Package org.apache.drill.exec.planner.physical

Class BroadcastExchangePrel

java.lang.Object
org.apache.calcite.rel.AbstractRelNode
org.apache.calcite.rel.SingleRel
org.apache.drill.exec.planner.physical.SinglePrel
org.apache.drill.exec.planner.physical.ExchangePrel
org.apache.drill.exec.planner.physical.BroadcastExchangePrel
All Implemented Interfaces:
Cloneable, Iterable<Prel>, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode, DrillRelNode, Prel
public class BroadcastExchangePrel extends ExchangePrel

  • Nested Class Summary

    Nested classes/interfaces inherited from interface org.apache.calcite.rel.RelNode

    org.apache.calcite.rel.RelNode.Context

  • Field Summary

    Fields inherited from class org.apache.calcite.rel.SingleRel

    input

    Fields inherited from class org.apache.calcite.rel.AbstractRelNode

    digest, id, rowType, traitSet

    Fields inherited from interface org.apache.drill.exec.planner.physical.Prel

    DRILL_PHYSICAL

  • Constructor Summary

    Constructors
    Constructor
    Description
    BroadcastExchangePrel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode input)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    org.apache.calcite.plan.RelOptCost
    computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
    In a BroadcastExchange, each sender is sending data to N receivers (for costing purposes we assume it is also sending to itself).
    org.apache.calcite.rel.RelNode
    copy(org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> inputs)
     
    BatchSchema.SelectionVectorMode
    getEncoding()
    A Prel's own SelectionVector mode - i.e whether it generates an SV2, SV4 or None
    PhysicalOperator
    getPhysicalOperator(PhysicalPlanCreator creator)
     
    BatchSchema.SelectionVectorMode[]
    getSupportedEncodings()
    Supported 'encodings' of a Prel indicates what are the acceptable modes of SelectionVector of its child Prel

    Methods inherited from class org.apache.drill.exec.planner.physical.ExchangePrel

    accept, constructMuxPrel

    Methods inherited from class org.apache.drill.exec.planner.physical.SinglePrel

    iterator, needsFinalColumnReordering

    Methods inherited from class org.apache.calcite.rel.SingleRel

    childrenAccept, deriveRowType, estimateRowCount, explainTerms, getInput, getInputs, replaceInput

    Methods inherited from class org.apache.calcite.rel.AbstractRelNode

    accept, accept, collectVariablesSet, collectVariablesUsed, deepEquals, deepHashCode, equals, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getRelDigest, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesSet, hashCode, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, sole, toString

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    Methods inherited from interface java.lang.Iterable

    forEach, spliterator

    Methods inherited from interface org.apache.drill.exec.planner.physical.Prel

    prepareForLateralUnnestPipeline

    Methods inherited from interface org.apache.calcite.rel.RelNode

    accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, deepEquals, deepHashCode, estimateRowCount, explain, explain, fieldIsNullable, getConvention, getCorrelVariable, getDigest, getExpectedInputRowType, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, getTable, getVariablesSet, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, replaceInput

    Methods inherited from interface org.apache.calcite.plan.RelOptNode

    getCluster, getDescription, getId, getTraitSet

  • Constructor Details

    • BroadcastExchangePrel

      public BroadcastExchangePrel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode input)

  • Method Details

    • computeSelfCost

      public org.apache.calcite.plan.RelOptCost computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
      In a BroadcastExchange, each sender is sending data to N receivers (for costing purposes we assume it is also sending to itself).
      Specified by:
      computeSelfCost in interface org.apache.calcite.rel.RelNode
      Overrides:
      computeSelfCost in class org.apache.calcite.rel.AbstractRelNode

    • getEncoding

      public BatchSchema.SelectionVectorMode getEncoding()
      Description copied from interface: Prel
      A Prel's own SelectionVector mode - i.e whether it generates an SV2, SV4 or None

    • getSupportedEncodings

      public BatchSchema.SelectionVectorMode[] getSupportedEncodings()
      Description copied from interface: Prel
      Supported 'encodings' of a Prel indicates what are the acceptable modes of SelectionVector of its child Prel
      Specified by:
      getSupportedEncodings in interface Prel
      Overrides:
      getSupportedEncodings in class SinglePrel

    • copy

      public org.apache.calcite.rel.RelNode copy(org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> inputs)
      Specified by:
      copy in interface org.apache.calcite.rel.RelNode
      Overrides:
      copy in class org.apache.calcite.rel.AbstractRelNode

    • getPhysicalOperator

      public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator) throws IOException
      Throws:
      IOException