org.apache.kylin.query.relnode

Class OLAPSortRel

java.lang.Object

org.eigenbase.rel.AbstractRelNode

org.eigenbase.rel.SingleRel

org.eigenbase.rel.SortRel

org.apache.kylin.query.relnode.OLAPSortRel

All Implemented Interfaces:

Cloneable, net.hydromatic.optiq.rules.java.EnumerableRel, OLAPRel, org.eigenbase.rel.RelNode, org.eigenbase.relopt.RelOptNode

public class OLAPSortRel
extends org.eigenbase.rel.SortRel
implements net.hydromatic.optiq.rules.java.EnumerableRel, OLAPRel

Author:

xjiang

Nested Class Summary

Nested classes/interfaces inherited from interface net.hydromatic.optiq.rules.java.EnumerableRel

net.hydromatic.optiq.rules.java.EnumerableRel.Prefer, net.hydromatic.optiq.rules.java.EnumerableRel.Result

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

OLAPRel.JavaImplementor, OLAPRel.OLAPImplementor, OLAPRel.RewriteImplementor

Field Summary

Fields inherited from class org.eigenbase.rel.SortRel

collation, fetch, fieldExps, offset

Fields inherited from class org.eigenbase.rel.AbstractRelNode

digest, id, rowType, traitSet

Fields inherited from interface net.hydromatic.optiq.rules.java.EnumerableRel

FILTER_FACTORY, PROJECT_FACTORY

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

CONVENTION, logger

Constructor Summary

Constructors

Constructor and Description
OLAPSortRel(org.eigenbase.relopt.RelOptCluster cluster, org.eigenbase.relopt.RelTraitSet traitSet, org.eigenbase.rel.RelNode child, org.eigenbase.rel.RelCollation collation, org.eigenbase.rex.RexNode offset, org.eigenbase.rex.RexNode fetch)

Method Summary

Methods

Modifier and Type	Method and Description
org.eigenbase.relopt.RelOptCost	computeSelfCost(org.eigenbase.relopt.RelOptPlanner planner)
OLAPSortRel	copy(org.eigenbase.relopt.RelTraitSet traitSet, org.eigenbase.rel.RelNode newInput, org.eigenbase.rel.RelCollation newCollation, org.eigenbase.rex.RexNode offset, org.eigenbase.rex.RexNode fetch)
ColumnRowType	getColumnRowType() get the row type of ColumnDesc
OLAPContext	getContext() get olap context
boolean	hasSubQuery() whether has sub query
net.hydromatic.optiq.rules.java.EnumerableRel.Result	implement(net.hydromatic.optiq.rules.java.EnumerableRelImplementor implementor, net.hydromatic.optiq.rules.java.EnumerableRel.Prefer pref)
void	implementOLAP(OLAPRel.OLAPImplementor implementor)
void	implementRewrite(OLAPRel.RewriteImplementor implementor)
org.eigenbase.relopt.RelTraitSet	replaceTraitSet(org.eigenbase.relopt.RelTrait trait) replace RelTraitSet

Methods inherited from class org.eigenbase.rel.SortRel

accept, copy, copy, explainTerms, getChildExps, getCollation, getCollationList

Methods inherited from class org.eigenbase.rel.SingleRel

childrenAccept, deriveRowType, getChild, getInputs, getRows, replaceInput

Methods inherited from class org.eigenbase.rel.AbstractRelNode

collectVariablesSet, collectVariablesUsed, computeDigest, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getOrCreateCorrelVariable, getQuery, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesStopped, isDistinct, isKey, isValid, metadata, onRegister, recomputeDigest, register, registerCorrelVariable, setCorrelVariable, sole, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eigenbase.rel.RelNode

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

Methods inherited from interface org.eigenbase.relopt.RelOptNode

getCluster, getDescription, getDigest, getId, getTraitSet

Constructor Detail

OLAPSortRel

public OLAPSortRel(org.eigenbase.relopt.RelOptCluster cluster,
           org.eigenbase.relopt.RelTraitSet traitSet,
           org.eigenbase.rel.RelNode child,
           org.eigenbase.rel.RelCollation collation,
           org.eigenbase.rex.RexNode offset,
           org.eigenbase.rex.RexNode fetch)

Method Detail

copy

public OLAPSortRel copy(org.eigenbase.relopt.RelTraitSet traitSet,
               org.eigenbase.rel.RelNode newInput,
               org.eigenbase.rel.RelCollation newCollation,
               org.eigenbase.rex.RexNode offset,
               org.eigenbase.rex.RexNode fetch)

Overrides:

copy in class org.eigenbase.rel.SortRel

computeSelfCost

public org.eigenbase.relopt.RelOptCost computeSelfCost(org.eigenbase.relopt.RelOptPlanner planner)

Specified by:

computeSelfCost in interface org.eigenbase.rel.RelNode

Overrides:

computeSelfCost in class org.eigenbase.rel.SortRel

implementOLAP

public void implementOLAP(OLAPRel.OLAPImplementor implementor)

Specified by:

implementOLAP in interface OLAPRel

implementRewrite

public void implementRewrite(OLAPRel.RewriteImplementor implementor)

Specified by:

implementRewrite in interface OLAPRel

implement

public net.hydromatic.optiq.rules.java.EnumerableRel.Result implement(net.hydromatic.optiq.rules.java.EnumerableRelImplementor implementor,
                                                             net.hydromatic.optiq.rules.java.EnumerableRel.Prefer pref)

Specified by:

implement in interface net.hydromatic.optiq.rules.java.EnumerableRel

getContext

public OLAPContext getContext()

Description copied from interface: OLAPRel

get olap context

Specified by:

getContext in interface OLAPRel

getColumnRowType

public ColumnRowType getColumnRowType()

Description copied from interface: OLAPRel

get the row type of ColumnDesc

Specified by:

getColumnRowType in interface OLAPRel

Returns:

hasSubQuery

public boolean hasSubQuery()

Description copied from interface: OLAPRel

whether has sub query

Specified by:

hasSubQuery in interface OLAPRel

replaceTraitSet

public org.eigenbase.relopt.RelTraitSet replaceTraitSet(org.eigenbase.relopt.RelTrait trait)

Description copied from interface: OLAPRel

replace RelTraitSet

Specified by:

replaceTraitSet in interface OLAPRel