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From Christopher <ctubb...@apache.org>
Subject Re: Distinguishing between processed and unprocessed data in an Iterator
Date Wed, 01 Oct 2014 01:41:49 GMT
On Tue, Sep 30, 2014 at 9:34 PM, Russ Weeks <rweeks@newbrightidea.com>
wrote:

> > an iterator in the scan scope would be guaranteed to only see
> unprocessed data if the iterator has not been configured for minor
> compaction or major compaction scopes at all
>
> Excellent, thanks Christopher. That simplifies things. One more question:
> I understand that an iterator may be re-seeked at any point in its
> lifetime, which could cause it to see unprocessed data a second time. I
> assume this is true for scan-scope iterators as well?
>
> -Russ
>
>
Yes, it is true for scan scope also. A simple example would be another user
iterator that sits on top of yours that does a Cartesian product of its
data source.

--
Christopher L Tubbs II
http://gravatar.com/ctubbsii

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