<div>Thanks for your reply.</div><div> There is an error when I run migration cmd:</div><div><br></div><div><div>stack@devstack:~/neutron/neutron/db/migration$ neutron-db-manage revision -m 'desc' --contract</div><div>usage: neutron-db-manage [-h] [--config-dir DIR] [--config-file PATH]</div><div>                         [--core_plugin CORE_PLUGIN] [--nosplit_branches]</div><div>                         [--service SERVICE] [--split_branches]</div><div>                         [--subproject SUBPROJECT] [--version]</div><div>                         [--database-connection DATABASE_CONNECTION]</div><div>                         [--database-engine DATABASE_ENGINE]</div><div>                         {current,history,branches,check_migration,upgrade,downgrade,stamp,revision}</div><div>                         ...</div><div>neutron-db-manage: error: unrecognized arguments: --contract</div></div><div><includetail><div> </div><div> </div><div style="font:Verdana normal 14px;color:#000;"><div style="FONT-SIZE: 12px;FONT-FAMILY: Arial Narrow;padding:2px 0 2px 0;">------------------ Original ------------------</div><div style="FONT-SIZE: 12px;background:#efefef;padding:8px;"><div id="menu_sender"><b>From: </b> "Anna Kamyshnikova"<akamyshnikova@mirantis.com>;</div><div><b>Date: </b> Tue, Nov 3, 2015 07:03 PM</div><div><b>To: </b> "OpenStack Development Mailing List (not for usage questions)"<openstack-dev@lists.openstack.org>; <wbr></div><div></div><div><b>Subject: </b> Re: [openstack-dev] [Neutron][db][migration] Neutron db migrationby python scripts</div></div><div> </div><div dir="ltr">You can create new migration using "neutron-db-manage revision -m 'desc' --expand/--contract" depends in what changes do you want to do in migration expand - add something, contract - delete or modify.<div> More information - <a href="http://docs.openstack.org/developer/neutron/devref/alembic_migrations.html">http://docs.openstack.org/developer/neutron/devref/alembic_migrations.html</a></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Nov 3, 2015 at 1:52 PM, Zhi Chang <span dir="ltr"><<a href="mailto:changzhi@unitedstack.com" target="_blank">changzhi@unitedstack.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>Hi, all</div><div>    Now, I should make some <span style="color:rgb(62,67,73);font-family:Arial,sans-serif;font-size:14.4px;line-height:21.6px">database model definitions</span><span style="line-height:1.5"> if I want to upgrade db. And a database migration script will generated when I run "</span><span style="color:rgb(85,85,85);font-size:1.1em;line-height:1.2em;white-space:pre-wrap">neutron-db-manage revision -m "description of revision" --autogenerate</span><span style="line-height:1.5">". The database will upgraded when run "neutron-db-manage upgrade head". </span></div><div><span style="line-height:1.5">    I want to upgrade db and I plan to write db migration scripts manually instead of change database model definitions. Is there some ways to realize it?</span></div><div><span style="line-height:1.5">    Does anyone have some good ideas?</span></div><div><span style="line-height:1.5"><br></span></div><div><span style="line-height:1.5">Thanks</span></div><span class="HOEnZb"><font color="#888888"><div><span style="line-height:1.5">Zhi Chang</span></div><div><u></u><u></u></div></font></span><br>__________________________________________________________________________<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr">Regards,<div>Ann Kamyshnikova</div><div>Mirantis, Inc</div></div></div>
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