NotImplementedError: metaquery not implemented

2014-04-03 15:55:47.269 14720 ERROR wsme.api [-] Server-side error: "metaquery not implemented". Detail:
Traceback (most recent call last):

  File "/usr/lib/python2.6/site-packages/wsmeext/pecan.py", line 72, in callfunction
    result = f(self, *args, **kwargs)

  File "/usr/lib/python2.6/site-packages/ceilometer/api/controllers/v2.py", line 813, in statistics
    for c in computed]

  File "/usr/lib/python2.6/site-packages/ceilometer/storage/impl_sqlalchemy.py", line 561, in get_meter_statistics
    query = self._make_stats_query(sample_filter, groupby)

  File "/usr/lib/python2.6/site-packages/ceilometer/storage/impl_sqlalchemy.py", line 512, in _make_stats_query
    return make_query_from_filter(query, sample_filter)

  File "/usr/lib/python2.6/site-packages/ceilometer/storage/impl_sqlalchemy.py", line 137, in make_query_from_filter
    raise NotImplementedError(_('metaquery not implemented'))

NotImplementedError: metaquery not implemented