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Yes. A new query parameter is a change in the contract, regardless of where
the code change lies.

-Deva
 On Jun 12, 2015 6:20 PM, "Chen CH Ji" <jichenjc at cn.ibm.com> wrote:

> Hi
>              We have [1] in the db layer and it's directly used by API
> layer , the filters is directly from client's input
>              In this case, when doing [2] or similar changes, do we need
> to consider microversion usage when we change options?
>              Thanks
>
> [1]
> https://github.com/openstack/nova/blob/master/nova/db/sqlalchemy/api.py#L4440
> [2] https://review.openstack.org/#/c/144883
>
> Best Regards!
>
> Kevin (Chen) Ji 纪 晨
>
> Engineer, zVM Development, CSTL
> Notes: Chen CH Ji/China/IBM at IBMCN   Internet: jichenjc at cn.ibm.com
> Phone: +86-10-82454158
> Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District,
> Beijing 100193, PRC
>
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