Class EnumerablePrel

java.lang.Object
org.apache.calcite.rel.AbstractRelNode
org.apache.drill.exec.store.enumerable.plan.EnumerablePrel
All Implemented Interfaces:
Cloneable, Iterable<Prel>, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode, DrillRelNode, LeafPrel, Prel

public class EnumerablePrel extends org.apache.calcite.rel.AbstractRelNode implements LeafPrel
LeafPrel implementation that generates java code that may be executed to obtain results for the provided plan part.
  • 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.AbstractRelNode

    digest, id, rowType, traitSet

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

    DRILL_PHYSICAL
  • Constructor Summary

    Constructors
    Constructor
    Description
    EnumerablePrel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode input, EnumerablePrelContext context)
     
  • Method Summary

    Modifier and Type
    Method
    Description
    double
    estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery mq)
     
    org.apache.calcite.rel.RelWriter
    explainTerms(org.apache.calcite.rel.RelWriter pw)
     
    A Prel's own SelectionVector mode - i.e whether it generates an SV2, SV4 or None
     
    Supported 'encodings' of a Prel indicates what are the acceptable modes of SelectionVector of its child Prel

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

    accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, copy, deepEquals, deepHashCode, deriveRowType, equals, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesSet, hashCode, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, replaceInput, 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.LeafPrel

    accept, iterator, needsFinalColumnReordering

    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, computeSelfCost, copy, deepEquals, deepHashCode, 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

    • EnumerablePrel

      public EnumerablePrel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode input, EnumerablePrelContext context)
  • Method Details

    • getPhysicalOperator

      public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator)
      Specified by:
      getPhysicalOperator in interface Prel
    • explainTerms

      public org.apache.calcite.rel.RelWriter explainTerms(org.apache.calcite.rel.RelWriter pw)
      Overrides:
      explainTerms in class org.apache.calcite.rel.AbstractRelNode
    • estimateRowCount

      public double estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery mq)
      Specified by:
      estimateRowCount in interface org.apache.calcite.rel.RelNode
      Overrides:
      estimateRowCount in class org.apache.calcite.rel.AbstractRelNode
    • 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
    • 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
      Specified by:
      getEncoding in interface Prel