From ac3b9bd93ec820da2a51317678e7d9c08d6f415d Mon Sep 17 00:00:00 2001
From: Jens Frank <jeluf@users.mediawiki.org>
Date: Sat, 21 May 2005 10:15:39 +0000
Subject: [PATCH] Class for storing objects in an external DB cluster

---
 includes/ExternalStoreDB.php | 37 ++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 includes/ExternalStoreDB.php

diff --git a/includes/ExternalStoreDB.php b/includes/ExternalStoreDB.php
new file mode 100644
index 0000000000..de4d3ccebf
--- /dev/null
+++ b/includes/ExternalStoreDB.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * 
+ * @package MediaWiki
+ *
+ * DB accessable external objects
+ *
+ */
+require_once( 'LoadBalancer.php' ); 
+
+
+
+class ExternalStoreDB {
+	/* Fetch data from given URL */
+	function fetchFromURL($url) {
+		global $wgExternalServers;
+		#
+		# URLs have the form db://cluster/id, e.g.
+		# mysql://cluster1/3298247
+		#
+		$path = explode( '/', $url );
+		$cluster  = $path[2];
+		$id	  = $path[3];
+
+		$lb = LoadBalancer::NewFromParams( $wgExternalServers[$cluster] );
+		$db = $lb->getConnection( DB_SLAVE );
+
+		$ret = $db->selectField( 'text', 'text_text', array( 'text_id' => $id ) ); 
+		
+		return $ret;
+	}
+
+	/* XXX: may require other methods, for store, delete, 
+	 * whatever, for initial ext storage  
+	 */
+}
+?>
-- 
2.20.1