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

Packages that use Union

Package	Description
org.apache.calcite.adapter.enumerable	Query optimizer rules for Java calling convention.
org.apache.calcite.adapter.jdbc	Query provider based on a JDBC data source.
org.apache.calcite.interpreter	Provides an implementation of relational expressions using an interpreter.
org.apache.calcite.rel.logical	Defines logical relational expressions.
org.apache.calcite.rel.metadata	Defines metadata interfaces and utilities for relational expressions.
org.apache.calcite.rel.rules	Provides a core set of planner rules.

Uses of Union in org.apache.calcite.adapter.enumerable

Subclasses of Union in org.apache.calcite.adapter.enumerable

Modifier and Type	Class and Description
class	EnumerableUnion Implementation of Union in enumerable calling convention.

Uses of Union in org.apache.calcite.adapter.jdbc

Subclasses of Union in org.apache.calcite.adapter.jdbc

Modifier and Type	Class and Description
static class	JdbcRules.JdbcUnion Union operator implemented in JDBC convention.

Uses of Union in org.apache.calcite.interpreter

Subclasses of Union in org.apache.calcite.interpreter

Modifier and Type	Class and Description
static class	Bindables.BindableUnion Implementation of Union in bindable calling convention.

Methods in org.apache.calcite.interpreter with parameters of type Union

Modifier and Type	Method and Description
void	Nodes.CoreCompiler.visit(Union union)

Constructors in org.apache.calcite.interpreter with parameters of type Union

Constructor and Description
UnionNode(Interpreter interpreter, Union rel)

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

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

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

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

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

Modifier and Type	Method and Description
List<Double>	RelMdSize.averageColumnSizes(Union rel)
Double	RelMdDistinctRowCount.getDistinctRowCount(Union rel, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdPercentageOriginalRows.getPercentageOriginalRows(Union rel)
Double	RelMdPopulationSize.getPopulationSize(Union rel, ImmutableBitSet groupKey)
RelOptPredicateList	RelMdPredicates.getPredicates(Union union) Infers predicates for a Union.
Double	RelMdRowCount.getRowCount(Union rel)
Double	RelMdSelectivity.getSelectivity(Union rel, RexNode predicate)

Uses of Union in org.apache.calcite.rel.rules

Constructor parameters in org.apache.calcite.rel.rules with type arguments of type Union

Constructor and Description
AggregateUnionAggregateRule(Class<? extends Aggregate> aggregateClass, RelFactories.AggregateFactory aggregateFactory, Class<? extends Union> unionClass, RelFactories.SetOpFactory setOpFactory) Creates a AggregateUnionAggregateRule.
AggregateUnionTransposeRule(Class<? extends Aggregate> aggregateClass, RelFactories.AggregateFactory aggregateFactory, Class<? extends Union> unionClass, RelFactories.SetOpFactory setOpFactory) Constructor.
UnionMergeRule(Class<? extends Union> clazz, RelFactories.SetOpFactory setOpFactory) Creates a UnionMergeRule.
UnionToDistinctRule(Class<? extends Union> clazz, RelFactories.SetOpFactory setOpFactory) Creates a UnionToDistinctRule.