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- """symmetric_transport
- Revision ID: f638dbe2eb23
- Revises: 15db7b91a97a
- Create Date: 2017-03-09 09:38:59.513479
- """
- # revision identifiers, used by Alembic.
- revision = 'f638dbe2eb23'
- down_revision = '15db7b91a97a'
- from alembic import op
- import sqlalchemy as sa
- from sqlalchemy.dialects.postgresql import ENUM
- YESNO_NAME = 'yesno_values'
- YESNO_VALUES = ['yes', 'no']
- def upgrade():
- ############################# Enums ##############################
- # yesno_values have already been created, so use postgres enum object
- # type to get around "already created" issue - works okay with mysql
- yesno_values = ENUM(*YESNO_VALUES, name=YESNO_NAME, create_type=False)
- op.add_column('ps_transports', sa.Column('symmetric_transport', yesno_values))
- op.add_column('ps_subscription_persistence', sa.Column('contact_uri', sa.String(256)))
- def downgrade():
- op.drop_column('ps_subscription_persistence', 'contact_uri')
- if op.get_context().bind.dialect.name == 'mssql':
- op.drop_constraint('ck_ps_transports_symmetric_transport_yesno_values','ps_transports')
- op.drop_column('ps_transports', 'symmetric_transport')
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