"""

Revision ID: 0176_alter_billing_columns
Revises: 0175_drop_job_statistics_table
Create Date: 2018-03-12 16:54:30.663897

"""

import sqlalchemy as sa
from alembic import op

revision = "0176_alter_billing_columns"
down_revision = "0175_drop_job_statistics_table"


def upgrade():
    op.alter_column(
        "dm_datetime", "calendar_week", existing_type=sa.INTEGER(), nullable=False
    )
    op.alter_column("dm_datetime", "day", existing_type=sa.INTEGER(), nullable=False)
    op.alter_column(
        "dm_datetime", "financial_year", existing_type=sa.INTEGER(), nullable=False
    )


def downgrade():
    op.alter_column(
        "dm_datetime", "financial_year", existing_type=sa.INTEGER(), nullable=True
    )
    op.alter_column("dm_datetime", "day", existing_type=sa.INTEGER(), nullable=True)
    op.alter_column(
        "dm_datetime", "calendar_week", existing_type=sa.INTEGER(), nullable=True
    )