15b1430ad6f1_add_moh_passthrough_option_to_pjsip.py

Go to the documentation of this file.

"""add moh passthrough option to pjsip

Revision ID: 15b1430ad6f1
Revises: 371a3bf4143e
Create Date: 2014-11-19 07:44:51.225703

"""

# revision identifiers, used by Alembic.
revision = '15b1430ad6f1'
down_revision = '371a3bf4143e'

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('moh_passthrough', yesno_values))

def downgrade():
 if op.get_context().bind.dialect.name == 'mssql':
 op.drop_constraint('ck_ps_endpoints_moh_passthrough_yesno_values','ps_endpoints')
 with op.batch_alter_table('ps_endpoints') as batch_op:
 batch_op.drop_column('moh_passthrough')