"""nullable_apollo_artist_date

Revision ID: 1db5883e5435
Revises: 0dc47a6b9e33
Create Date: 2021-01-15 14:07:35.524743

"""

# revision identifiers, used by Alembic.
revision = '1db5883e5435'
down_revision = '0dc47a6b9e33'
branch_labels = None
depends_on = None

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

def upgrade():
    op.alter_column('spy_apollo_artist', 'most_recent_album_release_date',
               existing_type=sa.DATE(),
               nullable=True)


def downgrade():

    op.alter_column('spy_apollo_artist', 'most_recent_album_release_date',
               existing_type=sa.DATE(),
               nullable=False)