org.apache.calcite.adapter.cassandra

Class CassandraSort

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.calcite.rel.core.Sort

org.apache.calcite.adapter.cassandra.CassandraSort

All Implemented Interfaces:

Cloneable, CassandraRel, RelOptNode, RelNode

public class CassandraSort
extends Sort
implements CassandraRel

Implementation of Sort relational expression in Cassandra.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.adapter.cassandra.CassandraRel

CassandraRel.Implementor

Field Summary

Fields

Modifier and Type	Field and Description
private RelCollation	implicitCollation

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

collation, fetch, fieldExps, offset

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.calcite.adapter.cassandra.CassandraRel

CONVENTION

Constructor Summary

Constructors

Constructor and Description
CassandraSort(RelOptCluster cluster, RelTraitSet traitSet, RelNode child, RelCollation collation, RelCollation implicitCollation, RexNode fetch)

Method Summary

Methods

Modifier and Type	Method and Description
RelOptCost	computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
Sort	copy(RelTraitSet traitSet, RelNode input, RelCollation newCollation, RexNode offset, RexNode fetch)
void	implement(CassandraRel.Implementor implementor)

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

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

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, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getQuery, getRelTypeName, getRows, getRowType, getTable, getTraitSet, getVariablesSet, getVariablesStopped, isDistinct, isKey, isValid, 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, 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

Field Detail

implicitCollation

private final RelCollation implicitCollation

Constructor Detail

CassandraSort

public CassandraSort(RelOptCluster cluster,
             RelTraitSet traitSet,
             RelNode child,
             RelCollation collation,
             RelCollation implicitCollation,
             RexNode fetch)

Method Detail

computeSelfCost

public RelOptCost computeSelfCost(RelOptPlanner planner,
                         RelMetadataQuery mq)

Specified by:

computeSelfCost in interface RelNode

Overrides:

computeSelfCost in class Sort

copy

public Sort copy(RelTraitSet traitSet,
        RelNode input,
        RelCollation newCollation,
        RexNode offset,
        RexNode fetch)

Specified by:

copy in class Sort

implement

public void implement(CassandraRel.Implementor implementor)

Specified by:

implement in interface CassandraRel