Я пытаюсь использовать cassandrapython cqlengine для доступа к cassandra db, мне удалось отфильтровать, когда столбцы не имеют типа списка.
Я получаю следующее сообщение об ошибке:
d =cClass().filter(lastname='text',age=2,input__contains='a')
Traceback (most recent call last):
File "/usr/local/lib/python3.4/dist-packages/cqlengine-0.21.0-py3.4.egg/cqlengine/operators.py", line 43,
in get_operator KeyError: 'CONTAINS' During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python3.4/dist-packages/cqlengine-0.21.0-py3.4.egg/cqlengine/models.py", line 562, in filter
File "/usr/local/lib/python3.4/dist-packages/cqlengine-0.21.0-py3.4.egg/cqlengine/query.py", line 507, in filter
File "/usr/local/lib/python3.4/dist-packages/cqlengine-0.21.0-py3.4.egg/cqlengine/operators.py", line 45,
in get_operator **cqlengine.operators.QueryOperatorException: contains doesn't map to a QueryOperator**