Package org.apache.tajo.datum

Examples of org.apache.tajo.datum.Datum.asInt4()

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    if(datum instanceof NullDatum) return NullDatum.get();

    Datum countDatum = params.get(1);
    if(countDatum instanceof NullDatum) return NullDatum.get();

    return DatumFactory.createText(repeat(datum.asChars(), countDatum.asInt4()));
  }
}
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  public void merge(FunctionContext context, Tuple params) {
    SumContext distinctContext = (SumContext) context;
    Datum value = params.get(0);
    if ((distinctContext.latest == null || (!distinctContext.latest.equals(value)) && !(value instanceof NullDatum))) {
      distinctContext.latest = value;
      distinctContext.sum += value.asInt4();
    }
  }

  @Override
  public Datum getPartialResult(FunctionContext ctx) {
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    Datum valueDatum = params.get(0);
    if(valueDatum instanceof NullDatum) {
      return NullDatum.get();
    }

    return DatumFactory.createInt4(Math.abs(valueDatum.asInt4()));
  }
}
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