validators = {
'approved': 'BooleanType',
'text': 'UTF8Type',
'favorite_count':'IntegerType',
'retweet_count': 'IntegerType',
'expanded_url': 'UTF8Type',
'tuid': 'LongType',
'screen_name': 'UTF8Type',
'profile_image': 'UTF8Type',
'embedly_data': 'CompositeType',
'created_at': 'UTF8Type',
}
SYSTEM_MANAGER.create_column_family('Narrative','Twitter_search_test',
comparator_type='CompositeType', default_validation_class='UTF8Type',
key_validation_class='UTF8Type', column_validation_classes=validators)
throws:
*InvalidRequestException*: InvalidRequestException(why='Invalid definition
for comparator org.apache.cassandra.db.marshal.CompositeType.
Can you please explain why?
On Wed, Dec 11, 2013 at 12:08 PM, Tyler Hobbs <ty...@datastax.com> wrote:
> What options are available depends on what version of Cassandra you're
> using.
>
> You can specify the row key type with 'key_validation_class'.
>
> For column types, use 'column_validation_classes', which is a dict mapping
> column names to types. For example:
>
> sys.create_column_family('mykeyspace', 'users',
> column_validation_classes={'username': UTF8Type, 'age': IntegerType})
>
>
> On Wed, Dec 11, 2013 at 10:32 AM, Kumar Ranjan <winnerd...@gmail.com>wrote:
>
>> What are the all possible values for cf_kwargs ??
>>
>> SYSTEM_MANAGER.create_column_family('Narrative','Twitter_search_test',
>> comparator_type=UTF8Type, ???? )
>>
>> ???? - Here I want to specify, Column data types and row key type. How
>> can I do that ?
>>
>>
>> On Thu, Aug 15, 2013 at 12:30 PM, Tyler Hobbs <ty...@datastax.com> wrote:
>>
>>> The column_validation_classes arg is just for defining individual column
>>> types. Glad you got it figured out, though.
>>>
>>>
>>> On Thu, Aug 15, 2013 at 11:23 AM, Pinak Pani <
>>> nishant.has.a.quest...@gmail.com> wrote:
>>>
>>>> Thanks for quick reply. Apparantly, I was trying this to get working
>>>>
>>>> cf_kwargs = {'default_validation_class':COUNTER_COLUMN_TYPE}
>>>> sys.create_column_family('my_ks', 'vote_count',
>>>> column_validation_classes=cf_kwargs) #1
>>>>
>>>> But this works:
>>>>
>>>> sys.create_column_family('my_ks', 'vote_count', **cf_kwargs) #2
>>>>
>>>> I thought #1 should work.
>>>>
>>>>
>>>>
>>>> On Thu, Aug 15, 2013 at 9:15 PM, Tyler Hobbs <ty...@datastax.com>wrote:
>>>>
>>>>> The only thing that makes a CF a counter CF is that the default
>>>>> validation class is CounterColumnType, which you can set through
>>>>> SystemManager.create_column_family().
>>>>>
>>>>>
>>>>> On Thu, Aug 15, 2013 at 10:38 AM, Pinak Pani <
>>>>> nishant.has.a.quest...@gmail.com> wrote:
>>>>>
>>>>>> I do not find a way to create a counter column family in Pycassa.
>>>>>> This[1] does not help.
>>>>>>
>>>>>> Appreciate if someone can help me.
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> 1.
>>>>>> http://pycassa.github.io/pycassa/api/pycassa/system_manager.html#pycassa.system_manager.SystemManager.create_column_family
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Tyler Hobbs
>>>>> DataStax <http://datastax.com/>
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Tyler Hobbs
>>> DataStax <http://datastax.com/>
>>>
>>
>>
>
>
> --
> Tyler Hobbs
> DataStax <http://datastax.com/>
>
