org.apache.hadoop.hive.ql.optimizer.calcite.reloperators

Class HiveSortLimit

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.calcite.rel.core.Sort

org.apache.hadoop.hive.ql.optimizer.calcite.reloperators.HiveSortLimit

All Implemented Interfaces:

Cloneable, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode, HiveRelNode

public class HiveSortLimit
extends org.apache.calcite.rel.core.Sort
implements HiveRelNode

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, 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.hadoop.hive.ql.optimizer.calcite.reloperators.HiveRelNode

CONVENTION

Constructor Summary

Constructors

Constructor and Description
HiveSortLimit(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode child, org.apache.calcite.rel.RelCollation collation, org.apache.calcite.rex.RexNode offset, org.apache.calcite.rex.RexNode fetch)

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.RelNode	accept(org.apache.calcite.rel.RelShuttle shuttle)
HiveSortLimit	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 HiveSortLimit	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 HiveSortLimit.
org.apache.calcite.rex.RexNode	getFetchExpr()
Map<Integer,org.apache.calcite.rex.RexNode>	getInputRefToCallMap()
org.apache.calcite.rex.RexNode	getOffsetExpr()
boolean	isRuleCreated()
void	setInputRefToCallMap(com.google.common.collect.ImmutableMap<Integer,org.apache.calcite.rex.RexNode> refToCall)
void	setRuleCreated(boolean ruleCreated)

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

accept, computeSelfCost, copy, copy, explainTerms, getCollation, 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.RelNode

accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, copy, deepEquals, deepHashCode, estimateRowCount, explain, getConvention, getCorrelVariable, getDigest, getExpectedInputRowType, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, getTable, getVariablesSet, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, replaceInput

Methods inherited from interface org.apache.calcite.plan.RelOptNode

getCluster, getDescription, getId, getTraitSet

Constructor Detail

HiveSortLimit

public HiveSortLimit(org.apache.calcite.plan.RelOptCluster cluster,
                     org.apache.calcite.plan.RelTraitSet traitSet,
                     org.apache.calcite.rel.RelNode child,
                     org.apache.calcite.rel.RelCollation collation,
                     org.apache.calcite.rex.RexNode offset,
                     org.apache.calcite.rex.RexNode fetch)

Method Detail

create

public static HiveSortLimit 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 HiveSortLimit.

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 HiveSortLimit 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 org.apache.calcite.rel.core.Sort

getFetchExpr

public org.apache.calcite.rex.RexNode getFetchExpr()

getOffsetExpr

public org.apache.calcite.rex.RexNode getOffsetExpr()

setInputRefToCallMap

public void setInputRefToCallMap(com.google.common.collect.ImmutableMap<Integer,org.apache.calcite.rex.RexNode> refToCall)

getInputRefToCallMap

public Map<Integer,org.apache.calcite.rex.RexNode> getInputRefToCallMap()

isRuleCreated

public boolean isRuleCreated()

setRuleCreated

public void setRuleCreated(boolean ruleCreated)

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