org.apache.shardingsphere.infra.federation.optimizer.metadata.statistic

类 FederationStatistic

java.lang.Object

org.apache.shardingsphere.infra.federation.optimizer.metadata.statistic.FederationStatistic

所有已实现的接口:

org.apache.calcite.schema.Statistic

public final class FederationStatistic
extends Object
implements org.apache.calcite.schema.Statistic

Statistic of federation table.

构造器概要

构造器

构造器和说明
FederationStatistic()

方法概要

限定符和类型	方法和说明
List<org.apache.calcite.rel.RelCollation>	getCollations()
org.apache.calcite.rel.RelDistribution	getDistribution()
List<org.apache.calcite.rel.RelReferentialConstraint>	getReferentialConstraints()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.calcite.schema.Statistic

getKeys, getRowCount, isKey

构造器详细资料

FederationStatistic

public FederationStatistic()

方法详细资料

getReferentialConstraints

public List<org.apache.calcite.rel.RelReferentialConstraint> getReferentialConstraints()

指定者:

getReferentialConstraints 在接口中 org.apache.calcite.schema.Statistic

getCollations

public List<org.apache.calcite.rel.RelCollation> getCollations()

指定者:

getCollations 在接口中 org.apache.calcite.schema.Statistic

getDistribution

public org.apache.calcite.rel.RelDistribution getDistribution()

指定者:

getDistribution 在接口中 org.apache.calcite.schema.Statistic