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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: Composite partition key token
Date Thu, 09 Feb 2017 15:49:05 GMT
On Thu, Feb 9, 2017 at 9:26 AM, Michael Burman <miburman@redhat.com> wrote:

> Hi,
>
> How about taking it from the BoundStatement directly?
>
> ByteBuffer routingKey = b.getRoutingKey(ProtocolVersion.NEWEST_SUPPORTED,
> codecRegistry);
> Token token = metadata.newToken(routingKey);
>
> In this case the b is the "BoundStatement". Replace codecRegistry &
> ProtocolVersion with what you have. codecRegistry for example from the
> codecRegistry = session.getCluster().getConfig
> uration().getCodecRegistry();
>
>   - Micke
>
>
> On 02/08/2017 08:58 PM, Branislav Janosik -T (bjanosik - AAP3 INC at
> Cisco) wrote:
>
>>
>> Hi,
>>
>> I would like to ask how to calculate token for composite partition key
>> using java api?
>>
>> For partition key made of one column I use cluster.getMetadata().newToken
>> (newBuffer);
>>
>> But what if my key looks like this PRIMARY KEY
>> ((parentResourceId,timeRT), childName)?
>>
>> I read that “:” is a separator but it doesn’t seem to be the case.
>>
>> How can I create ByteBuffer with multiple values so that the token would
>> be actually correct?
>>
>> Thank you,
>>
>> Branislav
>>
>>
>
This could help:
https://github.com/edwardcapriolo/simple-cassandra-tools/blob/master/src/main/java/io/teknek/cassandra/simple/CompositeTool.java

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