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22d887e4ec0a_create_sources_table.py
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22d887e4ec0a_create_sources_table.py
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# Copyright European Organization for Nuclear Research (CERN) since 2012
#
# 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.
''' create sources table '''
import datetime
import sqlalchemy as sa
from alembic import context
from alembic.op import create_check_constraint, create_foreign_key, create_index, create_primary_key, create_table, drop_table
from rucio.db.sqla.types import GUID
# Alembic revision identifiers
revision = '22d887e4ec0a'
down_revision = '1a80adff031a'
def upgrade():
'''
Upgrade the database to this revision
'''
if context.get_context().dialect.name in ['oracle', 'mysql', 'postgresql']:
create_table('sources',
sa.Column('request_id', GUID()),
sa.Column('scope', sa.String(25)),
sa.Column('name', sa.String(255)),
sa.Column('rse_id', GUID()),
sa.Column('dest_rse_id', GUID()),
sa.Column('url', sa.String(2048)),
sa.Column('ranking', sa.Integer),
sa.Column('bytes', sa.BigInteger),
sa.Column('created_at', sa.DateTime, default=datetime.datetime.utcnow),
sa.Column('updated_at', sa.DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow))
create_primary_key('SOURCES_PK', 'sources', ['request_id', 'rse_id', 'scope', 'name'])
create_foreign_key('SOURCES_REQ_ID_FK', 'sources', 'requests', ['request_id'], ['id'])
create_foreign_key('SOURCES_REPLICA_FK', 'sources', 'replicas', ['scope', 'name', 'rse_id'], ['scope', 'name', 'rse_id'])
create_foreign_key('SOURCES_RSES_FK', 'sources', 'rses', ['rse_id'], ['id'])
create_foreign_key('SOURCES_DST_RSES_FK', 'sources', 'rses', ['dest_rse_id'], ['id'])
create_check_constraint('SOURCES_CREATED_NN', 'sources', 'created_at is not null')
create_check_constraint('SOURCES_UPDATED_NN', 'sources', 'updated_at is not null')
create_index('SOURCES_SRC_DST_IDX', 'sources', ['rse_id', 'dest_rse_id'])
def downgrade():
'''
Downgrade the database to the previous revision
'''
if context.get_context().dialect.name in ['oracle', 'mysql', 'postgresql']:
drop_table('sources')