from alembic import op
import sqlalchemy as sa


revision = "0008"
down_revision = "0007"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.execute("update v3.vsp set rent_end_date = coalesce(closed_at, opened_at) where rent_end_date is not null and opened_at is not null and rent_end_date < opened_at")
    op.execute("alter table v3.vsp add CONSTRAINT chk_rent_date CHECK (((rent_end_date IS NULL) OR (opened_at IS NULL) OR (rent_end_date >= opened_at)))")

def downgrade() -> None:
    pass