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HBase, mail # user - Is it possible to indicate the column scan order when scanning table?


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Re: Is it possible to indicate the column scan order when scanning table?
Ted Yu 2013-02-07, 17:29
Can you give us the use case where the scanning order is significant ?

Thanks

On Thu, Feb 7, 2013 at 9:23 AM, yonghu <[EMAIL PROTECTED]> wrote:

> Dear all,
>
> I wonder if it is possible to indicate the column scan order when
> scanning table. For example, if I have two column families cf1 and cf2
> and I create a scan object. Is the table scanning order of
> scan.addFamily(cf1) and   scan.addFamily(cf2) is as same as
> scan.addFamily(cf2) and scan.addFamily(cf1)? If it's the same order,
> is it possible to indicate the scanning order of table?
>
> regards!
>
> Yong
>