org.apache.calcite.rel.logical

Class LogicalSort

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.calcite.rel.core.Sort

org.apache.calcite.rel.logical.LogicalSort

All Implemented Interfaces:

Cloneable, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.hint.Hintable, org.apache.calcite.rel.RelNode

public final class LogicalSort
extends Sort

Sub-class of Sort not targeted at any particular engine or calling convention.

Temporarily copy from calcite to cherry-pick [CALCITE-5107] and will be removed when upgrade the latest calcite.

Nested Class Summary

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.Sort

collation, fetch, hints, offset

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
LogicalSort(org.apache.calcite.rel.RelInput input) Creates a LogicalSort by parsing serialized output.

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.RelNode	accept(org.apache.calcite.rel.RelShuttle shuttle)
Sort	copy(org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode newInput, org.apache.calcite.rel.RelCollation newCollation, org.apache.calcite.rex.RexNode offset, org.apache.calcite.rex.RexNode fetch)
static LogicalSort	create(org.apache.calcite.rel.RelNode input, org.apache.calcite.rel.RelCollation collation, org.apache.calcite.rex.RexNode offset, org.apache.calcite.rex.RexNode fetch) Creates a LogicalSort.
org.apache.calcite.rel.RelNode	withHints(List<org.apache.calcite.rel.hint.RelHint> hintList)

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

accept, computeSelfCost, copy, copy, explainTerms, getCollation, getHints, getSortExps, isEnforcer

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

childrenAccept, deriveRowType, estimateRowCount, getInput, getInputs, replaceInput

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

collectVariablesSet, collectVariablesUsed, deepEquals, deepHashCode, equals, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getRelDigest, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesSet, hashCode, 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.hint.Hintable

attachHints

Methods inherited from interface org.apache.calcite.rel.RelNode

explain

Constructor Detail

LogicalSort

public LogicalSort(org.apache.calcite.rel.RelInput input)

Creates a LogicalSort by parsing serialized output.

Method Detail

create

public static LogicalSort create(org.apache.calcite.rel.RelNode input,
                                 org.apache.calcite.rel.RelCollation collation,
                                 org.apache.calcite.rex.RexNode offset,
                                 org.apache.calcite.rex.RexNode fetch)

Creates a LogicalSort.

Parameters:

input - Input relational expression

collation - array of sort specifications

offset - Expression for number of rows to discard before returning first row

fetch - Expression for number of rows to fetch

copy

public Sort copy(org.apache.calcite.plan.RelTraitSet traitSet,
                 org.apache.calcite.rel.RelNode newInput,
                 org.apache.calcite.rel.RelCollation newCollation,
                 org.apache.calcite.rex.RexNode offset,
                 org.apache.calcite.rex.RexNode fetch)

Specified by:

copy in class Sort

accept

public org.apache.calcite.rel.RelNode accept(org.apache.calcite.rel.RelShuttle shuttle)

Specified by:

accept in interface org.apache.calcite.rel.RelNode

Overrides:

accept in class org.apache.calcite.rel.AbstractRelNode

withHints

public org.apache.calcite.rel.RelNode withHints(List<org.apache.calcite.rel.hint.RelHint> hintList)