includes/ExternalStoreDB.php

   1 <?php
   2 /**
   3  *
   4  * @package MediaWiki
   5  *
   6  * DB accessable external objects
   7  *
   8  */
   9 require_once( 'LoadBalancer.php' );
  10
  11
  12
  13 class ExternalStoreDB {
  14         /* Fetch data from given URL */
  15         function fetchFromURL($url) {
  16                 global $wgExternalServers;
  17                 #
  18                 # URLs have the form DB://cluster/id, e.g.
  19                 # DB://cluster1/3298247
  20                 #
  21                 $path = explode( '/', $url );
  22                 $cluster  = $path[2];
  23                 $id       = $path[3];
  24
  25                 $lb = LoadBalancer::NewFromParams( $wgExternalServers[$cluster] );
  26                 $db = $lb->getConnection( DB_SLAVE );
  27
  28                 $ret = $db->selectField( 'text', 'text_text', array( 'text_id' => $id ) );
  29
  30                 return $ret;
  31         }
  32
  33         /* XXX: may require other methods, for store, delete,
  34          * whatever, for initial ext storage
  35          */
  36 }
  37 ?>