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From "Michael McCandless (JIRA)" <>
Subject [jira] [Created] (LUCENE-4968) Several ToParentBlockJoinQuery/Collector issues
Date Mon, 29 Apr 2013 22:44:15 GMT
Michael McCandless created LUCENE-4968:

             Summary: Several ToParentBlockJoinQuery/Collector issues
                 Key: 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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