From 2e000f35023dfe096e94e95b0673e209d93acef9 Mon Sep 17 00:00:00 2001 From: Trey Morris Date: Fri, 2 Dec 2011 17:53:34 -0600 Subject: [PATCH] add index to instance_uuid column in instances Change-Id: I4d5313cfbd97eba7bd755567a0bed9b65adb14dc --- .mailmap | 3 +- .../061_add_index_to_instance_uuid.py | 29 +++++++++++++++++++ 2 files changed, 31 insertions(+), 1 deletion(-) create mode 100644 nova/db/sqlalchemy/migrate_repo/versions/061_add_index_to_instance_uuid.py diff --git a/.mailmap b/.mailmap index 98a3f3132103..26d8882b649b 100644 --- a/.mailmap +++ b/.mailmap @@ -40,7 +40,7 @@ - + @@ -48,6 +48,7 @@ + diff --git a/nova/db/sqlalchemy/migrate_repo/versions/061_add_index_to_instance_uuid.py b/nova/db/sqlalchemy/migrate_repo/versions/061_add_index_to_instance_uuid.py new file mode 100644 index 000000000000..0ec06b66d27c --- /dev/null +++ b/nova/db/sqlalchemy/migrate_repo/versions/061_add_index_to_instance_uuid.py @@ -0,0 +1,29 @@ +# Copyright 2011 OpenStack LLC. +# +# 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. + +from sqlalchemy import Index, MetaData, Table + +meta = MetaData() + + +def upgrade(migrate_engine): + meta.bind = migrate_engine + instances = Table('instances', meta, autoload=True) + Index('uuid', instances.c.uuid, unique=True).create(migrate_engine) + + +def downgrade(migrate_engine): + meta.bind = migrate_engine + instances = Table('instances', meta, autoload=True) + Index('uuid', instances.c.uuid, unique=True).drop(migrate_engine)