889fee1f3c80_add_meta_to_dataset.py 文件源码

def downgrade():
    op.add_column('dataset', sa.Column('organization_id', postgresql.UUID(), autoincrement=False, nullable=True))
    op.execute('''
        UPDATE "dataset" SET
            organization_id = (meta->>'organization_id')::uuid
        WHERE
            meta->>'organization_id' IS NOT NULL
    ''')
    op.drop_column('dataset', 'meta')