Return escaped list of fields that we can order by.

@param  string $type
@return string
Return escaped list of fields that we can order by .