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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-6388) Optimize SpanNearQuery
Date Thu, 02 Apr 2015 06:22:53 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-6388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir updated LUCENE-6388:
--------------------------------
    Attachment: LUCENE-6388.patch

> Optimize SpanNearQuery
> ----------------------
>
>                 Key: LUCENE-6388
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6388
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Robert Muir
>         Attachments: LUCENE-6388.patch
>
>
> After the big spans overhaul in LUCENE-6308, we can speed up SpanNearQuery a little more:
> * SpanNearQuery defaults to collectPayloads=true, but this requires a slower implementation,
for an uncommon case. Use the faster no-payloads impl if the field doesn't actually have any
payloads.
> * Use a simple array of Spans rather than List in NearSpans classes. This is iterated
over often in the logic.



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