In HBase-0.1.x, you cannot get the timestamps. In trunk (0.2.0) you will.

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Jim Kellerman, Senior Engineer; Powerset


> -----Original Message-----
> From: Yair Even-Zohar [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, July 15, 2008 8:05 AM
> To: [email protected]
> Subject: Adding version number and timestamps to Hbase map reduce
>
> I got several questions:
>
>
>
> 1)       Can we retrieve the timestamp for a given version for a data
> point in a column? I see in the documentation that
> HTable.get() may return array of versions but I don't see how
> to get the extract the timestamp for each version.
>
> 2)       Did anyone code a mapReduce job that retrieves older versions
> of the data in the columns? I believe I will have to modify
> TableInputFormat class to do so, but maybe somebody has
> already done so.
>
>
>
> Thanks
>
> -Yair
>
>
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