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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2013/04/30 00:44:15 UTC

[jira] [Created] (LUCENE-4968) Several ToParentBlockJoinQuery/Collector issues

Michael McCandless created LUCENE-4968:
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             Summary: Several ToParentBlockJoinQuery/Collector issues
                 Key: LUCENE-4968
                 URL: https://issues.apache.org/jira/browse/LUCENE-4968
             Project: Lucene - Core
          Issue Type: Bug
          Components: modules/join
            Reporter: Michael McCandless
            Assignee: Michael McCandless
             Fix For: 5.0, 4.4


I hit several issues with ToParentBlockJoinQuery/Collector:

  * If a given Query sometimes has no child matches then we could hit
    AIOOBE, but should just get 0 children for that parent

  * TPBJC.getTopGroups incorrectly throws IllegalArgumentException
    when the child query happens to have no matches

  * We have checks that user didn't accidentally pass a child query
    that matches parent docs ... they are only assertions today but I
    think they should be real checks since it's easy to screw up


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