org.apache.kylin.query.relnode

Class OLAPJoinRel

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.BiRel

org.apache.calcite.rel.core.Join

org.apache.calcite.rel.core.EquiJoin

org.apache.calcite.adapter.enumerable.EnumerableJoin

org.apache.kylin.query.relnode.OLAPJoinRel

All Implemented Interfaces:

Cloneable, EnumerableRel, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode, OLAPRel

public class OLAPJoinRel
extends EnumerableJoin
implements OLAPRel

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.kylin.query.relnode.OLAPRel

OLAPRel.JavaImplementor, OLAPRel.OLAPImplementor, OLAPRel.RewriteImplementor

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

org.apache.calcite.rel.RelNode.Context

Nested classes/interfaces inherited from interface org.apache.calcite.adapter.enumerable.EnumerableRel

EnumerableRel.Prefer, EnumerableRel.Result

Field Summary

Fields

Modifier and Type	Field and Description
protected ColumnRowType	columnRowType
protected int	columnRowTypeLeftRightCut
protected static Constructor<EnumerableJoin>	constr
protected OLAPContext	context
protected boolean	hasSubQuery
protected boolean	isTopJoin

Fields inherited from class org.apache.calcite.rel.core.EquiJoin

leftKeys, rightKeys

Fields inherited from class org.apache.calcite.rel.core.Join

condition, joinType, variablesSet

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

left, right

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

digest, id, rowType, traitSet

Fields inherited from interface org.apache.kylin.query.relnode.OLAPRel

CONVENTION, logger

Fields inherited from interface org.apache.calcite.adapter.enumerable.EnumerableRel

FILTER_FACTORY, PROJECT_FACTORY

Constructor Summary

Constructors

Constructor and Description

OLAPJoinRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.rel.RelNode left, org.apache.calcite.rel.RelNode right, org.apache.calcite.rex.RexNode condition, org.apache.calcite.util.ImmutableIntList leftKeys, org.apache.calcite.util.ImmutableIntList rightKeys, Set<org.apache.calcite.rel.core.CorrelationId> variablesSet, org.apache.calcite.rel.core.JoinRelType joinType)

Method Summary

Methods

Modifier and Type	Method and Description
protected ColumnRowType	buildColumnRowType()
protected org.apache.kylin.metadata.model.JoinDesc	buildJoin(org.apache.calcite.rex.RexCall condition)
org.apache.calcite.plan.RelOptCost	computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
EnumerableJoin	copy(org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rex.RexNode conditionExpr, org.apache.calcite.rel.RelNode left, org.apache.calcite.rel.RelNode right, org.apache.calcite.rel.core.JoinRelType joinType, boolean semiJoinDone)
double	estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery mq)
org.apache.calcite.rel.RelWriter	explainTerms(org.apache.calcite.rel.RelWriter pw)
ColumnRowType	getColumnRowType() get the row type of ColumnDesc
OLAPContext	getContext() get olap context
boolean	hasSubQuery() whether has sub query
EnumerableRel.Result	implement(EnumerableRelImplementor implementor, EnumerableRel.Prefer pref)
EnumerableRel	implementEnumerable(List<EnumerableRel> inputs)
void	implementOLAP(OLAPRel.OLAPImplementor implementor)
void	implementRewrite(OLAPRel.RewriteImplementor implementor)
protected boolean	isParentMerelyPermutation(OLAPRel.OLAPImplementor implementor)
org.apache.calcite.plan.RelTraitSet	replaceTraitSet(org.apache.calcite.plan.RelTrait trait) replace RelTraitSet
protected void	translateJoinColumn(org.apache.calcite.rex.RexNode condition, Map<org.apache.kylin.metadata.model.TblColRef,org.apache.kylin.metadata.model.TblColRef> joinCol)

Methods inherited from class org.apache.calcite.adapter.enumerable.EnumerableJoin

create, create

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

analyzeCondition, getLeftKeys, getRightKeys

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

accept, copy, createJoinType, deriveJoinRowType, deriveRowType, estimateJoinedRows, getChildExps, getCondition, getJoinType, getSystemFieldList, getVariablesSet, isSemiJoinDone, isValid

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

childrenAccept, getInputs, getLeft, getRight, replaceInput

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

accept, collectVariablesSet, collectVariablesUsed, computeDigest, computeSelfCost, explain, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getQuery, getRelTypeName, getRows, getRowType, getTable, getTraitSet, 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.calcite.rel.RelNode

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, copy, 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

Field Detail

context

protected OLAPContext context

columnRowType

protected ColumnRowType columnRowType

columnRowTypeLeftRightCut

protected int columnRowTypeLeftRightCut

isTopJoin

protected boolean isTopJoin

hasSubQuery

protected boolean hasSubQuery

constr

protected static Constructor<EnumerableJoin> constr

Constructor Detail

OLAPJoinRel

public OLAPJoinRel(org.apache.calcite.plan.RelOptCluster cluster,
           org.apache.calcite.plan.RelTraitSet traits,
           org.apache.calcite.rel.RelNode left,
           org.apache.calcite.rel.RelNode right,
           org.apache.calcite.rex.RexNode condition,
           org.apache.calcite.util.ImmutableIntList leftKeys,
           org.apache.calcite.util.ImmutableIntList rightKeys,
           Set<org.apache.calcite.rel.core.CorrelationId> variablesSet,
           org.apache.calcite.rel.core.JoinRelType joinType)
            throws org.apache.calcite.rel.InvalidRelException

Throws:

org.apache.calcite.rel.InvalidRelException

Method Detail

copy

public EnumerableJoin copy(org.apache.calcite.plan.RelTraitSet traitSet,
                  org.apache.calcite.rex.RexNode conditionExpr,
                  org.apache.calcite.rel.RelNode left,
                  org.apache.calcite.rel.RelNode right,
                  org.apache.calcite.rel.core.JoinRelType joinType,
                  boolean semiJoinDone)

Overrides:

copy in class EnumerableJoin

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 EnumerableJoin

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.core.Join

isParentMerelyPermutation

protected boolean isParentMerelyPermutation(OLAPRel.OLAPImplementor implementor)

implementOLAP

public void implementOLAP(OLAPRel.OLAPImplementor implementor)

Specified by:

implementOLAP in interface OLAPRel

buildColumnRowType

protected ColumnRowType buildColumnRowType()

buildJoin

protected org.apache.kylin.metadata.model.JoinDesc buildJoin(org.apache.calcite.rex.RexCall condition)

translateJoinColumn

protected void translateJoinColumn(org.apache.calcite.rex.RexNode condition,
                       Map<org.apache.kylin.metadata.model.TblColRef,org.apache.kylin.metadata.model.TblColRef> joinCol)

implementEnumerable

public EnumerableRel implementEnumerable(List<EnumerableRel> inputs)

Specified by:

implementEnumerable in interface OLAPRel

implement

public EnumerableRel.Result implement(EnumerableRelImplementor implementor,
                             EnumerableRel.Prefer pref)

Specified by:

implement in interface EnumerableRel

Overrides:

implement in class EnumerableJoin

getColumnRowType

public ColumnRowType getColumnRowType()

Description copied from interface: OLAPRel

get the row type of ColumnDesc

Specified by:

getColumnRowType in interface OLAPRel

Returns:

implementRewrite

public void implementRewrite(OLAPRel.RewriteImplementor implementor)

Specified by:

implementRewrite in interface OLAPRel

getContext

public OLAPContext getContext()

Description copied from interface: OLAPRel

get olap context

Specified by:

getContext in interface OLAPRel

hasSubQuery

public boolean hasSubQuery()

Description copied from interface: OLAPRel

whether has sub query

Specified by:

hasSubQuery in interface OLAPRel

replaceTraitSet

public org.apache.calcite.plan.RelTraitSet replaceTraitSet(org.apache.calcite.plan.RelTrait trait)

Description copied from interface: OLAPRel

replace RelTraitSet

Specified by:

replaceTraitSet in interface OLAPRel

explainTerms

public org.apache.calcite.rel.RelWriter explainTerms(org.apache.calcite.rel.RelWriter pw)

Overrides:

explainTerms in class org.apache.calcite.rel.core.Join