[jira] [Resolved] (LUCENE-7099) add newDistanceSort to sandbox LatLonPoint

["Robert Muir (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-7099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir resolved LUCENE-7099.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 6.1
                   master

> add newDistanceSort to sandbox LatLonPoint
> ------------------------------------------
>
>                 Key: LUCENE-7099
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7099
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Robert Muir
>             Fix For: master, 6.1
>
>         Attachments: LUCENE-7099.patch
>
>
> This field does not support sorting by distance, which is a very common use case. 
> We can add {{LatLonPoint.newDistanceSort(field, latitude, longitude)}} which returns a suitable SortField. There are a lot of optimizations esp when e.g. the priority queue gets full to avoid tons of haversin() computations.
> Also, we can make use of the SortedNumeric data to switch newDistanceQuery/newPolygonQuery to the two-phase iterator api, so they aren't doing haversin() calls on bkd leaf nodes. It should look a lot like LUCENE-7019



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