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https://issues.apache.org/jira/browse/LUCENE-6308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14376505#comment-14376505
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Paul Elschot commented on LUCENE-6308:
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Nice to see that Test03Distance.test3Example01 test case again :)
On the performance: I'd expect 10-20% on larger docs, so 5-10% is ok.
Spans.skipTo() did work nicely with filters already it seems.
For two-phase iteration I'd expect a bigger impact on nested SpanNear queries
with a mix of frequent and infrequent terms over the subqueries.
I don't know how wether there are test cases for that.
> SpansEnum, deprecate Spans
> --------------------------
>
> Key: LUCENE-6308
> URL: https://issues.apache.org/jira/browse/LUCENE-6308
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Affects Versions: Trunk
> Reporter: Paul Elschot
> Priority: Minor
> Attachments: LUCENE-6308-changeapi.patch,
> LUCENE-6308-changeapi.patch, LUCENE-6308.patch, LUCENE-6308.patch,
> LUCENE-6308.patch, LUCENE-6308.patch, LUCENE-6308.patch, LUCENE-6308.patch
>
>
> An alternative for Spans that looks more like PositionsEnum and adds two
> phase doc id iteration
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