superset/caravel/migrations/versions/1a48a5411020_adding_slug_to_dash.py
2016-03-28 21:53:24 -07:00

27 lines
599 B
Python

"""adding slug to dash
Revision ID: 1a48a5411020
Revises: 289ce07647b
Create Date: 2015-12-04 09:42:16.973264
"""
# revision identifiers, used by Alembic.
revision = '1a48a5411020'
down_revision = '289ce07647b'
from alembic import op
import sqlalchemy as sa
def upgrade():
op.add_column('dashboards', sa.Column('slug', sa.String(length=255), nullable=True))
try:
op.create_unique_constraint('idx_unique_slug', 'dashboards', ['slug'])
except:
pass
def downgrade():
op.drop_constraint(None, 'dashboards', type_='unique')
op.drop_column('dashboards', 'slug')