storyboard/storyboard/db/migration/alembic_migrations/versions/022_fulltext_indexes.py

79 lines
2.4 KiB
Python

# 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.
#
"""Adding full text indexes
Revision ID: 022
Revises: 021
Create Date: 2014-07-11 14:08:08.129484
"""
# revision identifiers, used by Alembic.
revision = '022'
down_revision = '021'
from alembic import op
from oslo_log import log
LOG = log.getLogger(__name__)
def upgrade(active_plugins=None, options=None):
version_info = op.get_bind().engine.dialect.server_version_info
if version_info[-1] == "MariaDB":
# Removes fake mysql prefix
version_info = version_info[-4:]
if version_info[0] < 5 or version_info[0] == 5 and version_info[1] < 6:
LOG.warning(
"MySQL version is lower than 5.6. Skipping full-text indexes")
return
# Index for projects
op.execute("ALTER TABLE projects "
"ADD FULLTEXT projects_fti (name, description)")
# Index for stories
op.execute("ALTER TABLE stories "
"ADD FULLTEXT stories_fti (title, description)")
# Index for tasks
op.execute("ALTER TABLE tasks ADD FULLTEXT tasks_fti (title)")
# Index for comments
op.execute("ALTER TABLE comments ADD FULLTEXT comments_fti (content)")
# Index for users
op.execute("ALTER TABLE users "
"ADD FULLTEXT users_fti (username, full_name, email)")
def downgrade(active_plugins=None, options=None):
version_info = op.get_bind().engine.dialect.server_version_info
if version_info[-1] == "MariaDB":
# Removes fake mysql prefix
version_info = version_info[-4:]
if version_info[0] < 5 or version_info[0] == 5 and version_info[1] < 6:
LOG.warning(
"MySQL version is lower than 5.6. Skipping full-text indexes")
return
op.drop_index("projects_fti", table_name='projects')
op.drop_index("stories_fti", table_name='stories')
op.drop_index("tasks_fti", table_name='tasks')
op.drop_index("comments_fti", table_name='comments')
op.drop_index("users_fti", table_name='users')