[session] deprecate `hijack_user` method
The semantic of this method is wicked and lead to very hard violation of sanity.
(multiple transaction using the very same cursors). We deprecated the API to be
able to drop it as soon as possible.
The method was added long ago for some notification trick. It is not needed
since we sent notification on ``postcommit_event``.
(closes #2781782)
for eschema in schema.entities():
if not (eschema.final or 'cw_source' in eschema.subjrels):
add_relation_definition(eschema.type, 'cw_source', 'CWSource', ask_confirm=False)
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.source AND NOT EXISTS(SELECT 1 FROM cw_source_relation WHERE eid_from=e.eid AND eid_to=s.cw_eid)')
commit()