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Java VectorWrapper.getValueVectors方法代碼示例

本文整理匯總了Java中org.apache.drill.exec.record.VectorWrapper.getValueVectors方法的典型用法代碼示例。如果您正苦於以下問題:Java VectorWrapper.getValueVectors方法的具體用法?Java VectorWrapper.getValueVectors怎麽用?Java VectorWrapper.getValueVectors使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在org.apache.drill.exec.record.VectorWrapper的用法示例。


在下文中一共展示了VectorWrapper.getValueVectors方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: getGenerated4Copier

import org.apache.drill.exec.record.VectorWrapper; //導入方法依賴的package包/類
public static Copier getGenerated4Copier(RecordBatch batch, FragmentContext context, BufferAllocator allocator, VectorContainer container, RecordBatch outgoing, SchemaChangeCallBack callBack) throws SchemaChangeException{

    for(VectorWrapper<?> vv : batch){
      ValueVector v = vv.getValueVectors()[0];
      v.makeTransferPair(container.addOrGet(v.getField(), callBack));
    }

    try {
      final CodeGenerator<Copier> cg = CodeGenerator.get(Copier.TEMPLATE_DEFINITION4, context.getFunctionRegistry());
      CopyUtil.generateCopies(cg.getRoot(), batch, true);
      Copier copier = context.getImplementationClass(cg);
      copier.setupRemover(context, batch, outgoing);

      return copier;
    } catch (ClassTransformationException | IOException e) {
      throw new SchemaChangeException("Failure while attempting to load generated class", e);
    }
  }
 
開發者ID:skhalifa,項目名稱:QDrill,代碼行數:19,代碼來源:RemovingRecordBatch.java

示例2: generateSV4Filterer

import org.apache.drill.exec.record.VectorWrapper; //導入方法依賴的package包/類
protected Filterer generateSV4Filterer() throws SchemaChangeException {
  final ErrorCollector collector = new ErrorCollectorImpl();
  final List<TransferPair> transfers = Lists.newArrayList();
  final ClassGenerator<Filterer> cg = CodeGenerator.getRoot(Filterer.TEMPLATE_DEFINITION4, context.getFunctionRegistry());

  final LogicalExpression expr = ExpressionTreeMaterializer.materialize(popConfig.getExpr(), incoming, collector, context.getFunctionRegistry());
  if (collector.hasErrors()) {
    throw new SchemaChangeException(String.format("Failure while trying to materialize incoming schema.  Errors:\n %s.", collector.toErrorString()));
  }

  cg.addExpr(new ReturnValueExpression(expr));

  for (final VectorWrapper<?> vw : incoming) {
    for (final ValueVector vv : vw.getValueVectors()) {
      final TransferPair pair = vv.getTransferPair();
      container.add(pair.getTo());
      transfers.add(pair);
    }
  }

  // allocate outgoing sv4
  container.buildSchema(SelectionVectorMode.FOUR_BYTE);

  try {
    final TransferPair[] tx = transfers.toArray(new TransferPair[transfers.size()]);
    final Filterer filter = context.getImplementationClass(cg);
    filter.setup(context, incoming, this, tx);
    return filter;
  } catch (ClassTransformationException | IOException e) {
    throw new SchemaChangeException("Failure while attempting to load generated class", e);
  }

}
 
開發者ID:skhalifa,項目名稱:QDrill,代碼行數:34,代碼來源:FilterRecordBatch.java


注:本文中的org.apache.drill.exec.record.VectorWrapper.getValueVectors方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。