Package org.apache.drill.exec.expr

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

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        throw new SchemaChangeException(String.format("Failure while trying to materialize incoming schema.  Errors:\n %s.", collector.toErrorString()));
      }
     
      // add value vector to transfer if direct reference and this is allowed, otherwise, add to evaluation stack.
      if(expr instanceof ValueVectorReadExpression && incoming.getSchema().getSelectionVectorMode() == SelectionVectorMode.NONE){
        ValueVectorReadExpression vectorRead = (ValueVectorReadExpression) expr;
        ValueVector vvIn = incoming.getValueAccessorById(vectorRead.getFieldId().getFieldId(), TypeHelper.getValueVectorClass(vectorRead.getMajorType().getMinorType(), vectorRead.getMajorType().getMode())).getValueVector();
        Preconditions.checkNotNull(incoming);

        TransferPair tp = vvIn.getTransferPair(getRef(namedExpression));
        transfers.add(tp);
        container.add(tp.getTo());
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        throw new SchemaChangeException("Failure while materializing expression. " + collector.toErrorString());
      cg.setMappingSet(incomingMapping);
      ClassGenerator.HoldingContainer left = cg.addExpr(expr, false);
      cg.setMappingSet(partitionMapping);
      ClassGenerator.HoldingContainer right = cg.addExpr(
          new ValueVectorReadExpression(new TypedFieldId(expr.getMajorType(), count++)), false);
      cg.setMappingSet(mainMapping);

      LogicalExpression fh = FunctionGenerationHelper.getComparator(left, right, context.getFunctionRegistry());
      ClassGenerator.HoldingContainer out = cg.addExpr(fh, false);
      JConditional jc = cg.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)));
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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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    for (LogicalExpression expr : keyExprs) {
      cg.setMappingSet(incomingMapping);
      HoldingContainer left = cg.addExpr(expr, false);
       
      cg.setMappingSet(htableMapping);
      ValueVectorReadExpression vvrExpr = new ValueVectorReadExpression(htKeyFieldIds[i++]);
      HoldingContainer right = cg.addExpr(vvrExpr, false);

      // next we wrap the two comparison sides and add the expression block for the comparison.
      LogicalExpression f = FunctionGenerationHelper.getComparator(left, right, context.getFunctionRegistry());
      HoldingContainer out = cg.addExpr(f, false);
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    cg.setMappingSet(OutputRecordKeysMapping);

    if (outKeyFieldIds != null) {
      for (int i = 0; i < outKeyFieldIds.length; i++) {
        ValueVectorReadExpression vvrExpr = new ValueVectorReadExpression(htKeyFieldIds[i]);
        ValueVectorWriteExpression vvwExpr = new ValueVectorWriteExpression(outKeyFieldIds[i], vvrExpr, true);
        HoldingContainer hc = cg.addExpr(vvwExpr);
        cg.getEvalBlock()._if(hc.getValue().eq(JExpr.lit(0)))._then()._return(JExpr.FALSE);
      }
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    for (VectorWrapper wrapper : incoming) {
      ValueVector vv = wrapper.isHyper() ? wrapper.getValueVectors()[0] : wrapper.getValueVector();
      container.addOrGet(vv.getField());
      TypedFieldId id = container.getValueVectorId(vv.getField().getPath());
      final LogicalExpression expr = ExpressionTreeMaterializer.materialize(
          new ValueVectorReadExpression(new TypedFieldId(vv.getField().getType(), wrapper.isHyper(), j)),
          incoming,
          collector,
          context.getFunctionRegistry());
      windowExprs[j] = new ValueVectorWriteExpression(id, expr, true);
      j++;
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      }
      cg.setMappingSet(incomingMapping);
      ClassGenerator.HoldingContainer left = cg.addExpr(expr, false);
      cg.setMappingSet(partitionMapping);
      ClassGenerator.HoldingContainer right = cg.addExpr(
          new ValueVectorReadExpression(new TypedFieldId(expr.getMajorType(), count++)), false);
      cg.setMappingSet(mainMapping);

      LogicalExpression fh = FunctionGenerationHelper.getComparator(left, right, context.getFunctionRegistry());
      ClassGenerator.HoldingContainer out = cg.addExpr(fh, false);
      JConditional jc = cg.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)));
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    for (LogicalExpression expr : keyExprs) {
      cg.setMappingSet(incomingMapping);
      HoldingContainer left = cg.addExpr(expr, false);

      cg.setMappingSet(htableMapping);
      ValueVectorReadExpression vvrExpr = new ValueVectorReadExpression(htKeyFieldIds[i++]);
      HoldingContainer right = cg.addExpr(vvrExpr, false);

      // next we wrap the two comparison sides and add the expression block for the comparison.
      LogicalExpression f = FunctionGenerationHelper.getComparator(left, right, context.getFunctionRegistry());
      HoldingContainer out = cg.addExpr(f, false);
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    cg.setMappingSet(OutputRecordKeysMapping);

    if (outKeyFieldIds != null) {
      for (int i = 0; i < outKeyFieldIds.length; i++) {
        ValueVectorReadExpression vvrExpr = new ValueVectorReadExpression(htKeyFieldIds[i]);
        ValueVectorWriteExpression vvwExpr = new ValueVectorWriteExpression(outKeyFieldIds[i], vvrExpr, true);
        HoldingContainer hc = cg.addExpr(vvwExpr);
        cg.getEvalBlock()._if(hc.getValue().eq(JExpr.lit(0)))._then()._return(JExpr.FALSE);
      }
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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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