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

Packages that use SemiJoin

Package	Description
org.apache.calcite.adapter.enumerable	Query optimizer rules for Java calling convention.
org.apache.calcite.rel.core	Defines core 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 SemiJoin in org.apache.calcite.adapter.enumerable

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

Modifier and Type	Class and Description
class	EnumerableSemiJoin Implementation of SemiJoin in enumerable calling convention.

Methods in org.apache.calcite.adapter.enumerable that return SemiJoin

Modifier and Type	Method and Description
SemiJoin	EnumerableSemiJoin.copy(RelTraitSet traitSet, RexNode condition, RelNode left, RelNode right, JoinRelType joinType, boolean semiJoinDone)

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

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

Modifier and Type	Method and Description
SemiJoin	SemiJoin.copy(RelTraitSet traitSet, RexNode condition, RelNode left, RelNode right, JoinRelType joinType, boolean semiJoinDone)

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

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

Modifier and Type	Method and Description
Boolean	RelMdColumnUniqueness.areColumnsUnique(SemiJoin rel, ImmutableBitSet columns, boolean ignoreNulls)
List<Double>	RelMdSize.averageColumnSizes(SemiJoin rel)
static double	RelMdUtil.computeSemiJoinSelectivity(RelNode factRel, RelNode dimRel, SemiJoin rel) Computes the selectivity of a semijoin filter if it is applied on a fact table.
static double	RelMdUtil.computeSemiJoinSelectivity(SemiJoin rel) Computes the selectivity of a semijoin filter if it is applied on a fact table.
Double	RelMdDistinctRowCount.getDistinctRowCount(SemiJoin rel, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdPopulationSize.getPopulationSize(SemiJoin rel, ImmutableBitSet groupKey)
RelOptPredicateList	RelMdPredicates.getPredicates(SemiJoin semiJoin) Infers predicates for a SemiJoin.
Double	RelMdRowCount.getRowCount(SemiJoin rel)
Double	RelMdSelectivity.getSelectivity(SemiJoin rel, RexNode predicate)
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(SemiJoin rel, boolean ignoreNulls)
static RexNode	RelMdUtil.makeSemiJoinSelectivityRexNode(SemiJoin rel) Creates a RexNode that stores a selectivity value corresponding to the selectivity of a semijoin.

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

Methods in org.apache.calcite.rel.rules that return SemiJoin

Modifier and Type	Method and Description
SemiJoin	LoptMultiJoin.getJoinRemovalSemiJoin(int dimIdx)

Methods in org.apache.calcite.rel.rules with parameters of type SemiJoin

Modifier and Type	Method and Description
void	LoptMultiJoin.setJoinRemovalSemiJoin(int dimIdx, SemiJoin semiJoin) Indicates the semijoin that allows the join of a dimension table to be removed