--- a/server/migractions.py Fri Jun 27 12:00:17 2014 +0200
+++ b/server/migractions.py Thu Aug 28 07:49:31 2014 +0200
@@ -1086,6 +1086,9 @@
schema definition file
"""
rschema = self.fs_schema.rschema(rtype)
+ if rschema.rule:
+ raise ExecutionError('Cannot add a relation definition for a '
+ 'computed relation (%s)' % rschema)
if not rtype in self.repo.schema:
self.cmd_add_relation_type(rtype, addrdef=False, commit=True)
if (subjtype, objtype) in self.repo.schema.rschema(rtype).rdefs:
@@ -1113,6 +1116,9 @@
def cmd_drop_relation_definition(self, subjtype, rtype, objtype, commit=True):
"""unregister an existing relation definition"""
rschema = self.repo.schema.rschema(rtype)
+ if rschema.rule:
+ raise ExecutionError('Cannot drop a relation definition for a '
+ 'computed relation (%s)' % rschema)
# unregister the definition from CWAttribute or CWRelation
if rschema.final:
etype = 'CWAttribute'