deep paging with Sort
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Key: LUCENE-3514
URL: https://issues.apache.org/jira/browse/LUCENE-3514
Project: Lucene - Java
Issue Type: Improvement
Affects Versions: 3.4, 4.0
Reporter: Robert Muir
We added IS.searchAfter(Query, Filter) but we don't support Sort yet with this
API.
I think it might be overkill at least at first to try to implement 12 collector
variants for this.
I put the following idea on SOLR-1726:
One idea would be to start with one or two implementations (maybe in/out of
order) for the sorting case, and dont overspecialize it yet.
* for page 1, the ScoreDoc (FieldDoc really) will be null, so we just return
the normal impl anyway.
* even if our searchAfter isnt huper-duper fast, the user can always make the
tradeoff like with page-by-score. they can always just pass null until like
page 10 or something if they compute that it only starts to 'help' then.
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