"""add bill.import_date field

Revision ID: afbf27e6ef20
Revises: b78f8a8bdb16
Create Date: 2018-02-19 20:29:26.286136

"""

# revision identifiers, used by Alembic.
revision = "afbf27e6ef20"
down_revision = "b78f8a8bdb16"

from alembic import op
import sqlalchemy as sa


def upgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.add_column("bill", sa.Column("creation_date", sa.Date(), nullable=True))
    ### end Alembic commands ###


def downgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.drop_column("bill", "creation_date")
    ### end Alembic commands ###
