"""sc_tracks_created_at_not null

Revision ID: 9d15a7d63b16
Revises: 386aae373034
Create Date: 2020-12-01 10:31:11.044147

"""

# revision identifiers, used by Alembic.
revision = '9d15a7d63b16'
down_revision = '386aae373034'
branch_labels = None
depends_on = None

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

def upgrade():
    op.alter_column('sc_tracks', 'created_at',
               existing_type=sa.DATE(),
               nullable=False)


def downgrade():
    op.alter_column('sc_tracks', 'created_at',
               existing_type=sa.DATE(),
               nullable=True)