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"""add pjsip asymmetric rtp codec
Revision ID: 4468b4a91372
Revises: a6ef36f1309
Create Date: 2016-10-25 10:57:20.808815
"""
# revision identifiers, used by Alembic.
revision = '4468b4a91372'
down_revision = 'a6ef36f1309'
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('asymmetric_rtp_codec', yesno_values))
def downgrade():
if op.get_context().bind.dialect.name == 'mssql':
op.drop_constraint('ck_ps_endpoints_asymmetric_rtp_codec_yesno_values','ps_endpoints')
op.drop_column('ps_endpoints', 'asymmetric_rtp_codec')
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