813f9a704eb7_stack_request_coltypechange.py 文件源码

def downgrade():
    """Downgrade the database to an older revision."""
    # commands auto generated by Alembic - please adjust! ###
    op.alter_column('stack_analyses_request', 'requestJson',
                    existing_type=sa.String(length=4096),
                    type_=postgresql.JSONB(),
                    existing_nullable=False)
    # end Alembic commands ###