*/ // lem9: we always show the foreign field in the drop-down; if a display // field is defined, we show it besides the foreign field $foreign_link = false; if ($foreigners && isset($foreigners[$field])) { $foreigner = $foreigners[$field]; $foreign_db = $foreigner['foreign_db']; $foreign_table = $foreigner['foreign_table']; $foreign_field = $foreigner['foreign_field']; // Count number of rows in the foreign table. Currently we do // not use a drop-down if more than 200 rows in the foreign table, // for speed reasons and because we need a better interface for this. // // We could also do the SELECT anyway, with a LIMIT, and ensure that // the current value of the field is one of the choices. $the_total = PMA_countRecords($foreign_db, $foreign_table, TRUE); if ((isset($override_total) && $override_total == true) || $the_total < $cfg['ForeignKeyMaxLimit']) { // foreign_display can be FALSE if no display field defined: $foreign_display = PMA_getDisplayField($foreign_db, $foreign_table); $f_query_main = 'SELECT ' . PMA_backquote($foreign_field) . (($foreign_display == FALSE) ? '' : ', ' . PMA_backquote($foreign_display)); $f_query_from = ' FROM ' . PMA_backquote($foreign_db) . '.' . PMA_backquote($foreign_table); $f_query_filter = empty($foreign_filter) ? '' : ' WHERE ' . PMA_backquote($foreign_field) . ' LIKE "%' . PMA_sqlAddslashes($foreign_filter, TRUE) . '%"' . (($foreign_display == FALSE) ? '' : ' OR ' . PMA_backquote($foreign_display) . ' LIKE "%' . PMA_sqlAddslashes($foreign_filter, TRUE) . '%"' ); $f_query_order = ($foreign_display == FALSE) ? '' :' ORDER BY ' . PMA_backquote($foreign_table) . '.' . PMA_backquote($foreign_display); $f_query_limit = isset($foreign_limit) ? $foreign_limit : ''; if (!empty($foreign_filter)) { $res = PMA_DBI_query('SELECT COUNT(*)' . $f_query_from . $f_query_filter); if ($res) { $the_total = PMA_DBI_fetch_value($res); @PMA_DBI_free_result($res); } else { $the_total = 0; } } $disp = PMA_DBI_query($f_query_main . $f_query_from . $f_query_filter . $f_query_order . $f_query_limit); if ($disp) { // garvin: If a resultset has been created, pre-cache it in the $disp_row array // This helps us from not needing to use mysql_data_seek by accessing a pre-cached // PHP array. Usually those resultsets are not that big, so a performance hit should // not be expected. $disp_row = array(); while ($single_disp_row = @PMA_DBI_fetch_assoc($disp)) { $disp_row[] = $single_disp_row; } @PMA_DBI_free_result($disp); } } else { unset($disp_row); $foreign_link = true; } } // end if $foreigners ?>