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Accumulo >> mail # user >> TimeSpan Iterator


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Re: TimeSpan Iterator
On Tue, Aug 28, 2012 at 6:33 AM, John Armstrong <[EMAIL PROTECTED]> wrote:

> On 08/28/2012 09:26 AM, [EMAIL PROTECTED] wrote:
>
>> Does anyone know of a TimeSpan Iterator that will fetch rows based on
>> the accumulo timestamp?
>>
>
> We actually wrote our own TimestampRangeIterator and TimestampSetIterator
> classes.  I don't know if 1.4 has any in the core libraries.  It's not very
> hard though.
>

There's a TimestampFilter in org.apache.accumulo.core.iterators.user in
1.4.  It uses a range of timestamps.  Users should be aware that this is
not an efficient operation, though.

Billie