org.apache.beam.sdk.extensions.sql.impl.rel

Class BeamCalcRel

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.calcite.rel.core.Calc

org.apache.beam.sdk.extensions.sql.impl.rel.BeamCalcRel

All Implemented Interfaces:

java.lang.Cloneable, BeamRelNode, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode

public class BeamCalcRel
extends org.apache.calcite.rel.core.Calc
implements BeamRelNode

BeamRelNode to replace a Project node.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BeamCalcRel.CalcFn CalcFn is the executor for a BeamCalcRel step.

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.Calc

program

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
BeamCalcRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.rel.RelNode input, org.apache.calcite.rex.RexProgram program)

Method Summary

Modifier and Type	Method and Description
PTransform<PCollectionList<Row>,PCollection<Row>>	buildPTransform()
org.apache.calcite.rel.core.Calc	copy(org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode input, org.apache.calcite.rex.RexProgram program)
int	getLimitCountOfSortRel()
boolean	isInputSortRelAndLimitOnly()

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

accept, computeSelfCost, copy, copy, estimateRowCount, explainTerms, getProgram, isValid

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

childrenAccept, deriveRowType, getInput, getInputs, replaceInput

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

accept, collectVariablesSet, collectVariablesUsed, computeDigest, computeSelfCost, explain, getChildExps, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getQuery, getRelTypeName, getRows, getRowType, getTable, getTraitSet, getVariablesSet, getVariablesStopped, isDistinct, isKey, isValid, metadata, onRegister, recomputeDigest, register, sole, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.beam.sdk.extensions.sql.impl.rel.BeamRelNode

getPCollectionInputs, getPipelineOptions

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

BeamCalcRel

public BeamCalcRel(org.apache.calcite.plan.RelOptCluster cluster,
                   org.apache.calcite.plan.RelTraitSet traits,
                   org.apache.calcite.rel.RelNode input,
                   org.apache.calcite.rex.RexProgram program)

Method Detail

copy

public org.apache.calcite.rel.core.Calc copy(org.apache.calcite.plan.RelTraitSet traitSet,
                                             org.apache.calcite.rel.RelNode input,
                                             org.apache.calcite.rex.RexProgram program)

Specified by:

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

buildPTransform

public PTransform<PCollectionList<Row>,PCollection<Row>> buildPTransform()

Specified by:

buildPTransform in interface BeamRelNode

getLimitCountOfSortRel

public int getLimitCountOfSortRel()

isInputSortRelAndLimitOnly

public boolean isInputSortRelAndLimitOnly()