--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/migration/3.10.4_Any.py	Thu Oct 21 17:57:36 2010 +0200
@@ -0,0 +1,8 @@
+for eschema in schema.entities():
+    if not 'cw_source' in eschema.subjrels:
+        add_relation_def(eschema, 'cw_source', 'CWSource')
+
+sql('INSERT INTO cw_source_relation(eid_from, eid_to) '
+    'SELECT e.eid,s.cw_eid FROM entities as e, cw_CWSource as s '
+    'WHERE s.cw_name=e.type AND NOT EXISTS(SELECT 1 FROM cw_source_relation WHERE eid_from=e.eid AND eid_to=s.cw_eid)')
+commit()