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  1. Lucene - Core
  2. LUCENE-4514

Make Scorer.freq() well defined: number of matches in doc

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Details

    • Task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 4.1, 6.0
    • core/query/scoring
    • None
    • New

    Description

      Today Scorer.freq() is somewhat useless: because in general it returns the number of matches, but other times it returns a strange floating point value (essentially an intermediate score).

      I think it should just return the number of matches in the document. This makes it well-defined and useful to consumers (e.g. if they are going to iterate over the positions or whatever in the future).

         /** Returns number of matches for the current document.
      -   *  This returns a float (not int) because
      -   *  SloppyPhraseScorer discounts its freq according to how
      -   *  "sloppy" the match was.
          *
          * @lucene.experimental */
      -  public abstract float freq() throws IOException;
      +  public abstract int freq() throws IOException;
      

      Attachments

        1. LUCENE-4514.patch
          29 kB
          Robert Muir

        Activity

          People

            Unassigned Unassigned
            rcmuir Robert Muir
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            Dates

              Created:
              Updated:
              Resolved: