Package org.apache.tajo.storage.CSVFile

Examples of org.apache.tajo.storage.CSVFile.CSVScanner.seek()

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    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);

      offsets = reader.next();
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      offsets = reader.next();
      if (offsets == -1) {
        continue;
      }
      fileScanner.seek(offsets);
      tuple = fileScanner.next();
      assertTrue("[seek check " + (i + 1) + " ]",
          (i + 1) == (tuple.get(0).asInt4()));
      assertTrue("[seek check " + (i + 1) + " ]",
          (i + 1) == (tuple.get(1).asInt8()));
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    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()));
     
      offsets = reader.next();
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      offsets = reader.next();
      if (offsets == -1) {
        continue;
      }
      fileScanner.seek(offsets);
      result = fileScanner.next();
      assertTrue("[seek check " + (i + 2) + " ]" , (i + 2) == (result.get(0).asInt8()));
      assertTrue("[seek check " + (i + 2) + " ]" , (i + 2) == (result.get(1).asFloat8()));
    }
  }
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    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);

      offsets = reader.next();
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      offsets = reader.next();
      if (offsets == -1) {
        continue;
      }
      fileScanner.seek(offsets);
      tuple = fileScanner.next();
      assertTrue("[seek check " + (i + 1) + " ]",
          (i + 1) == (tuple.get(0).asInt4()));
      assertTrue("[seek check " + (i + 1) + " ]",
          (i + 1) == (tuple.get(1).asInt8()));
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    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()));
     
      offsets = reader.next();
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      offsets = reader.next();
      if (offsets == -1) {
        continue;
      }
      fileScanner.seek(offsets);
      result = fileScanner.next();
      assertTrue("[seek check " + (i + 2) + " ]" , (i + 2) == (result.get(0).asInt8()));
      assertTrue("[seek check " + (i + 2) + " ]" , (i + 2) == (result.get(1).asFloat8()));
    }
  }
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