# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
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"""empty message

Revision ID: 7dbf98566af7
Revises: 8e80a26a31db
Create Date: 2016-01-17 22:00:23.640788

"""

# revision identifiers, used by Alembic.
revision = "7dbf98566af7"
down_revision = "8e80a26a31db"

import sqlalchemy as sa
from alembic import op


def upgrade():
    op.add_column("slices", sa.Column("description", sa.Text(), nullable=True))


def downgrade():
    op.drop_column("slices", "description")