org.apache.drill.exec.planner.logical

Class DrillProjectRel

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.planner.logical.DrillProjectRel

All Implemented Interfaces:

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

public class DrillProjectRel
extends DrillProjectRelBase
implements DrillRel

Project implemented in Drill.

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

Fields inherited from interface org.apache.drill.exec.planner.logical.DrillRel

DRILL_LOGICAL

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DrillProjectRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.rel.RelNode child, List<? extends org.apache.calcite.rex.RexNode> exps, org.apache.calcite.rel.type.RelDataType rowType)

Method Summary

Modifier and Type	Method and Description
static DrillProjectRel	convert(Project project, ConversionContext context)
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> exps, org.apache.calcite.rel.type.RelDataType rowType)
static DrillProjectRel	create(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.rel.RelNode child, List<? extends org.apache.calcite.rex.RexNode> exps, org.apache.calcite.rel.type.RelDataType rowType) provide a public method to create an instance of DrillProjectRel.
LogicalOperator	implement(DrillImplementor implementor)

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

computeSelfCost, 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, 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

DrillProjectRel

protected DrillProjectRel(org.apache.calcite.plan.RelOptCluster cluster,
                          org.apache.calcite.plan.RelTraitSet traits,
                          org.apache.calcite.rel.RelNode child,
                          List<? extends org.apache.calcite.rex.RexNode> exps,
                          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> exps,
                                                org.apache.calcite.rel.type.RelDataType rowType)

Specified by:

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

implement

public LogicalOperator implement(DrillImplementor implementor)

Specified by:

implement in interface DrillRel

convert

public static DrillProjectRel convert(Project project,
                                      ConversionContext context)
                               throws org.apache.calcite.rel.InvalidRelException

Throws:

org.apache.calcite.rel.InvalidRelException

create

public static DrillProjectRel create(org.apache.calcite.plan.RelOptCluster cluster,
                                     org.apache.calcite.plan.RelTraitSet traits,
                                     org.apache.calcite.rel.RelNode child,
                                     List<? extends org.apache.calcite.rex.RexNode> exps,
                                     org.apache.calcite.rel.type.RelDataType rowType)

provide a public method to create an instance of DrillProjectRel.

Parameters:

cluster -

traits -

child -

exps -

rowType -

Returns:

new instance of DrillProjectRel