From b8c756ecdd7cced1db4300935484e8c83701c82e Mon Sep 17 00:00:00 2001 From: WuKong Date: Tue, 30 Jun 2015 18:47:29 +0200 Subject: migrate moon code from github to opnfv Change-Id: Ice53e368fd1114d56a75271aa9f2e598e3eba604 Signed-off-by: WuKong --- .../versions/050_fk_consistent_indexes.py | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 keystone-moon/keystone/common/sql/migrate_repo/versions/050_fk_consistent_indexes.py (limited to 'keystone-moon/keystone/common/sql/migrate_repo/versions/050_fk_consistent_indexes.py') diff --git a/keystone-moon/keystone/common/sql/migrate_repo/versions/050_fk_consistent_indexes.py b/keystone-moon/keystone/common/sql/migrate_repo/versions/050_fk_consistent_indexes.py new file mode 100644 index 00000000..535a0944 --- /dev/null +++ b/keystone-moon/keystone/common/sql/migrate_repo/versions/050_fk_consistent_indexes.py @@ -0,0 +1,49 @@ +# 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): + + if migrate_engine.name == 'mysql': + meta = sa.MetaData(bind=migrate_engine) + endpoint = sa.Table('endpoint', meta, autoload=True) + + # NOTE(i159): MySQL requires indexes on referencing columns, and those + # indexes create automatically. That those indexes will have different + # names, depending on version of MySQL used. We shoud make this naming + # consistent, by reverting index name to a consistent condition. + if any(i for i in endpoint.indexes if + i.columns.keys() == ['service_id'] and i.name != 'service_id'): + # NOTE(i159): by this action will be made re-creation of an index + # with the new name. This can be considered as renaming under the + # MySQL rules. + sa.Index('service_id', endpoint.c.service_id).create() + + user_group_membership = sa.Table('user_group_membership', + meta, autoload=True) + + if any(i for i in user_group_membership.indexes if + i.columns.keys() == ['group_id'] and i.name != 'group_id'): + sa.Index('group_id', user_group_membership.c.group_id).create() + + +def downgrade(migrate_engine): + # NOTE(i159): index exists only in MySQL schemas, and got an inconsistent + # name only when MySQL 5.5 renamed it after re-creation + # (during migrations). So we just fixed inconsistency, there is no + # necessity to revert it. + pass -- cgit 1.2.3-korg