Package org.apache.tajo.storage

Examples of org.apache.tajo.storage.VTuple

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    * @see nta.query.executor.eval.Expr#evalVal(Tuple)
    */
  @Override
  public Datum eval(Schema schema, Tuple tuple) {
    if (this.params == null) {
      params = new VTuple(argEvals.length);
    }
    if(argEvals != null) {
      params.clear();
      for(int i=0;i < argEvals.length; i++) {
        params.put(i, argEvals[i].eval(schema, tuple));
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      if (incs[i] == null) {
        incs[i] = new BigDecimal(0);
      }
    }

    Tuple end = new VTuple(sortSpecs.length);
    Column column;
    for (int i = 0; i < last.size(); i++) {
      column = sortSpecs[i].getSortKey();
      switch (column.getDataType().getType()) {
        case CHAR:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createChar((char) (range.getStart().get(i).asChar() + incs[i].longValue())));
          } else {
            end.put(i, DatumFactory.createChar((char) (last.get(i).asChar() + incs[i].longValue())));
          }
          break;
        case BIT:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createBit(
                (byte) (range.getStart().get(i).asByte() + incs[i].longValue())));
          } else {
            end.put(i, DatumFactory.createBit((byte) (last.get(i).asByte() + incs[i].longValue())));
          }
          break;
        case INT2:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createInt2(
                (short) (range.getStart().get(i).asInt2() + incs[i].longValue())));
          } else {
            end.put(i, DatumFactory.createInt2((short) (last.get(i).asInt2() + incs[i].longValue())));
          }
          break;
        case INT4:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createInt4(
                (int) (range.getStart().get(i).asInt4() + incs[i].longValue())));
          } else {
            if (sortSpecs[i].isAscending()) {
              end.put(i, DatumFactory.createInt4((int) (last.get(i).asInt4() + incs[i].longValue())));
            } else {
              end.put(i, DatumFactory.createInt4((int) (last.get(i).asInt4() - incs[i].longValue())));
            }
          }
          break;
        case INT8:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createInt8(
                range.getStart().get(i).asInt8() + incs[i].longValue()));
          } else {
            end.put(i, DatumFactory.createInt8(last.get(i).asInt8() + incs[i].longValue()));
          }
          break;
        case FLOAT4:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createFloat4(
                range.getStart().get(i).asFloat4() + incs[i].longValue()));
          } else {
            end.put(i, DatumFactory.createFloat4(last.get(i).asFloat4() + incs[i].longValue()));
          }
          break;
        case FLOAT8:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createFloat8(
                range.getStart().get(i).asFloat8() + incs[i].longValue()));
          } else {
            end.put(i, DatumFactory.createFloat8(last.get(i).asFloat8() + incs[i].longValue()));
          }
          break;
        case TEXT:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createText(((char) (range.getStart().get(i).asChars().charAt(0)
                + incs[i].longValue())) + ""));
          } else {
            end.put(i, DatumFactory.createText(
                ((char) ((last.get(i) instanceof NullDatum ? '0': last.get(i).asChars().charAt(0)) + incs[i].longValue())) + ""));
          }
          break;
        case DATE:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createDate((int) (range.getStart().get(i).asInt4() + incs[i].longValue())));
          } else {
            end.put(i, DatumFactory.createDate((int) (last.get(i).asInt4() + incs[i].longValue())));
          }
          break;
        case TIME:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createTime(range.getStart().get(i).asInt8() + incs[i].longValue()));
          } else {
            end.put(i, DatumFactory.createTime(last.get(i).asInt8() + incs[i].longValue()));
          }
          break;
        case TIMESTAMP:
          if (overflowFlag[i]) {
            end.put(i, DatumFactory.createTimeStampFromMillis(
                range.getStart().get(i).asInt8() + incs[i].longValue()));
          } else {
            end.put(i, DatumFactory.createTimeStampFromMillis(last.get(i).asInt8() + incs[i].longValue()));
          }
          break;
        case INET4:
          byte[] ipBytes;
          if (overflowFlag[i]) {
            ipBytes = range.getStart().get(i).asByteArray();
            assert ipBytes.length == 4;
            end.put(i, DatumFactory.createInet4(ipBytes));
          } else {
            int lastVal = last.get(i).asInt4() + incs[i].intValue();
            ipBytes = new byte[4];
            Bytes.putInt(ipBytes, 0, lastVal);
            end.put(i, DatumFactory.createInet4(ipBytes));
          }
          break;
        default:
          throw new UnsupportedOperationException(column.getDataType() + " is not supported yet");
      }
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    return instance.newContext();
  }

  public void merge(FunctionContext context, Schema schema, Tuple tuple) {
    if (params == null) {
      this.params = new VTuple(argEvals.length);
    }

    if (argEvals != null) {
      for (int i = 0; i < argEvals.length; i++) {
        params.put(i, argEvals[i].eval(schema, tuple));
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  public HashLeftAntiJoinExec(TaskAttemptContext context, JoinNode plan, PhysicalExec fromSideChild,
                              PhysicalExec notInSideChild) {
    super(context, plan, fromSideChild, notInSideChild);
    // NUll Tuple
    rightNullTuple = new VTuple(leftChild.outColumnNum);
    for (int i = 0; i < leftChild.outColumnNum; i++) {
      rightNullTuple.put(i, NullDatum.get());
    }
  }
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  public HashLeftSemiJoinExec(TaskAttemptContext context, JoinNode plan, PhysicalExec fromSideChild,
                              PhysicalExec inSideChild) {
    super(context, plan, fromSideChild, inSideChild);
    // NUll Tuple
    rightNullTuple = new VTuple(leftChild.outColumnNum);
    for (int i = 0; i < leftChild.outColumnNum; i++) {
      rightNullTuple.put(i, NullDatum.get());
    }
  }
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    // for projection
    this.projector = new Projector(inSchema, outSchema, plan.getTargets());

    // for join
    frameTuple = new FrameTuple();
    outTuple = new VTuple(outSchema.size());
    leftKeyTuple = new VTuple(leftKeyList.length);

    rightNumCols = rightChild.getSchema().size();
  }
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  protected void loadRightToHashTable() throws IOException {
    Tuple tuple;
    Tuple keyTuple;

    while ((tuple = rightChild.next()) != null) {
      keyTuple = new VTuple(joinKeyPairs.size());
      for (int i = 0; i < rightKeyList.length; i++) {
        keyTuple.put(i, tuple.get(rightKeyList[i]));
      }

      List<Tuple> newValue = tupleSlots.get(keyTuple);
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    // for projection
    this.projector = new Projector(inSchema, outSchema, plan.getTargets());

    // for join
    frameTuple = new FrameTuple();
    outTuple = new VTuple(outSchema.size());
  }
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  }

  @Override
  public Tuple next() throws IOException {   
    Target [] targets = plan.getTargets();
    Tuple t = new VTuple(targets.length);
    for (int i = 0; i < targets.length; i++) {
      t.put(i, targets[i].getEvalTree().eval(inSchema, null));
    }
    return t;
  }
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    Tuple outputTuple = null;

    while(!context.isStopped() && (tuple = child.next()) != null) {

      // get a key tuple
      currentKey = new VTuple(groupingKeyIds.length);
      for(int i = 0; i < groupingKeyIds.length; i++) {
        currentKey.put(i, tuple.get(groupingKeyIds[i]));
      }

      /** Aggregation State */
      if (lastKey == null || lastKey.equals(currentKey)) {
        if (lastKey == null) {
          for(int i = 0; i < aggFunctionsNum; i++) {
            contexts[i] = aggFunctions[i].newContext();
            aggFunctions[i].merge(contexts[i], inSchema, tuple);
          }
          lastKey = currentKey;
        } else {
          // aggregate
          for (int i = 0; i < aggFunctionsNum; i++) {
            aggFunctions[i].merge(contexts[i], inSchema, tuple);
          }
        }

      } else { /** Finalization State */
        // finalize aggregate and return
        outputTuple = new VTuple(outSchema.size());
        int tupleIdx = 0;

        for(; tupleIdx < groupingKeyNum; tupleIdx++) {
          outputTuple.put(tupleIdx, lastKey.get(tupleIdx));
        }
        for(int aggFuncIdx = 0; aggFuncIdx < aggFunctionsNum; tupleIdx++, aggFuncIdx++) {
          outputTuple.put(tupleIdx, aggFunctions[aggFuncIdx].terminate(contexts[aggFuncIdx]));
        }

        for(int evalIdx = 0; evalIdx < aggFunctionsNum; evalIdx++) {
          contexts[evalIdx] = aggFunctions[evalIdx].newContext();
          aggFunctions[evalIdx].merge(contexts[evalIdx], inSchema, tuple);
        }

        lastKey = currentKey;
        return outputTuple;
      }
    } // while loop

    if (!finished) {
      outputTuple = new VTuple(outSchema.size());
      int tupleIdx = 0;
      for(; tupleIdx < groupingKeyNum; tupleIdx++) {
        outputTuple.put(tupleIdx, lastKey.get(tupleIdx));
      }
      for(int aggFuncIdx = 0; aggFuncIdx < aggFunctionsNum; tupleIdx++, aggFuncIdx++) {
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Related Classes of org.apache.tajo.storage.VTuple

  • org.apache.tajo.engine.eval.AggregationFunctionCallEval
  • org.apache.tajo.engine.eval.ExprTestBase
  • org.apache.tajo.engine.eval.GeneralFunctionEval
  • org.apache.tajo.engine.eval.TestEvalTree
  • org.apache.tajo.engine.function.TestAggFunction
  • org.apache.tajo.engine.function.TestGeneralFunction
  • org.apache.tajo.engine.planner.physical.BNLJoinExec
  • org.apache.tajo.engine.planner.physical.EvalExprExec
  • org.apache.tajo.engine.planner.physical.HashAggregateExec
  • org.apache.tajo.engine.planner.physical.HashFullOuterJoinExec
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