Package org.apache.tajo.datum

Examples of org.apache.tajo.datum.Datum

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        if (fillBuffer() < 0) {
          return null;
        }
      }

      Datum datum;
      Column col;
      for (i = 0; i < schema.size(); i++) {
        if (!nullFlags.get(i)) {
          col = schema.getColumn(i);
          switch (col.getDataType().getType()) {
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  public String toString() {
    boolean first = true;
    StringBuilder str = new StringBuilder();
    str.append("(");
    Datum d;
    for (int i = 0; i < values.length; i++) {
      d = get(i);
      if (d != null) {
        if (first) {
          first = false;
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     */
    public void append(Tuple tuple) throws IOException {
      int size = schema.size();

      for (int i = 0; i < size; i++) {
        Datum datum = tuple.get(i);
        int length = columnBuffers[i].append(schema.getColumn(i), datum);
        columnBufferSize += length;
        if (isShuffle) {
          // it is to calculate min/max values, and it is only used for the intermediate file.
          stats.analyzeField(i, datum);
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    }


    @Override
    public void addTuple(Tuple tuple) throws IOException {
      Datum datum;
      int rowBytes = 0;

      for (int i = 0; i < columnNum; i++) {
        datum = tuple.get(i);
        rowBytes += serde.serialize(schema.getColumn(i), datum, os, nullChars);
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        if (col.isNulled) {
          tuple.put(i, NullDatum.get());
        } else {
          colAdvanceRow(j, col);

          Datum datum = serde.deserialize(schema.getColumn(i),
              currentValue.loadedColumnsValueBuffer[j].getData(), col.rowReadIndex, col.prvLength, nullChars);
          tuple.put(i, datum);
          col.rowReadIndex += col.prvLength;
        }
      }
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        if (fillBuffer() < 0) {
          return null;
        }
      }

      Datum datum;
      Column col;
      for (i = 0; i < schema.getColumnNum(); i++) {
        if (!nullFlags.get(i)) {
          col = schema.getColumn(i);
          switch (col.getDataType().getType()) {
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    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum datum = params.get(0);
    if(datum instanceof NullDatum) return NullDatum.get();

    String [] split = StringUtils.splitByWholeSeparatorPreserveAllTokens(datum.asChars(), params.get(1).asChars(), -1);
    int idx = params.get(2).asInt4() - 1;
    if (split.length > idx) {
      return DatumFactory.createText(split[idx]);
    } else {
      return NullDatum.get();
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    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum datum = params.get(0);
    if(datum instanceof NullDatum) return NullDatum.get();

    return DatumFactory.createText(datum.asChars().toUpperCase());
  }
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    }
  }

  @Override
  public Datum eval(Tuple params) {
    Datum datum = params.get(0);
    if(datum instanceof NullDatum) return NullDatum.get();

    if (!hasTrimCharacters) {
      return DatumFactory.createText(StringUtils.strip(datum.asChars(), null));
    } else {
      return DatumFactory.createText(StringUtils.strip(datum.asChars(), params.get(1).asChars()));
    }
  }
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    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum datum = params.get(0);
    if(datum instanceof NullDatum) return NullDatum.get();

    return DatumFactory.createText(datum.asChars().toLowerCase());
  }
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Related Classes of org.apache.tajo.datum.Datum

  • org.apache.tajo.client.ResultSetImpl
  • org.apache.tajo.engine.eval.BetweenPredicateEval
  • org.apache.tajo.engine.eval.BetweenPredicateEval$AsymmetricChecker
  • org.apache.tajo.engine.eval.BetweenPredicateEval$ConstantChecker
  • org.apache.tajo.engine.eval.BetweenPredicateEval$SymmetricChecker
  • org.apache.tajo.engine.eval.BinaryEval
  • org.apache.tajo.engine.eval.CastEval
  • org.apache.tajo.engine.eval.InEval
  • org.apache.tajo.engine.eval.IsNullEval
  • org.apache.tajo.engine.eval.NotEval
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