Percolator could use the new *RangeField to index ranges #21040
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adoptme
high hanging fruit
:Search/Percolator
Reverse search: find queries that match a document
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jpountz
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Jul 27, 2017
…ng range queries. Extracts ranges from range queries on byte, short, integer, long, half_float, scaled_float, float, double, date and ip fields. byte, short, integer and date ranges are normalized to Lucene's LongRange. half_float and float are normalized to Lucene's DoubleRange. When extracting range queries, the QueryAnalyzer computes the width of the range. This width is used to determine what range should be preferred in a conjunction query. The QueryAnalyzer prefers the smaller ranges, because these ranges tend to match with less documents. Closes #21040
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Lucene has new range fields that we are exposing in #21002. Maybe the same feature could be used to index numeric ranges in the percolator?
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