pmd_relation_upd.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  *
   5  * @package PhpMyAdmin-Designer
   6  */
   7
   8 /**
   9  *
  10  */
  11 require_once './libraries/pmd_common.php';
  12 extract($_POST, EXTR_SKIP);
  13 extract($_GET, EXTR_SKIP);
  14 $die_save_pos = 0;
  15 require_once 'pmd_save_pos.php';
  16 list($DB1, $T1) = explode(".", $T1);
  17 list($DB2, $T2) = explode(".", $T2);
  18
  19 $tables = PMA_DBI_get_tables_full($db, $T1);
  20 $type_T1 = strtoupper($tables[$T1]['ENGINE']);
  21 $tables = PMA_DBI_get_tables_full($db, $T2);
  22 $type_T2 = strtoupper($tables[$T2]['ENGINE']);
  23
  24 $try_to_delete_internal_relation = false;
  25
  26 if (PMA_foreignkey_supported($type_T1) && PMA_foreignkey_supported($type_T2) && $type_T1 == $type_T2) {
  27     // InnoDB
  28     $existrel_foreign = PMA_getForeigners($DB2, $T2, '', 'foreign');
  29
  30     if (isset($existrel_foreign[$F2]['constraint'])) {
  31         $upd_query  = 'ALTER TABLE ' . PMA_backquote($T2)
  32                   . ' DROP FOREIGN KEY '
  33                   . PMA_backquote($existrel_foreign[$F2]['constraint']);
  34         $upd_rs     = PMA_DBI_query($upd_query);
  35     } else {
  36         // there can be an internal relation even if InnoDB
  37         $try_to_delete_internal_relation = true;
  38     }
  39 } else {
  40     $try_to_delete_internal_relation = true;
  41 }
  42 if ($try_to_delete_internal_relation) {
  43     // internal relations
  44     PMA_query_as_controluser(
  45         'DELETE FROM '
  46         . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
  47         . $cfg['Server']['relation'].' WHERE '
  48         . 'master_db = \'' . PMA_sqlAddSlashes($DB2) . '\''
  49         . ' AND master_table = \'' . PMA_sqlAddSlashes($T2) . '\''
  50         . ' AND master_field = \'' . PMA_sqlAddSlashes($F2) . '\''
  51         . ' AND foreign_db = \'' . PMA_sqlAddSlashes($DB1) . '\''
  52         . ' AND foreign_table = \'' . PMA_sqlAddSlashes($T1) . '\''
  53         . ' AND foreign_field = \'' . PMA_sqlAddSlashes($F1) . '\'',
  54         false,
  55         PMA_DBI_QUERY_STORE
  56     );
  57 }
  58 PMD_return_upd(1, __('Relation deleted'));
  59
  60 function PMD_return_upd($b, $ret)
  61 {
  62     global $K;
  63     header("Content-Type: text/xml; charset=utf-8");
  64     header("Cache-Control: no-cache");
  65     die('<root act="relation_upd" return="'.$ret.'" b="'.$b.'" K="'.$K.'"></root>');
  66 }
  67 ?>