another DB upgrade to address some long running maintenance queries

Zotlabs/Update/_1205.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Zotlabs\Update;
+
+class _1205 {
+
+	function run() {
+
+		if(ACTIVE_DBTYPE == DBTYPE_MYSQL) {
+			$r = q("ALTER TABLE item 
+				DROP INDEX item_private,
+				ADD INDEX uid_item_private (uid, item_private),
+				ADD INDEX item_wall (item_wall),
+				ADD INDEX item_pending_remove_changed (item_pending_remove, changed)
+			");
+
+			if($r)
+				return UPDATE_SUCCESS;
+			return UPDATE_FAILED;
+		}
+		else {
+			return UPDATE_SUCCESS;
+		}
+
+	}
+
+}