"""empty message

Revision ID: 0113_job_created_by_nullable
Revises: 0112_add_start_end_dates
Create Date: 2017-07-27 11:12:34.938086

"""

# revision identifiers, used by Alembic.
revision = "0113_job_created_by_nullable"
down_revision = "0112_add_start_end_dates"

import sqlalchemy as sa
from alembic import op
from sqlalchemy.dialects import postgresql


def upgrade():
    op.alter_column("jobs", "created_by_id", nullable=True)


def downgrade():
    # This will error if there are any jobs with no created_by - we'll have to decide how to handle those as and when
    # we downgrade
    op.alter_column("jobs", "created_by_id", nullable=False)