Package org.apache.drill.exec.vector

Examples of org.apache.drill.exec.vector.ValueVector

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  public TestOutputMutator(BufferAllocator allocator){
    this.allocator = allocator;
  }

  public void removeField(MaterializedField field) throws SchemaChangeException {
    ValueVector vector = fieldVectorMap.remove(field);
    if (vector == null)
      throw new SchemaChangeException("Failure attempting to remove an unknown field.");
    container.remove(vector);
    vector.close();
  }
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    return;
  }

  @Override
  public <T extends ValueVector> T addField(MaterializedField field, Class<T> clazz) throws SchemaChangeException {
    ValueVector v = TypeHelper.getNewVector(field, allocator);
    if(!clazz.isAssignableFrom(v.getClass())) throw new SchemaChangeException(String.format("The class that was provided %s does not correspond to the expected vector type of %s.", clazz.getSimpleName(), v.getClass().getSimpleName()));
    addField(v);
    return (T) v;
  }
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      if (idx == 0) {  // first batch holder can use the original htContainer
        htContainer = htContainerOrig;
      } else { // otherwise create a new one using the original's fields
        htContainer = new VectorContainer();
        for (VectorWrapper<?> w : htContainerOrig) {
          ValueVector vv = TypeHelper.getNewVector(w.getField(), allocator);
          vv.allocateNew();
          htContainer.add(vv);
        }
      }

      links = allocMetadataVector(HashTable.BATCH_SIZE, EMPTY_SLOT);
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      setValueCount();
     
      Iterator<VectorWrapper<?>> outgoingIter = outContainer.iterator();
     
      for (VectorWrapper<?> sourceWrapper : htContainer) {
        ValueVector sourceVV = sourceWrapper.getValueVector();
        ValueVector targetVV = outgoingIter.next().getValueVector();
        TransferPair tp = sourceVV.makeTransferPair(targetVV);
        tp.splitAndTransfer(outStartIndex, numRecords);
      }
     
/*
 
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      return true;
    }

    private void setValueCount() {
      for (VectorWrapper<?> vw : htContainer) {
        ValueVector vv = vw.getValueVector();
        vv.getMutator().setValueCount(maxOccupiedIdx + 1);
      }
    }
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  private Copier getGenerated2Copier() throws SchemaChangeException{
    Preconditions.checkArgument(incoming.getSchema().getSelectionVectorMode() == SelectionVectorMode.TWO_BYTE);

    for(VectorWrapper<?> i : incoming){
      ValueVector v = TypeHelper.getNewVector(i.getField(), oContext.getAllocator());
      container.add(v);
    }

    try {
      final CodeGenerator<Copier> cg = CodeGenerator.get(Copier.TEMPLATE_DEFINITION2, context.getFunctionRegistry());
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  public static Copier getGenerated4Copier(RecordBatch batch, FragmentContext context, BufferAllocator allocator, VectorContainer container, RecordBatch outgoing) throws SchemaChangeException{

    for(VectorWrapper<?> i : batch){

      ValueVector v = TypeHelper.getNewVector(i.getField(), allocator);
      container.add(v);
    }

    try {
      final CodeGenerator<Copier> cg = CodeGenerator.get(Copier.TEMPLATE_DEFINITION4, context.getFunctionRegistry());
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    Iterator<VectorWrapper<?>> outgoingIter = outContainer.iterator();
    for (int i=0; i < numGroupByOutFields; i++) {
      outgoingIter.next();
    }
    while (outgoingIter.hasNext()) {
      ValueVector vv = outgoingIter.next().getValueVector();
      vv.allocateNew();
    }
  }
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    return primitiveVectors;
  }

  @Override
  public <T extends ValueVector> T addOrGet(String name, MajorType type, Class<T> clazz) {
    ValueVector v = vectors.get(name);

    if(v == null){
      v = TypeHelper.getNewVector(field.getPath(), name, allocator, type);
      Preconditions.checkNotNull(v, String.format("Failure to create vector of type %s.", type));
      put(name, v);
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  }

  @Override
  public <T extends ValueVector> T get(String name, Class<T> clazz) {
    ValueVector v = vectors.get(name);
    if(v == null) throw new IllegalStateException(String.format("Attempting to access invalid map field of name %s.", name));
    return typeify(v, clazz);
  }
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