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  1. Lucene - Core
  2. LUCENE-2671

Add sort missing first/last ability to SortField and ValueComparator

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    Details

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

      Description

      When SortField and ValueComparator use EntryCreators (from LUCENE-2649) they use a special sort value when the field is missing.

      This enables lucene to implement 'sort missing last' or 'sort missing first' for numeric values from the FieldCache.

        Attachments

        1. LUCENE-2671.patch
          12 kB
          Yonik Seeley
        2. LUCENE-2671-caches.patch
          9 kB
          Ryan McKinley
        3. LUCENE-2671-caches.patch
          13 kB
          Ryan McKinley
        4. LUCENE-2671-SortMissingLast.patch
          35 kB
          Ryan McKinley
        5. LUCENE-2671-suppress-unchecked.patch
          4 kB
          Ryan McKinley

          Issue Links

          is depended upon by

          Improvement - An improvement or enhancement to an existing feature or task. SOLR-2134 Trie* fields should support sortMissingLast=true, and deprecate Sortable* Field Types

          • Major - Major loss of function.
          • Closed
          is related to

          Improvement - An improvement or enhancement to an existing feature or task. LUCENE-2665 Rework FieldCache to be more flexible/general

          • Major - Major loss of function.
          • Resolved
          relates to

          Bug - A problem which impairs or prevents the functions of the product. LUCENE-3390 Incorrect sort by Numeric values for documents missing the sorting field

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

            Activity

              People

              • Assignee:
                ryantxu Ryan McKinley
                Reporter:
                ryantxu Ryan McKinley
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                Dates

                • Created:
                  Updated:
                  Resolved: