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) + " ," +(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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    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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    BSTIndexReader reader = bst.getIndexReader(new Path(testDir, "FindOmittedValueInCSV.idx"), 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);
    }
  }
 
  @Test
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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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    fileScanner = new CSVScanner(conf, meta, tablet);
    fileScanner.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);
      fileScanner.seek(offsets);
      tuple = fileScanner.next();
      assertEquals(i,  (tuple.get(1).asInt8()));
      assertEquals(i, (tuple.get(2).asFloat8()) , 0.01);
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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);
      fileScanner.seek(offsets);
      result = fileScanner.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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    fileScanner = new CSVScanner(conf, schema, meta, tablet);
    fileScanner.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);
      fileScanner.seek(offsets);
      tuple = fileScanner.next();
      assertEquals(i,  (tuple.get(1).asInt8()));
      assertEquals(i, (tuple.get(2).asFloat8()) , 0.01);
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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);
      fileScanner.seek(offsets);
      result = fileScanner.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();

    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) + " ," + (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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