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pma/pmd_relation_upd.php 2.11 KB
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  <?php
  /* vim: set expandtab sw=4 ts=4 sts=4: */
  /**
   *
   * @package PhpMyAdmin-Designer
   */
  
  /**
   *
   */
  require_once './libraries/pmd_common.php';
  extract($_POST, EXTR_SKIP);
  extract($_GET, EXTR_SKIP);
  $die_save_pos = 0;
  require_once 'pmd_save_pos.php';
  list($DB1, $T1) = explode(".", $T1);
  list($DB2, $T2) = explode(".", $T2);
  
  $tables = PMA_DBI_get_tables_full($db, $T1);
  $type_T1 = strtoupper($tables[$T1]['ENGINE']);
  $tables = PMA_DBI_get_tables_full($db, $T2);
  $type_T2 = strtoupper($tables[$T2]['ENGINE']);
  
  $try_to_delete_internal_relation = false;
  
  if (PMA_foreignkey_supported($type_T1) && PMA_foreignkey_supported($type_T2) && $type_T1 == $type_T2) {
      // InnoDB
      $existrel_foreign = PMA_getForeigners($DB2, $T2, '', 'foreign');
  
      if (isset($existrel_foreign[$F2]['constraint'])) {
          $upd_query  = 'ALTER TABLE ' . PMA_backquote($T2)
                    . ' DROP FOREIGN KEY '
                    . PMA_backquote($existrel_foreign[$F2]['constraint']);
          $upd_rs     = PMA_DBI_query($upd_query);
      } else {
          // there can be an internal relation even if InnoDB
          $try_to_delete_internal_relation = true;
      }
  } else {
      $try_to_delete_internal_relation = true;
  }
  if ($try_to_delete_internal_relation) {
      // internal relations
      PMA_query_as_controluser(
          'DELETE FROM '
          . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
          . $cfg['Server']['relation'].' WHERE '
          . 'master_db = \'' . PMA_sqlAddSlashes($DB2) . '\''
          . ' AND master_table = \'' . PMA_sqlAddSlashes($T2) . '\''
          . ' AND master_field = \'' . PMA_sqlAddSlashes($F2) . '\''
          . ' AND foreign_db = \'' . PMA_sqlAddSlashes($DB1) . '\''
          . ' AND foreign_table = \'' . PMA_sqlAddSlashes($T1) . '\''
          . ' AND foreign_field = \'' . PMA_sqlAddSlashes($F1) . '\'',
          false,
          PMA_DBI_QUERY_STORE
      );
  }
  PMD_return_upd(1, __('Relation deleted'));
  
  function PMD_return_upd($b, $ret)
  {
      global $K;
      header("Content-Type: text/xml; charset=utf-8");
      header("Cache-Control: no-cache");
      die('<root act="relation_upd" return="'.$ret.'" b="'.$b.'" K="'.$K.'"></root>');
  }
  ?>