Package org.apache.tajo.datum

Examples of org.apache.tajo.datum.ProtobufDatum

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  }

  @Override
  public void merge(FunctionContext ctx, Tuple part) {
    AvgContext avgCtx = (AvgContext) ctx;
    ProtobufDatum datum = (ProtobufDatum) part.get(0);
    AvgDoubleProto proto = (AvgDoubleProto) datum.get();
    avgCtx.sum += proto.getSum();
    avgCtx.count += proto.getCount();
  }
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  public Datum getPartialResult(FunctionContext ctx) {
    AvgContext avgCtx = (AvgContext) ctx;
    AvgDoubleProto.Builder builder = AvgDoubleProto.newBuilder();
    builder.setSum(avgCtx.sum);
    builder.setCount(avgCtx.count);
    return new ProtobufDatum(builder.build());
  }
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  }

  @Override
  public void merge(FunctionContext ctx, Tuple part) {
    AvgContext avgCtx = (AvgContext) ctx;
    ProtobufDatum datum = (ProtobufDatum) part.get(0);
    AvgLongProto proto = (AvgLongProto) datum.get();
    avgCtx.sum += proto.getSum();
    avgCtx.count += proto.getCount();
  }
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  public Datum getPartialResult(FunctionContext ctx) {
    AvgContext avgCtx = (AvgContext) ctx;
    AvgLongProto.Builder builder = AvgLongProto.newBuilder();
    builder.setSum(avgCtx.sum);
    builder.setCount(avgCtx.count);
    return new ProtobufDatum(builder.build());
  }
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            }
            case NULL:
              break;
            case PROTOBUF:
              datum = tuple.get(i);
              ProtobufDatum protobufDatum = (ProtobufDatum) datum;
              protobufJsonFormat.print(protobufDatum.get(), outputStream);
              break;
            default:
              outputStream.write(lTuple.getTextBytes(i)); //better usage for insertion to table of lazy tuple
              break;
          }

          if(colNum - 1 > i){
            outputStream.write((byte) delimiter);
          }

          if (enabledStats) {
            datum = tuple.get(i);
            stats.analyzeField(i, datum);
          }
        }
      } else {
        for (int i = 0; i < schema.getColumnNum(); i++) {
          datum = tuple.get(i);
          if (enabledStats) {
            stats.analyzeField(i, datum);
          }
          if (datum instanceof NullDatum) {
            outputStream.write(nullChars);
          } else {
            col = schema.getColumn(i);
            switch (col.getDataType().getType()) {
              case BOOLEAN:
                outputStream.write(tuple.getBoolean(i).asBool() ? trueBytes : falseBytes);   //Compatibility with Apache Hive
                break;
              case BIT:
                outputStream.write(tuple.getByte(i).asTextBytes());
                break;
              case BLOB:
                outputStream.write(Base64.encodeBase64(tuple.getBytes(i).asByteArray(), false));
                break;
              case CHAR:
                CharDatum charDatum = tuple.getChar(i);
                byte[] pad = new byte[col.getDataType().getLength() - datum.size()];
                outputStream.write(charDatum.asTextBytes());
                outputStream.write(pad);
                break;
              case TEXT:
                outputStream.write(tuple.getText(i).asTextBytes());
                break;
              case INT2:
                outputStream.write(tuple.getShort(i).asTextBytes());
                break;
              case INT4:
                outputStream.write(tuple.getInt(i).asTextBytes());
                break;
              case INT8:
                outputStream.write(tuple.getLong(i).asTextBytes());
                break;
              case FLOAT4:
                outputStream.write(tuple.getFloat(i).asTextBytes());
                break;
              case FLOAT8:
                outputStream.write(tuple.getDouble(i).asTextBytes());
                break;
              case INET4:
                outputStream.write(tuple.getIPv4(i).asTextBytes());
                break;
              case INET6:
                outputStream.write(tuple.getIPv6(i).toString().getBytes());
                break;
              case PROTOBUF:
                ProtobufDatum protobuf = (ProtobufDatum) datum;
                ProtobufJsonFormat.getInstance().print(protobuf.get(), outputStream);
                break;
              default:
                throw new UnsupportedOperationException("Cannot write such field: "
                    + tuple.get(i).type());
            }
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    TajoIdProtos.QueryIdProto.Builder queryIdBuilder = factory.newBuilder();
    queryIdBuilder.setId(String.valueOf(System.currentTimeMillis()));
    queryIdBuilder.setSeq(1);

    TajoIdProtos.QueryIdProto queryId = queryIdBuilder.build();
    ProtobufDatum datum = factory.createDatum(queryId);

    ProtobufJsonFormat formatter = ProtobufJsonFormat.getInstance();
    String json = formatter.printToString(datum.get());

    TajoIdProtos.QueryIdProto.Builder fromJson = factory.newBuilder();
    formatter.merge(TextUtils.toInputStream(json), fromJson);
    assertEquals(queryId, fromJson.build());
  }
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  }

  @Override
  public void merge(FunctionContext ctx, Tuple part) {
    AvgContext avgCtx = (AvgContext) ctx;
    ProtobufDatum datum = (ProtobufDatum) part.get(0);
    AvgDoubleProto proto = (AvgDoubleProto) datum.get();
    avgCtx.sum += proto.getSum();
    avgCtx.count += proto.getCount();
  }
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  public Datum getPartialResult(FunctionContext ctx) {
    AvgContext avgCtx = (AvgContext) ctx;
    AvgDoubleProto.Builder builder = AvgDoubleProto.newBuilder();
    builder.setSum(avgCtx.sum);
    builder.setCount(avgCtx.count);
    return new ProtobufDatum(builder.build());
  }
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  }

  @Override
  public void merge(FunctionContext ctx, Tuple part) {
    AvgContext avgCtx = (AvgContext) ctx;
    ProtobufDatum datum = (ProtobufDatum) part.get(0);
    AvgLongProto proto = (AvgLongProto) datum.get();
    avgCtx.sum += proto.getSum();
    avgCtx.count += proto.getCount();
  }
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  public Datum getPartialResult(FunctionContext ctx) {
    AvgContext avgCtx = (AvgContext) ctx;
    AvgLongProto.Builder builder = AvgLongProto.newBuilder();
    builder.setSum(avgCtx.sum);
    builder.setCount(avgCtx.count);
    return new ProtobufDatum(builder.build());
  }
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Related Classes of org.apache.tajo.datum.ProtobufDatum

  • org.apache.tajo.datum.protobuf.TestProtobufDatum
  • org.apache.tajo.engine.function.builtin.AvgDouble
  • org.apache.tajo.engine.function.builtin.AvgLong
  • org.apache.tajo.storage.CSVFile$CSVAppender
  • org.apache.tajo.storage.sequencefile.SequenceFileAppender
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