Examples of ToChildBlockJoinQuery

org.apache.lucene.search.join.ToChildBlockJoinQuery
Just like {@link ToParentBlockJoinQuery}, except this query joins in reverse: you provide a Query matching parent documents and it joins down to child documents. @lucene.experimental

Examples of org.apache.lucene.search.join.ToChildBlockJoinQuery

    assertEquals("Lisa", parentDoc.get("name"));


    //System.out.println("TEST: now test up");


    // Now join "up" (map parent hits to child docs) instead...:
    ToChildBlockJoinQuery parentJoinQuery = new ToChildBlockJoinQuery(parentQuery, parentsFilter, random.nextBoolean());
    BooleanQuery fullChildQuery = new BooleanQuery();
    fullChildQuery.add(new BooleanClause(parentJoinQuery, Occur.MUST));
    fullChildQuery.add(new BooleanClause(childQuery, Occur.MUST));
    
    //System.out.println("FULL: " + fullChildQuery);

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Examples of org.apache.lucene.search.join.ToChildBlockJoinQuery

    assertEquals("Frank", r.document(usThen.scoreDocs[0].doc).get("name"));
    
    
    TermQuery us = new TermQuery(new Term("country", "United States"));
    assertEquals("@ US we have java and ruby", 2, 
        s.search(new ToChildBlockJoinQuery(us, 
                          parentsFilter, random.nextBoolean()), 10).totalHits );


    assertEquals("java skills in US", 1, s.search(new ToChildBlockJoinQuery(us, parentsFilter, random.nextBoolean()),
        skill("java"), 10).totalHits );


    BooleanQuery rubyPython = new BooleanQuery();
    rubyPython.add(new TermQuery(new Term("skill", "ruby")), Occur.SHOULD);
    rubyPython.add(new TermQuery(new Term("skill", "python")), Occur.SHOULD);
    assertEquals("ruby skills in US", 1, s.search(new ToChildBlockJoinQuery(us, parentsFilter, random.nextBoolean()),
                                          new QueryWrapperFilter(rubyPython), 10).totalHits );


    s.close();
    r.close();
    dir.close();

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Examples of org.apache.lucene.search.join.ToChildBlockJoinQuery

      if (VERBOSE) {
        System.out.println("\nTEST: top down: parentQuery2=" + parentQuery2);
      }


      // Maps parent query to child docs:
      final ToChildBlockJoinQuery parentJoinQuery2 = new ToChildBlockJoinQuery(parentQuery2, parentsFilter, random.nextBoolean());


      // To run against the block-join index:
      final Query childJoinQuery2;


      // Same query as parentJoinQuery, but to run against

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