PMA\libraries\DisplayResults::_setDisplayPartsForSelect PHP Method

    private function _setDisplayPartsForSelect($displayParts)
    {
        // Other statements (ie "SELECT" ones) -> updates
        // $displayParts['edit_lnk'], $displayParts['del_lnk'] and
        // $displayParts['text_btn'] (keeps other default values)
        $fields_meta = $this->__get('fields_meta');
        $prev_table = '';
        $displayParts['text_btn'] = (string) '1';
        $number_of_columns = $this->__get('fields_cnt');
        for ($i = 0; $i < $number_of_columns; $i++) {
            $is_link = $displayParts['edit_lnk'] != self::NO_EDIT_OR_DELETE || $displayParts['del_lnk'] != self::NO_EDIT_OR_DELETE || $displayParts['sort_lnk'] != '0';
            // Displays edit/delete/sort/insert links?
            if ($is_link && $prev_table != '' && $fields_meta[$i]->table != '' && $fields_meta[$i]->table != $prev_table) {
                // don't display links
                $displayParts['edit_lnk'] = self::NO_EDIT_OR_DELETE;
                $displayParts['del_lnk'] = self::NO_EDIT_OR_DELETE;
                /**
                 * @todo May be problematic with same field names
                 * in two joined table.
                 */
                // $displayParts['sort_lnk'] = (string) '0';
                if ($displayParts['text_btn'] == '1') {
                    break;
                }
            }
            // end if
            // Always display print view link
            $displayParts['pview_lnk'] = (string) '1';
            if ($fields_meta[$i]->table != '') {
                $prev_table = $fields_meta[$i]->table;
            }
        }
        // end for
        if ($prev_table == '') {
            // no table for any of the columns
            // don't display links
            $displayParts['edit_lnk'] = self::NO_EDIT_OR_DELETE;
            $displayParts['del_lnk'] = self::NO_EDIT_OR_DELETE;
        }
        return $displayParts;
    }