Package org.apache.drill.exec.physical.base

Examples of org.apache.drill.exec.physical.base.PhysicalOperator

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  @Override
  public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator) throws IOException {
    Prel child = (Prel) this.getChild();

    PhysicalOperator childPOP = child.getPhysicalOperator(creator);

    Sort g = new ExternalSort(childPOP, PrelUtil.getOrdering(this.collation, getChild().getRowType()), false);
    return creator.addMetadata(this, g);
  }
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  private void runPhysicalPlan(PhysicalPlan plan) {

    if(plan.getProperties().resultMode != ResultMode.EXEC) {
      fail(String.format("Failure running plan.  You requested a result mode of %s and a physical plan can only be output as EXEC", plan.getProperties().resultMode), new Exception());
    }
    PhysicalOperator rootOperator = plan.getSortedOperators(false).iterator().next();

    MakeFragmentsVisitor makeFragmentsVisitor = new MakeFragmentsVisitor();
    Fragment rootFragment;
    try {
      rootFragment = rootOperator.accept(makeFragmentsVisitor, null);
    } catch (FragmentSetupException e) {
      fail("Failure while fragmenting query.", e);
      return;
    }
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  }

  @Override
  public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator) throws IOException {
    Prel child = (Prel) this.getChild();
    PhysicalOperator g = getCreateTableEntry().getWriter(child.getPhysicalOperator(creator));
    return creator.addMetadata(this, g);
  }
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  @Override
  public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator) throws IOException {
    Prel child = (Prel) this.getChild();

    PhysicalOperator childPOP = child.getPhysicalOperator(creator);

    // First offset to include into results (inclusive). Null implies it is starting from offset 0
    int first = offset != null ? Math.max(0, RexLiteral.intValue(offset)) : 0;

    // Last offset to stop including into results (exclusive), translating fetch row counts into an offset.
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    RootExec root = null;
    private ScreenCreator sc = new ScreenCreator();

    public static PhysicalOperator getExec(FragmentContext context, FragmentRoot root) throws ExecutionSetupException {
        TraceInjector tI = new TraceInjector();
        PhysicalOperator newOp = root.accept(tI, context);

        return newOp;
    }
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    @Override
    public PhysicalOperator visitOp(PhysicalOperator op, FragmentContext context) throws ExecutionSetupException{

        List<PhysicalOperator> newChildren = Lists.newArrayList();
        List<PhysicalOperator> list = null;
        PhysicalOperator newOp = op;

        /* Get the list of child operators */
        for (PhysicalOperator child : op)
        {
            newChildren.add(child.accept(this, context));
        }

        list = Lists.newArrayList();

        /* For every child operator create a trace operator as its parent */
        for (int i = 0; i < newChildren.size(); i++)
        {
            String traceTag = newChildren.get(i).toString() + Integer.toString(traceTagCount++);

            /* Trace operator */
            Trace traceOp = new Trace(newChildren.get(i), traceTag);
            list.add(traceOp);
        }

        /* Inject trace operator */
        if (list.size() > 0) {
          newOp = op.getNewWithChildren(list);
        }
        newOp.setOperatorId(op.getOperatorId());

        return newOp;
    }
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  }

  public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator) throws IOException {
    Prel child = (Prel) this.getChild();

    PhysicalOperator childPOP = child.getPhysicalOperator(creator);

    if (PrelUtil.getSettings(getCluster()).isSingleMode()) {
      return childPOP;
    }
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  @Override
  public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator) throws IOException {
    Prel child = (Prel) this.getChild();

    PhysicalOperator childPOP = child.getPhysicalOperator(creator);

    final List<String> childFields = getChild().getRowType().getFieldNames();

    checkState(windows.size() == 1, "Only one window is expected in WindowPrel");
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  @Override
  public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator) throws IOException {
    Prel child = (Prel) this.getChild();

    PhysicalOperator childPOP = child.getPhysicalOperator(creator);

    Sort g = new ExternalSort(childPOP, PrelUtil.getOrdering(this.collation, getChild().getRowType()), false);
    return creator.addMetadata(this, g);
  }
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    // now we generate all the individual plan fragments and associated assignments. Note, we need all endpoints
    // assigned before we can materialize, so we start a new loop here rather than utilizing the previous one.
    for (Wrapper wrapper : planningSet) {
      Fragment node = wrapper.getNode();
      Stats stats = node.getStats();
      final PhysicalOperator physicalOperatorRoot = node.getRoot();
      boolean isRootNode = rootNode == node;

      if (isRootNode && wrapper.getWidth() != 1) {
        throw new FragmentSetupException(
            String.format(
                "Failure while trying to setup fragment.  The root fragment must always have parallelization one.  In the current case, the width was set to %d.",
                wrapper.getWidth()));
      }
      // a fragment is self driven if it doesn't rely on any other exchanges.
      boolean isLeafFragment = node.getReceivingExchangePairs().size() == 0;

      // Create a minorFragment for each major fragment.
      for (int minorFragmentId = 0; minorFragmentId < wrapper.getWidth(); minorFragmentId++) {
        IndexedFragmentNode iNode = new IndexedFragmentNode(minorFragmentId, wrapper);
        wrapper.resetAllocation();
        PhysicalOperator op = physicalOperatorRoot.accept(materializer, iNode);
        Preconditions.checkArgument(op instanceof FragmentRoot);
        FragmentRoot root = (FragmentRoot) op;

        // get plan as JSON
        String plan;
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Related Classes of org.apache.drill.exec.physical.base.PhysicalOperator

  • org.apache.drill.exec.memory.TestAllocators
  • org.apache.drill.exec.opt.BasicOptimizer
  • org.apache.drill.exec.opt.BasicOptimizer$LogicalConverter
  • org.apache.drill.exec.physical.impl.TraceInjector
  • org.apache.drill.exec.physical.impl.validate.IteratorValidatorInjector
  • org.apache.drill.exec.planner.fragment.Materializer
  • org.apache.drill.exec.planner.fragment.SimpleParallelizer
  • org.apache.drill.exec.planner.physical.BroadcastExchangePrel
  • org.apache.drill.exec.planner.physical.DrillFlattenPrel
  • org.apache.drill.exec.planner.physical.FilterPrel
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