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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Timestamp for versioning?
Date Tue, 23 Mar 2010 14:34:54 GMT
No, we're not planning to add support for retrieving old versions.

2010/3/23 Waaij, B.D. (Bram) van der <bram.vanderwaaij@tno.nl>:
> Are there any plans to add versioning in the near future to cassandra?
>
> What is the purpose of the timestamp in the current implementation?
>
> Best regards,
> Bram
>
> ________________________________
> From: 张宇 [mailto:zyxt001@gmail.com]
> Sent: dinsdag 23 maart 2010 14:56
> To: user@cassandra.apache.org
> Cc: Waaij, B.D. (Bram) van der
> Subject: Re: Timestamp for versioning?
>
> HBase supports the version through the timestamp,but Cassandra not.
>
> 2010/3/23 Waaij, B.D. (Bram) van der <bram.vanderwaaij@tno.nl>
>>
>> Hi there,
>>
>> Is there already support for doing something with the timestamp? I would
>> like to use it as a versioning mechanism of the value belonging to a certain
>> key. When i store a column with the same key, different value and different
>> timestamp, would i still be able to retrieve both versions?
>>
>> Looking at the API I can not find such method, but perhaps I am missing
>> something as I am new to cassandra.
>>
>> Best regards,
>> Bram
>>
>> This e-mail and its contents are subject to the DISCLAIMER at
>> http://www.tno.nl/disclaimer/email.html
>
> This e-mail and its contents are subject to the DISCLAIMER at
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>

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