1 files changed, 35 insertions, 0 deletions
diff --git a/keystone-moon/keystone/contrib/federation/migrate_repo/versions/003_mapping_id_nullable_false.py b/keystone-moon/keystone/contrib/federation/migrate_repo/versions/003_mapping_id_nullable_false.py
new file mode 100644
index 00000000..eb8b2378
--- /dev/null
+++ b/keystone-moon/keystone/contrib/federation/migrate_repo/versions/003_mapping_id_nullable_false.py
@@ -0,0 +1,35 @@
+# Copyright 2014 Mirantis.inc
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import sqlalchemy as sa
+
+
+def upgrade(migrate_engine):
+    meta = sa.MetaData(bind=migrate_engine)
+    federation_protocol = sa.Table('federation_protocol', meta, autoload=True)
+    # NOTE(i159): The column is changed to non-nullable. To prevent
+    # database errors when the column will be altered, all the existing
+    # null-records should be filled with not null values.
+    stmt = (federation_protocol.update().
+            where(federation_protocol.c.mapping_id.is_(None)).
+            values(mapping_id=''))
+    migrate_engine.execute(stmt)
+    federation_protocol.c.mapping_id.alter(nullable=False)
+
+
+def downgrade(migrate_engine):
+    meta = sa.MetaData(bind=migrate_engine)
+    federation_protocol = sa.Table('federation_protocol', meta, autoload=True)
+    federation_protocol.c.mapping_id.alter(nullable=True)