David Smiley created LUCENE-7845:
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Summary: spatial RPT optimization when query by point or common
date range
Key: LUCENE-7845
URL: https://issues.apache.org/jira/browse/LUCENE-7845
Project: Lucene - Core
Issue Type: Improvement
Components: modules/spatial-extras
Reporter: David Smiley
Assignee: David Smiley
Fix For: master (7.0)
If the query to an RPT index is a 2D point, or if using
NumerBrangePrefixTreeStrategy / DateRangePrefixTree (Solr DateRangeField) if
the query is a grid cell (a common date range unit like some particular day),
then we can do some optimizations, especially if the data is pointsOnly. If
the data is pointsOnly the strategy can return a TermQuery, if the data isn't
then we can at least tweak the prefixGridScanLevel. This is motivated by two
scenarios:
* indexing polygons and doing lookups by a point (AKA reverse geocoding)
* indexing date instances and doing date range faceting. Solr's code for this
has a fast path for a TermQuery, although more is needed beyond this issue to
get there.
_This development was funded by the Harvard Center for Geographic Analysis as
part of the HHypermap project_
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