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

Class HiveSortExchange

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.calcite.rel.core.Exchange

org.apache.calcite.rel.core.SortExchange

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

All Implemented Interfaces:

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

public final class HiveSortExchange
extends org.apache.calcite.rel.core.SortExchange
implements HiveRelNode

Hive extension of calcite SortExchange. Add support of keys used when sorting or joining.

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.SortExchange

collation

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

distribution

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

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.core.SortExchange	copy(org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode newInput, org.apache.calcite.rel.RelDistribution newDistribution, org.apache.calcite.rel.RelCollation newCollation)
static HiveSortExchange	create(org.apache.calcite.rel.RelNode input, org.apache.calcite.rel.RelDistribution distribution, org.apache.calcite.rel.RelCollation collation)
static HiveSortExchange	create(org.apache.calcite.rel.RelNode input, org.apache.calcite.rel.RelDistribution distribution, org.apache.calcite.rel.RelCollation collation, com.google.common.collect.ImmutableList<org.apache.calcite.rex.RexNode> keys) Creates a HiveSortExchange.
ExprNodeDesc[]	getKeyExpressions()
com.google.common.collect.ImmutableList<org.apache.calcite.rex.RexNode>	getKeys()
void	setKeyExpressions(ExprNodeDesc[] keyExpressions)

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

copy, explainTerms, getCollation

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

computeSelfCost, copy, getDistribution

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

Method Detail

create

public static HiveSortExchange create(org.apache.calcite.rel.RelNode input,
                                      org.apache.calcite.rel.RelDistribution distribution,
                                      org.apache.calcite.rel.RelCollation collation,
                                      com.google.common.collect.ImmutableList<org.apache.calcite.rex.RexNode> keys)

Creates a HiveSortExchange.

Parameters:

input - Input relational expression

distribution - Distribution specification

collation - Collation specification

keys - Keys specification

create

public static HiveSortExchange create(org.apache.calcite.rel.RelNode input,
                                      org.apache.calcite.rel.RelDistribution distribution,
                                      org.apache.calcite.rel.RelCollation collation)

copy

public org.apache.calcite.rel.core.SortExchange copy(org.apache.calcite.plan.RelTraitSet traitSet,
                                                     org.apache.calcite.rel.RelNode newInput,
                                                     org.apache.calcite.rel.RelDistribution newDistribution,
                                                     org.apache.calcite.rel.RelCollation newCollation)

Specified by:

copy in class org.apache.calcite.rel.core.SortExchange

getKeys

public com.google.common.collect.ImmutableList<org.apache.calcite.rex.RexNode> getKeys()

getKeyExpressions

public ExprNodeDesc[] getKeyExpressions()

setKeyExpressions

public void setKeyExpressions(ExprNodeDesc[] keyExpressions)