migrations/versions/47e818661817_.py
"""empty message
Revision ID: 47e818661817
Revises: 1b34cefe5f92
Create Date: 2016-06-18 16:11:23.196270
"""
# revision identifiers, used by Alembic.
revision = '47e818661817'
down_revision = '1b34cefe5f92'
from alembic import op
import sqlalchemy as sa
import sqlalchemy_utils
def upgrade():
### commands auto generated by Alembic - please adjust! ###
op.add_column('speaker', sa.Column('user_id', sa.Integer(), nullable=True))
op.create_foreign_key(None, 'speaker', 'user', ['user_id'], ['id'])
### end Alembic commands ###
def downgrade():
### commands auto generated by Alembic - please adjust! ###
op.drop_constraint(None, 'speaker', type_='foreignkey')
op.drop_column('speaker', 'user_id')
### end Alembic commands ###