--- a/pgsql/update_tables_0.5.x-0.6.pgsql	Mon Feb 07 21:50:44 2011 +0000
+++ b/pgsql/update_tables_0.5.x-0.6.pgsql	Tue Feb 08 13:43:35 2011 +0000
@@ -73,7 +73,7 @@
     current     bigint NOT NULL DEFAULT 0,
     CONSTRAINT  pkey_userquota_11 PRIMARY KEY (uid, path),
     CONSTRAINT  fkey_userquota_11_uid_users FOREIGN KEY (uid)
-        REFERENCES users (uid)
+        REFERENCES users (uid) ON DELETE CASCADE
 );
 
 CREATE OR REPLACE FUNCTION merge_userquota_11() RETURNS TRIGGER AS $$