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From "Michael Dagaev" <michael.dag...@gmail.com>
Subject Re: [LIKELY JUNK]Question on update
Date Thu, 06 Nov 2008 07:49:45 GMT
Hi, Hui

     It is Ok if "Person" (in my example) is a class
with "name", "address", and "email" fields.

     However, what if this "Person" is just a map,
where "name", "address", and "email" are keys
I do not know in advance ?

Thank you for your cooperation,
M.

On Tue, Nov 4, 2008 at 8:51 PM, Ding, Hui <hui.ding@sap.com> wrote:
> Why do you need to compare it? Just store a new version for every
> attribute/column that is not null.
>
> -----Original Message-----
> From: Michael Dagaev [mailto:michael.dagaev@gmail.com]
> Sent: Tuesday, November 04, 2008 10:32 AM
> To: hbase-user@hadoop.apache.org
> Subject: [LIKELY JUNK]Question on update
>
> Hi, all
>
>    Let there is a row in People table. The column family Details
> consists of name, address, and email.
> Now I have a Person object which corresponds to this row. This object
> contains name and address
> but email is null.
>
>    In order to update the row with the new data from the Person
> object. I have to read the row, compare it
> with my object and store only the difference. Is it correct?
>
> Thank you for your cooperation,
> M.
>

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