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[Rodolfo Alonso <2019859@xxxxxxxxxxxxxxxxxx>]

You are right [1], I'll push a patch for Xena.

[1]https://github.com/openstack/neutron/blob/43ee9f3a9474f382fba9db063722d1c0dfee9b48/requirements.txt#L22

** Changed in: neutron
       Status: Invalid => Confirmed

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https://bugs.launchpad.net/bugs/2019859

Title:
  stable/xena regression - NotImplementedError: Operator 'getitem' is
  not supported on this expression

Status in Ubuntu Cloud Archive:
  Invalid
Status in Ubuntu Cloud Archive xena series:
  Fix Committed
Status in neutron:
  Confirmed

Bug description:
  neutron.tests.unit.objects.test_ports.PortBindingDbObjectTestCase.test_get_duplicated_port_bindings fails on stable/xena with:
  NotImplementedError: Operator 'getitem' is not supported on this expression

  The code introduced in commit 2fb9ddb01ed44fae19c0184baa8620e95e51e344
  [1] depends on a sqlalchemy version that is higher than the minimum
  version specified in requirements.txt.

  [1]

  commit 2fb9ddb01ed44fae19c0184baa8620e95e51e344
  Author: Rodolfo Alonso Hernandez <ralonsoh@xxxxxxxxxx>
  Date:   Mon Dec 12 05:10:01 2022 +0100

      Delete the PB level registers when deleting the duplicated PB

      The ``neutron-remove-duplicated-port-bindings`` script removes the
      duplicated port binding registers ("ml2_port_bindings" table) that
      have status=INACTIVE.

      This patch also removes the corresponding port binding levels
      ("ml2_port_binding_levels" table) associated to those inactive port
      bindings.

      Closes-Bug: #2000078

      Change-Id: I12fa0764cd0ff509f1859b61060d64cc5a54a7b9
      (cherry picked from commit 572185e1fd252772d8baaec099bf8bedfc837013)
      (cherry picked from commit 07855a68266484ae187c76708a727b8a4db1e2e2)

  To recreate:

  root@f1:~/neutron# git remote -v
  origin  https://opendev.org/openstack/neutron (fetch)
  origin  https://opendev.org/openstack/neutron (push)

  root@f1:~/neutron# git branch
  * (HEAD detached at 19.7.0)
    master
    stable/xena

  root@f1:~/neutron# lsb_release -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:    Ubuntu 20.04.6 LTS
  Release:        20.04
  Codename:       focal

  root@f1:~/neutron# tox -e py3 --notest
    ...
    py3: OK (22.37 seconds)
    congratulations :) (22.46 seconds)

  root@f1:~/neutron# .tox/py3/bin/pip3 freeze | grep -i -E 'oslo.db|sqlalchemy'
  oslo.db==11.0.0
  SQLAlchemy==1.4.23
  sqlalchemy-migrate==0.13.0

  root@f1:~/neutron# grep -i -E 'oslo.db|sqlalchemy' requirements.txt
  SQLAlchemy>=1.3.23 # MIT
  oslo.db>=4.44.0 # Apache-2.0

  root@f1:~/neutron# .tox/py3/bin/pip3 install oslo.db==4.44.0 SQLAlchemy==1.3.23
  ...
  Successfully installed SQLAlchemy-1.3.23 oslo.db-4.44.0

  root@f1:~/neutron# tox -e py3 -- neutron.tests.unit.objects.test_ports.PortBindingDbObjectTestCase.test_get_duplicated_port_bindings
  ...
  {0} neutron.tests.unit.objects.test_ports.PortBindingDbObjectTestCase.test_get_duplicated_port_bindings [0.367953s] ... FAILED                                                                           [117/27872]

  Captured traceback:
  ~~~~~~~~~~~~~~~~~~~
      Traceback (most recent call last):

        File "/root/neutron/neutron/tests/base.py", line 183, in func
      return f(self, *args, **kwargs)

        File "/root/neutron/neutron/tests/unit/objects/test_ports.py", line 68, in test_get_duplicated_port_bindings
      dup_pb = ports.PortBinding.get_duplicated_port_bindings(self.context)

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 1012, in wrapper
      return fn(*args, **kwargs)

        File "/root/neutron/neutron/objects/ports.py", line 115, in get_duplicated_port_bindings
      sqlalchemy.select(cls.db_model.port_id).

        File "<string>", line 2, in select

        File "<string>", line 2, in __init__

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/util/deprecations.py", line 139, in warned
      return fn(*args, **kwargs)

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/sql/selectable.py", line 3114, in __init__
      for c in columns:

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/sql/operators.py", line 432, in __getitem__
      return self.operate(getitem, index)

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/orm/attributes.py", line 226, in operate
      return op(self.comparator, *other, **kwargs)

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/sql/operators.py", line 432, in __getitem__
      return self.operate(getitem, index)

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/orm/properties.py", line 367, in operate
      return op(self.__clause_element__(), *other, **kwargs)

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/sql/operators.py", line 432, in __getitem__
      return self.operate(getitem, index)

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/sql/elements.py", line 762, in operate
      return op(self.comparator, *other, **kwargs)

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/sql/operators.py", line 432, in __getitem__
      return self.operate(getitem, index)

        File "<string>", line 1, in <lambda>

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/sql/type_api.py", line 67, in operate
      return o[0](self.expr, op, *(other + o[1:]), **kwargs)

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/sql/default_comparator.py", line 237, in _getitem_impl
      _unsupported_impl(expr, op, other, **kw)

        File "/root/neutron/.tox/py3/lib/python3.8/site-packages/sqlalchemy/sql/default_comparator.py", line 241, in _unsupported_impl
      raise NotImplementedError(

      NotImplementedError: Operator 'getitem' is not supported on this
  expression

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