Comment 22 for bug 1546396

Reviewed: https://review.openstack.org/282190
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=117fad897d5310d66cc2e690f3cd32e72614d8fd
Submitter: Jenkins
Branch: master

commit 117fad897d5310d66cc2e690f3cd32e72614d8fd
Author: jichenjc <email address hidden>
Date: Fri Feb 26 12:52:07 2016 +0800

    Refactor REGEX filters to eliminate 500 errors

    You can currently create a 500 error on mysql by passing | as the name
    filter because mysql assumes regex values are well crafted by the
    application layer.

    This puts in facilities to provide a safe regex filter per db engine.

    It also refactors some of the inline code from _regex_instance_filter
    into slightly more logical blocks, which will make it a little more
    straight forward about where we need to do something smarter about
    determining the dbtype in a cellsv2 world.

    Change-Id: Ice2e21666905fdb76c001195e8fca21b427ea737
    Closes-Bug: 1546396