"""add webrtc option to ps_endpoints Revision ID: 44ccced114ce Revises: 164abbd708c Create Date: 2017-07-10 17:07:25.926150 """ # revision identifiers, used by Alembic. revision = '44ccced114ce' down_revision = '164abbd708c' 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('webrtc', yesno_values)) def downgrade(): op.drop_column('ps_endpoints', 'webrtc')