chat expiration (default 2 hours) - but can be set on a per-chatroom basis

install/update.php

@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1094 );
+define( 'UPDATE_VERSION' , 1095 );
 
 /**
  *
@@ -1060,3 +1060,12 @@ function update_r1093() {
 		return UPDATE_SUCCESS;
 	return UPDATE_FAILED;
 }
+
+function update_r1094() {
+	$r = q("ALTER TABLE `chatroom` ADD `cr_expire` INT UNSIGNED NOT NULL DEFAULT '0' AFTER `cr_edited` ,
+ADD INDEX ( `cr_expire` )");
+	if($r)
+		return UPDATE_SUCCESS;
+	return UPDATE_FAILED;
+}
+