Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 3.1
    • Fix Version/s: 4.0-ALPHA
    • Component/s: core/index
    • Labels:
      None
    • Lucene Fields:
      New

      Description

      Since flexible indexing, terms are now represented as byte[], but for backwards compatibility reasons, they are not sorted as byte[], but instead as if they were char[].

      I think its time to look at sorting terms as byte[]... this would yield the following improvements:

      • terms are more opaque by default, they are byte[] and sort as byte[]. I think this would make lucene friendlier to customizations.
      • numerics and collation are then free to use their own encoding (full byte) rather than avoiding the use of certain bits to remain compatible with char[] sort order.
      • automaton gets simpler because as in LUCENE-2265, it uses byte[] too, and has special hacks because terms are sorted as char[]
      1. LUCENE-2426_automaton.patch
        7 kB
        Robert Muir
      2. LUCENE-2426.patch
        71 kB
        Michael McCandless
      3. LUCENE-2426.patch
        47 kB
        Michael McCandless

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            • Assignee:
              Unassigned
              Reporter:
              Robert Muir
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                Updated:
                Resolved:

                Development