Uses of Class
org.apache.calcite.rel.core.Exchange

Packages that use Exchange

Package	Description
org.apache.calcite.rel.core	Defines core relational expressions.
org.apache.calcite.rel.logical	Defines logical relational expressions.
org.apache.calcite.rel.metadata	Defines metadata interfaces and utilities for relational expressions.

Uses of Exchange in org.apache.calcite.rel.core

Subclasses of Exchange in org.apache.calcite.rel.core

Modifier and Type	Class and Description
class	SortExchange Relational expression that performs Exchange and Sort simultaneously.

Methods in org.apache.calcite.rel.core that return Exchange

Modifier and Type	Method and Description
Exchange	Exchange.copy(RelTraitSet traitSet, List<RelNode> inputs)
abstract Exchange	Exchange.copy(RelTraitSet traitSet, RelNode newInput, RelDistribution newDistribution)

Uses of Exchange in org.apache.calcite.rel.logical

Subclasses of Exchange in org.apache.calcite.rel.logical

Modifier and Type	Class and Description
class	LogicalExchange Sub-class of Exchange not targeted at any particular engine or calling convention.

Methods in org.apache.calcite.rel.logical that return Exchange

Modifier and Type	Method and Description
Exchange	LogicalExchange.copy(RelTraitSet traitSet, RelNode newInput, RelDistribution newDistribution)

Uses of Exchange in org.apache.calcite.rel.metadata

Methods in org.apache.calcite.rel.metadata with parameters of type Exchange

Modifier and Type	Method and Description
Boolean	RelMdColumnUniqueness.areColumnsUnique(Exchange rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
List<Double>	RelMdSize.averageColumnSizes(Exchange rel, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(Exchange exchange, RelMetadataQuery mq)
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(Exchange exchange, RelMetadataQuery mq) Extract predicates for an Exchange.
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(Exchange rel, RelMetadataQuery mq, int iOutputColumn)
Double	RelMdDistinctRowCount.getDistinctRowCount(Exchange rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(Exchange rel, RelMetadataQuery mq, RexNode outputExpression) Expression lineage from Exchange.
Double	RelMdPopulationSize.getPopulationSize(Exchange rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
RelOptPredicateList	RelMdPredicates.getPredicates(Exchange exchange, RelMetadataQuery mq) Infers predicates for an Exchange.
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(Exchange rel, RelMetadataQuery mq) Table references from Exchange.
Boolean	RelMdParallelism.isPhaseTransition(Exchange rel, RelMetadataQuery mq)