accumulo-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jared winick <>
Subject Re: Scan and display entire row
Date Thu, 24 May 2012 14:02:03 GMT
The Key (
has methods to get the row, column family, and column qualifier, so that
would give you all the information you see printed in the Accumulo shell.
 Like John says, the Key is not just a row ID. See the "Data Model" section
at  for a
visual representation of a Key in Accumulo.

On Thu, May 24, 2012 at 7:49 AM, John Armstrong <> wrote:

> On 05/24/2012 09:42 AM, Colclough, Christopher M. wrote:
>> I’ve written a scanner to return the map of <Key,Value> pairs, but it
>> returns only the table key:table value. I’d like to have it return the
>> entire row from the table, just like the scan operator does when using
>> the Accumulo shell. What class/method should I use to do this?
> I'm not sure what you mean.  Can you give an example of the behavior
> you're seeing and the behavior you want?
> Accumulo tables are (basically) big sorted maps of (Key, Value) pairs,
> where the Keys have a certain structure and native sort order.  Scanners
> return some collection of such pairs.

View raw message