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Diffstat (limited to 'keystone-moon/keystone/common/sql/migrate_repo/versions/067_drop_redundant_mysql_index.py')
| -rw-r--r-- | keystone-moon/keystone/common/sql/migrate_repo/versions/067_drop_redundant_mysql_index.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/keystone-moon/keystone/common/sql/migrate_repo/versions/067_drop_redundant_mysql_index.py b/keystone-moon/keystone/common/sql/migrate_repo/versions/067_drop_redundant_mysql_index.py new file mode 100644 index 00000000..b9df1a55 --- /dev/null +++ b/keystone-moon/keystone/common/sql/migrate_repo/versions/067_drop_redundant_mysql_index.py @@ -0,0 +1,25 @@ +# 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 + + +def upgrade(migrate_engine): + # NOTE(viktors): Migration 062 removed FK from `assignment` table, but + # MySQL silently creates indexes on FK constraints, so we should remove + # this index manually. + if migrate_engine.name == 'mysql': + meta = sqlalchemy.MetaData(bind=migrate_engine) + table = sqlalchemy.Table('assignment', meta, autoload=True) + for index in table.indexes: + if [c.name for c in index.columns] == ['role_id']: + index.drop(migrate_engine) |