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[Clint Byrum <clint@xxxxxxxxxx>]

Public bug reported:

Dec 18 02:51:28 ci-overcloud-controller0-nvacfowhjcy2 keystone:
/opt/stack/venvs/openstack/local/lib/python2.7/site-
packages/sqlalchemy/sql/default_comparator.py:35: SAWarning: The IN-
predicate on "assignment.actor_id" was invoked with an empty sequence.
This results in a contradiction, which nonetheless can be expensive to
evaluate.  Consider alternative strategies for improved performance.


This should be fairly straight forward to address.

** Affects: keystone
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1404354

Title:
  SAWarning using empty IN on assignment.actor_id

Status in OpenStack Identity (Keystone):
  New

Bug description:
  Dec 18 02:51:28 ci-overcloud-controller0-nvacfowhjcy2 keystone:
  /opt/stack/venvs/openstack/local/lib/python2.7/site-
  packages/sqlalchemy/sql/default_comparator.py:35: SAWarning: The IN-
  predicate on "assignment.actor_id" was invoked with an empty sequence.
  This results in a contradiction, which nonetheless can be expensive to
  evaluate.  Consider alternative strategies for improved performance.

  
  This should be fairly straight forward to address.

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