""" Don't use a primary key as the foreign key, things blow up.

Revision ID: 555d3c6c0f9a
Revises: cb645597b71b
Create Date: 2019-12-30 15:58:20.633838

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '555d3c6c0f9a'
down_revision = 'cb645597b71b'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('file_data', sa.Column('file_model_id', sa.Integer(), nullable=True))
    op.drop_constraint(None, 'file_data', type_='foreignkey')
    op.create_foreign_key(None, 'file_data', 'file', ['file_model_id'], ['id'])
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(None, 'file_data', type_='foreignkey')
    op.create_foreign_key(None, 'file_data', 'file', ['id'], ['id'])
    op.drop_column('file_data', 'file_model_id')
    # ### end Alembic commands ###