Speed improvements in the database

database.sql

@@ -569,6 +569,8 @@ CREATE TABLE IF NOT EXISTS `item` (
   KEY `moderated` (`moderated`),
   KEY `spam` (`spam`),
   KEY `author-name` (`author-name`),
+  KEY `uid_commented` (`uid`, `commented`),
+  KEY `uid_created` (`uid`, `created`),
   FULLTEXT KEY `title` (`title`),
   FULLTEXT KEY `body` (`body`),
   FULLTEXT KEY `allow_cid` (`allow_cid`),

update.php

@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1153 );
+define( 'UPDATE_VERSION' , 1154 );
 
 /**
  *
@@ -1337,3 +1337,9 @@ function update_1152() {
 	return UPDATE_SUCCESS;
 }
 
+function update_1153() {
+	$r = q("CREATE INDEX `uid_commented` ON `item` (`uid`, `commented`);  CREATE INDEX `uid_created` ON `item` (`uid`, `created`)");
+	if(! $r)
+		return UPDATE_FAILED;
+	return UPDATE_SUCCESS;
+}