Package org.apache.drill.exec.expr

Examples of org.apache.drill.exec.expr.ValueVectorReadExpression

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      if (expr instanceof ValueVectorReadExpression && incoming.getSchema().getSelectionVectorMode() == SelectionVectorMode.NONE
          && !((ValueVectorReadExpression) expr).hasReadPath()
          && !isAnyWildcard
          && !transferFieldIds.contains(((ValueVectorReadExpression) expr).getFieldId().getFieldIds()[0])) {

        ValueVectorReadExpression vectorRead = (ValueVectorReadExpression) expr;
        TypedFieldId id = vectorRead.getFieldId();
        ValueVector vvIn = incoming.getValueAccessorById(id.getIntermediateClass(), id.getFieldIds()).getValueVector();
        Preconditions.checkNotNull(incoming);

        FieldReference ref = getRef(namedExpression);
        ValueVector vvOut = container.addOrGet(MaterializedField.create(ref, vectorRead.getMajorType()));
        TransferPair tp = vvIn.makeTransferPair(vvOut);
        transfers.add(tp);
        transferFieldIds.add(vectorRead.getFieldId().getFieldIds()[0]);
        logger.debug("Added transfer for project expression.");
      } else if (expr instanceof DrillFuncHolderExpr &&
          ((DrillFuncHolderExpr) expr).isComplexWriterFuncHolder())  {
        // Need to process ComplexWriter function evaluation.
        // Lazy initialization of the list of complex writers, if not done yet.
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                  popConfig.getColumn()).getFieldIds()[0]).getValueClass(),
          incoming.getValueVectorId(popConfig.getColumn()).getFieldIds()).getValueVector());

    NamedExpression namedExpression = new NamedExpression(popConfig.getColumn(), new FieldReference(popConfig.getColumn()));
    LogicalExpression expr = ExpressionTreeMaterializer.materialize(namedExpression.getExpr(), incoming, collector, context.getFunctionRegistry(), true);
    ValueVectorReadExpression vectorRead = (ValueVectorReadExpression) expr;
    TypedFieldId id = vectorRead.getFieldId();
    Preconditions.checkNotNull(incoming);

    TransferPair tp = null;
    if (flattenField instanceof RepeatedMapVector) {
      tp = ((RepeatedMapVector)flattenField).getTransferPairToSingleMap();
    } else {
      ValueVector vvIn = flattenField.getAccessor().getAllChildValues();
      tp = vvIn.getTransferPair();
    }
    transfers.add(tp);
    container.add(tp.getTo());
    transferFieldIds.add(vectorRead.getFieldId().getFieldIds()[0]);

    logger.debug("Added transfer for project expression.");

    ClassifierResult result = new ClassifierResult();
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      .finalType(Types.repeated(MinorType.MAP)) //
      .hyper() //
      .withIndex() //
      .build();

    ValueVectorReadExpression e = new ValueVectorReadExpression(id);

    TypedFieldId outId = TypedFieldId.newBuilder() //
        .addId(1) //
        .finalType(Types.repeated(MinorType.MAP)) //
        .intermediateType(Types.repeated(MinorType.MAP)) //
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          && !((ValueVectorReadExpression) expr).hasReadPath()
          && !isAnyWildcard
          && !transferFieldIds.contains(((ValueVectorReadExpression) expr).getFieldId().getFieldIds()[0])
        ) {

        ValueVectorReadExpression vectorRead = (ValueVectorReadExpression) expr;
        TypedFieldId id = vectorRead.getFieldId();
        ValueVector vvIn = incoming.getValueAccessorById(id.getIntermediateClass(), id.getFieldIds()).getValueVector();
        Preconditions.checkNotNull(incoming);

        TransferPair tp = vvIn.getTransferPair(getRef(namedExpression));
        transfers.add(tp);
        container.add(tp.getTo());
        transferFieldIds.add(vectorRead.getFieldId().getFieldIds()[0]);
        logger.debug("Added transfer for project expression.");
      } else if (expr instanceof DrillFuncHolderExpr &&
          ((DrillFuncHolderExpr) expr).isComplexWriterFuncHolder())  {
        // Need to process ComplexWriter function evaluation.
        // Lazy initialization of the list of complex writers, if not done yet.
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Related Classes of org.apache.drill.exec.expr.ValueVectorReadExpression

  • org.apache.drill.exec.compile.TestEvaluationVisitor
  • org.apache.drill.exec.physical.impl.common.ChainedHashTable
  • org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch
  • org.apache.drill.exec.physical.impl.orderedpartitioner.OrderedPartitionRecordBatch
  • org.apache.drill.exec.physical.impl.project.ProjectRecordBatch
  • org.apache.drill.exec.physical.impl.window.StreamingWindowFrameRecordBatch
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