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cassandra db にアクセスするために cassandrapython cqlengine を使用しようとしていますが、列がリスト型ではない場合にフィルタリングできました。

次のエラー メッセージが表示されます。

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**
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1 に答える 1