"""add-session_creation_id

Revision ID: 06184d82a211
Revises: 250e8656cf45
Create Date: 2020-12-24 19:58:44.515321

"""

import sqlalchemy as sa
from alembic import op

# revision identifiers, used by Alembic.
revision = "06184d82a211"
down_revision = "250e8656cf45"
branch_labels = None
depends_on = None


def upgrade():
    op.add_column("kernels", sa.Column("session_creation_id", sa.String(length=32), nullable=True))


def downgrade():
    op.drop_column("kernels", "session_creation_id")
