Index: trunk/roundcubemail/SQL/postgres.update.sql
===================================================================
--- trunk/roundcubemail/SQL/postgres.update.sql	(revision 2108)
+++ trunk/roundcubemail/SQL/postgres.update.sql	(revision 2931)
@@ -37,2 +37,6 @@
 ALTER TABLE contacts ALTER del TYPE smallint;
 ALTER TABLE messages ALTER del TYPE smallint;
+
+-- Updates from version 0.3-stable
+
+CREATE INDEX messages_index_idx ON messages (user_id, cache_key, idx);