<p dir="ltr">Yes. A new query parameter is a change in the contract, regardless of where the code change lies.</p>
<p dir="ltr">-Deva<br>
</p>
<div class="gmail_quote">On Jun 12, 2015 6:20 PM, "Chen CH Ji" <<a href="mailto:jichenjc@cn.ibm.com">jichenjc@cn.ibm.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>
<p><font size="2" face="sans-serif">Hi </font><br>
<font size="2" face="sans-serif">             We have [1] in the db layer and it's directly used by API layer , the filters is directly from client's input</font><br>
<font size="2" face="sans-serif">             In this case, when doing [2] or similar changes, do we need to consider microversion usage when we change options? </font><br>
<font size="2" face="sans-serif">             Thanks </font><br>
<br>
<font size="2" face="sans-serif">[1] </font><a href="https://github.com/openstack/nova/blob/master/nova/db/sqlalchemy/api.py#L4440" target="_blank"><font size="2" face="sans-serif">https://github.com/openstack/nova/blob/master/nova/db/sqlalchemy/api.py#L4440</font></a><br>
<font size="2" face="sans-serif">[2] </font><a href="https://review.openstack.org/#/c/144883" target="_blank"><font size="2" face="sans-serif">https://review.openstack.org/#/c/144883</font></a><br>
<br>
<font size="2" face="sans-serif">Best Regards! <br>
<br>
Kevin (Chen) Ji 纪 晨<br>
<br>
Engineer, zVM Development, CSTL<br>
Notes: Chen CH Ji/China/IBM@IBMCN   Internet: <a href="mailto:jichenjc@cn.ibm.com" target="_blank">jichenjc@cn.ibm.com</a><br>
Phone: <a href="tel:%2B86-10-82454158" value="+861082454158" target="_blank">+86-10-82454158</a><br>
Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District, Beijing 100193, PRC </font></p></div><br>__________________________________________________________________________<br>
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