Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 4.0-ALPHA
    • Component/s: None
    • Labels:
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    • Lucene Fields:
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      Description

      spinoff from LUCENE-3290, where yonik mentioned:

      Is there currently a way to get the number of documents that have a value in the field?
      Then one could compute the average length of a (sparse) field via sumTotalTermFreq(field)/docsWithField(field)
      docsWithField(field) would be useful in other contexts that want to know how sparse a field is (automatically selecting faceting algorithms, etc).
      

      I think this is a useful stat to add, in case you have sparse fields for heuristics or scoring.

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            • Assignee:
              rcmuir Robert Muir
              Reporter:
              rcmuir Robert Muir
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