org.apache.shardingsphere.infra.federation.optimizer.planner

类 QueryOptimizePlannerFactory

java.lang.Object

org.apache.shardingsphere.infra.federation.optimizer.planner.QueryOptimizePlannerFactory

public final class QueryOptimizePlannerFactory
extends Object

Query optimize planner factory.

构造器概要

构造器

构造器和说明
QueryOptimizePlannerFactory()

方法概要

限定符和类型	方法和说明
static org.apache.calcite.plan.RelOptPlanner	createHepPlanner() Create new instance of hep planner.
static org.apache.calcite.plan.RelOptPlanner	createHepPlannerWithCalc() Create new instance of hep planner with calc rules.
static org.apache.calcite.plan.RelOptPlanner	createHepPlannerWithoutCalc() Create new instance of hep planner without calc rules.
static org.apache.calcite.plan.RelOptPlanner	createVolcanoPlanner() Create new instance of volcano planner.

从类继承的方法 java.lang.Object

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

构造器详细资料

QueryOptimizePlannerFactory

public QueryOptimizePlannerFactory()

方法详细资料

createVolcanoPlanner

public static org.apache.calcite.plan.RelOptPlanner createVolcanoPlanner()

Create new instance of volcano planner.

返回:

volcano planner instance

createHepPlannerWithoutCalc

public static org.apache.calcite.plan.RelOptPlanner createHepPlannerWithoutCalc()

Create new instance of hep planner without calc rules.

返回:

hep planner instance

createHepPlannerWithCalc

public static org.apache.calcite.plan.RelOptPlanner createHepPlannerWithCalc()

Create new instance of hep planner with calc rules.

返回:

hep planner instance

createHepPlanner

public static org.apache.calcite.plan.RelOptPlanner createHepPlanner()

Create new instance of hep planner.

返回:

hep planner instance