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"""add ps_endpoints.notify_early_inuse_ringing
Revision ID: d7983954dd96
Revises: 86bb1efa278d
Create Date: 2017-06-05 15:44:41.152280
"""
# revision identifiers, used by Alembic.
revision = 'd7983954dd96'
down_revision = '86bb1efa278d'
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_endpoints', sa.Column('notify_early_inuse_ringing', yesno_values))
def downgrade():
if op.get_context().bind.dialect.name == 'mssql':
op.drop_constraint('ck_ps_endpoints_notify_early_inuse_ringing_yesno_values', 'ps_endpoints')
op.drop_column('ps_endpoints', 'notify_early_inuse_ringing')
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