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https://issues.apache.org/jira/browse/ACCUMULO-1682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13757725#comment-13757725
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William Slacum commented on ACCUMULO-1682:
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And I completely blanked on being able to just create term sources on the fly
by using a bounded range plus a predicate (in case of something like a regular
expression), but you run the risk of running out of resources by opening too
many readers. That can be side stepped by using a max limit, but then you
wouldn't get completely correct results.
> Iterator and example to support intersection of document-partitioned index
> terms by ranges with lower and upper bounds.
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: ACCUMULO-1682
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1682
> Project: Accumulo
> Issue Type: Improvement
> Reporter: Corey J. Nolet
> Priority: Minor
> Labels: proposal
>
> The current IntersectingIterator seeks to discrete terms that are encoded
> into the column families to find all column qualifiers that share all of the
> discrete column families of interest (with the additional ability to negate
> some of the column families). Looking at the current IntersectingIterator
> code, it should be possible to return all column qualifiers with a column
> family within a given range.
> An example of this is finding all terms where NAME=Joe and (AGE>=30 &&
> AGE<60) and STATE!=MD. If an example is provided, numerical types like the
> age could easily be encoded using the new Lexicoders.
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