org.apache.drill.exec.store.plan.rel

Class PluginProjectRel

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.calcite.rel.core.Project

org.apache.drill.exec.planner.common.DrillProjectRelBase

org.apache.drill.exec.store.plan.rel.PluginProjectRel

All Implemented Interfaces:

Cloneable, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode, DrillRelNode, PluginRel

public class PluginProjectRel
extends DrillProjectRelBase
implements PluginRel

Project implementation for Drill plugins.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.rel.core.Project

org.apache.calcite.rel.core.Project.Flags

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.core.Project

exps

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

input

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

digest, id, rowType, traitSet

Constructor Summary

Constructors

Constructor and Description
PluginProjectRel(org.apache.calcite.plan.Convention convention, org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode input, List<? extends org.apache.calcite.rex.RexNode> projects, org.apache.calcite.rel.type.RelDataType rowType)

Method Summary

Modifier and Type	Method and Description
boolean	canImplement(PluginImplementor implementor)
org.apache.calcite.plan.RelOptCost	computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
org.apache.calcite.rel.core.Project	copy(org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode input, List<org.apache.calcite.rex.RexNode> projects, org.apache.calcite.rel.type.RelDataType rowType)
void	implement(PluginImplementor implementor)

Methods inherited from class org.apache.drill.exec.planner.common.DrillProjectRelBase

getProjectExpressions

Methods inherited from class org.apache.calcite.rel.core.Project

accept, copy, copy, explainTerms, getChildExps, getFlags, getMapping, getMapping, getNamedProjects, getPartialMapping, getPermutation, getPermutation, getProjects, isBoxed, isMapping, isValid

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

childrenAccept, deriveRowType, estimateRowCount, getInput, getInputs, replaceInput

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

accept, collectVariablesSet, collectVariablesUsed, computeDigest, computeSelfCost, equals, explain, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getQuery, getRelTypeName, getRows, getRowType, getTable, getTraitSet, getVariablesSet, getVariablesStopped, hashCode, isDistinct, isKey, 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 org.apache.calcite.rel.RelNode

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, copy, estimateRowCount, explain, getChildExps, getCollationList, getConvention, getCorrelVariable, getExpectedInputRowType, getInput, getInputs, getQuery, getRelTypeName, getRows, getRowType, getTable, getVariablesSet, getVariablesStopped, isDistinct, isKey, isValid, isValid, metadata, onRegister, recomputeDigest, register, replaceInput

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

getCluster, getDescription, getDigest, getId, getTraitSet

Constructor Detail

PluginProjectRel

public PluginProjectRel(org.apache.calcite.plan.Convention convention,
                        org.apache.calcite.plan.RelOptCluster cluster,
                        org.apache.calcite.plan.RelTraitSet traitSet,
                        org.apache.calcite.rel.RelNode input,
                        List<? extends org.apache.calcite.rex.RexNode> projects,
                        org.apache.calcite.rel.type.RelDataType rowType)

Method Detail

copy

public org.apache.calcite.rel.core.Project copy(org.apache.calcite.plan.RelTraitSet traitSet,
                                                org.apache.calcite.rel.RelNode input,
                                                List<org.apache.calcite.rex.RexNode> projects,
                                                org.apache.calcite.rel.type.RelDataType rowType)

Specified by:

copy in class org.apache.calcite.rel.core.Project

computeSelfCost

public org.apache.calcite.plan.RelOptCost computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner,
                                                          org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Specified by:

computeSelfCost in interface org.apache.calcite.rel.RelNode

Overrides:

computeSelfCost in class DrillProjectRelBase

implement

public void implement(PluginImplementor implementor)
               throws IOException

Specified by:

implement in interface PluginRel

Throws:

IOException

canImplement

public boolean canImplement(PluginImplementor implementor)

Specified by:

canImplement in interface PluginRel