David Smiley created LUCENE-9689:
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Summary: Remove PrefixTreeStrategy.makeDistanceValueSource support
Key: LUCENE-9689
URL: https://issues.apache.org/jira/browse/LUCENE-9689
Project: Lucene - Core
Issue Type: Task
Components: modules/spatial-extras
Reporter: David Smiley
PrefixTreeStrategy.makeDistanceValueSource reads all the full length terms and
puts them into memory. And it does this rather crudely; it's not efficient,
unlike much other Lucene code. Furthermore, it can be mis-used when non-point
data is put into the RPT, leading to undefined results. We could add
"isPointsOnly" to make it safe, but I think support for this ought to be
removed; instead users can use LatLonDocValuesField.newDistanceSort for
geospatial data (surface of earth), or PointVectorStrategy for general 2D.
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