Package org.apache.tajo.storage.index.bst.BSTIndex

Examples of org.apache.tajo.storage.index.bst.BSTIndex.BSTIndexReader.find()

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    scanner.init();

    for (int i = 0; i < TUPLE_NUM - 1; i++) {
      tuple.put(0, DatumFactory.createInt8(i));
      tuple.put(1, DatumFactory.createFloat8(i));
      long offsets = reader.find(tuple);
      scanner.seek(offsets);
      tuple = scanner.next();
      assertTrue("[seek check " + (i) + " ]", (i) == (tuple.get(1).asInt8()));
      assertTrue("[seek check " + (i) + " ]", (i) == (tuple.get(2).asFloat8()));
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        keySchema, comp);
    reader.open();
    for (int i = 1; i < TUPLE_NUM - 1; i += 2) {
      keyTuple.put(0, DatumFactory.createInt8(i));
      keyTuple.put(1, DatumFactory.createFloat8(i));
      long offsets = reader.find(keyTuple);
      assertEquals(-1, offsets);
    }
    reader.close();
  }
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    Tuple result;
    for (int i = 0; i < TUPLE_NUM - 1; i++) {
      keyTuple = new VTuple(2);
      keyTuple.put(0, DatumFactory.createInt4(i));
      keyTuple.put(1, DatumFactory.createInt8(i));
      long offsets = reader.find(keyTuple, true);
      scanner.seek(offsets);
      result = scanner.next();
      assertTrue("[seek check " + (i + 1) + " ]",
          (i + 1) == (result.get(0).asInt4()));
      assertTrue("[seek check " + (i + 1) + " ]", (i + 1) == (result.get(1).asInt8()));
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    Tuple result;
    for (int i = 1; i < TUPLE_NUM - 1; i += 2) {
      keyTuple = new VTuple(2);
      keyTuple.put(0, DatumFactory.createInt4(i));
      keyTuple.put(1, DatumFactory.createInt8(i));
      long offsets = reader.find(keyTuple, true);
      scanner.seek(offsets);
      result = scanner.next();
      assertTrue("[seek check " + (i + 1) + " ]", (i + 1) == (result.get(0).asInt4()));
      assertTrue("[seek check " + (i + 1) + " ]", (i + 1) == (result.get(1).asInt8()));
    }
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    scanner.init();

    tuple.put(0, DatumFactory.createInt8(0));
    tuple.put(1, DatumFactory.createFloat8(0));

    offset = reader.find(tuple);
    assertEquals(-1, offset);

    offset = reader.find(tuple, true);
    assertTrue(offset >= 0);
    scanner.seek(offset);
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    tuple.put(1, DatumFactory.createFloat8(0));

    offset = reader.find(tuple);
    assertEquals(-1, offset);

    offset = reader.find(tuple, true);
    assertTrue(offset >= 0);
    scanner.seek(offset);
    tuple = scanner.next();
    assertEquals(5, tuple.get(1).asInt4());
    assertEquals(5l, tuple.get(2).asInt8());
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    scanner.init();

    for (int i = (TUPLE_NUM - 1); i > 0; i--) {
      tuple.put(0, DatumFactory.createInt8(i));
      tuple.put(1, DatumFactory.createFloat8(i));
      long offsets = reader.find(tuple);
      scanner.seek(offsets);
      tuple = scanner.next();
      assertTrue("seek check [" + (i) + " ," + (tuple.get(1).asInt8()) + "]", (i) == (tuple.get(1).asInt8()));
      assertTrue("seek check [" + (i) + " ," + (tuple.get(2).asFloat8()) + "]", (i) == (tuple.get(2).asFloat8()));
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    Tuple result;
    for (int i = (TUPLE_NUM - 1); i > 0; i--) {
      keyTuple = new VTuple(2);
      keyTuple.put(0, DatumFactory.createInt4(i));
      keyTuple.put(1, DatumFactory.createInt8(i));
      long offsets = reader.find(keyTuple, true);
      scanner.seek(offsets);
      result = scanner.next();
      assertTrue("[seek check " + (i - 1) + " ]",
          (i - 1) == (result.get(0).asInt4()));
      assertTrue("[seek check " + (i - 1) + " ]", (i - 1) == (result.get(1).asInt8()));
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