"""empty message
Revision ID: 0233_updated_first_class_dates
Revises: 0230_noti_postage_constraint_3
"""
revision = '0233_updated_first_class_dates'
down_revision = '0230_noti_postage_constraint_3'
from datetime import datetime
from alembic import op
from sqlalchemy.sql import text
START_DATE = datetime(2018, 8, 31, 23, 0)
def upgrade():
conn = op.get_bind()
conn.execute(text(
"""UPDATE letter_rates SET start_date = :start_date WHERE post_class = 'first'"""
), start_date=START_DATE)
def downgrade():
'''
This data migration should not be downgraded. Downgrading may cause billing errors
and the /montly-usage endpoint to stop working.
'''
