Method testRandomJoin

solr/core/src/test/org/apache/solr/TestJoin.java:307–431

()

  }

  @Test
  @SuppressWarnings({"unchecked"})
  public void testRandomJoin() throws Exception {
    int indexIter = 50 * RANDOM_MULTIPLIER;
    int queryIter = 50 * RANDOM_MULTIPLIER;

    // groups of fields that have any chance of matching... used to
    // increase test effectiveness by avoiding 0 resultsets much of the time.
    String[][] compat =
        new String[][] {
          {"small_s", "small2_s", "small2_ss", "small3_ss"},
          {"small_i", "small2_i", "small2_is", "small3_is", "small_i_dv", "small_is_dv"}
        };

    while (--indexIter >= 0) {
      int indexSize = random().nextInt(20 * RANDOM_MULTIPLIER);

      List<FldType> types = new ArrayList<>();
      types.add(new FldType("id", ONE_ONE, new SVal('A', 'Z', 4, 4)));
      types.add(new FldType("score_f", ONE_ONE, new FVal(1, 100))); // field used to score
      types.add(
          new FldType("small_s", ZERO_ONE, new SVal('a', (char) ('c' + indexSize / 3), 1, 1)));
      types.add(
          new FldType("small2_s", ZERO_ONE, new SVal('a', (char) ('c' + indexSize / 3), 1, 1)));
      types.add(
          new FldType("small2_ss", ZERO_TWO, new SVal('a', (char) ('c' + indexSize / 3), 1, 1)));
      types.add(new FldType("small3_ss", new IRange(0, 25), new SVal('A', 'z', 1, 1)));
      types.add(new FldType("small_i", ZERO_ONE, new IRange(0, 5 + indexSize / 3)));
      types.add(new FldType("small2_i", ZERO_ONE, new IRange(0, 5 + indexSize / 3)));
      types.add(new FldType("small2_is", ZERO_TWO, new IRange(0, 5 + indexSize / 3)));
      types.add(new FldType("small3_is", new IRange(0, 25), new IRange(0, 100)));
      types.add(new FldType("small_i_dv", ZERO_ONE, new IRange(0, 5 + indexSize / 3)));
      types.add(new FldType("small_is_dv", ZERO_ONE, new IRange(0, 5 + indexSize / 3)));

      clearIndex();
      @SuppressWarnings({"rawtypes"})
      Map<Comparable, Doc> model = indexDocs(types, null, indexSize);
      @SuppressWarnings({"rawtypes"})
      Map<String, Map<Comparable, Set<Comparable>>> pivots = new HashMap<>();

      for (int qiter = 0; qiter < queryIter; qiter++) {
        String fromField;
        String toField;
        /* disable matching incompatible fields since 7.0... it doesn't work with point fields and doesn't really make sense?
        if (random().nextInt(100) < 5) {
          // pick random fields 5% of the time
          fromField = types.get(random().nextInt(types.size())).fname;
          // pick the same field 50% of the time we pick a random field (since other fields won't match anything)
          toField = (random().nextInt(100) < 50) ? fromField : types.get(random().nextInt(types.size())).fname;
        } else
        */
        {
          // otherwise, pick compatible fields that have a chance of matching indexed tokens
          String[] group = compat[random().nextInt(compat.length)];
          fromField = group[random().nextInt(group.length)];
          toField = group[random().nextInt(group.length)];
        }