org.apache.shardingsphere.sharding.merge.dql.groupby.aggregation

类 AggregationUnitFactory

java.lang.Object

org.apache.shardingsphere.sharding.merge.dql.groupby.aggregation.AggregationUnitFactory

public final class AggregationUnitFactory
extends Object

Aggregation unit factory.

构造器概要

构造器

构造器和说明
AggregationUnitFactory()

方法概要

限定符和类型	方法和说明
static AggregationUnit	create(org.apache.shardingsphere.sql.parser.sql.common.constant.AggregationType type, boolean isDistinct) Create aggregation unit instance.

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

AggregationUnitFactory

public AggregationUnitFactory()

方法详细资料

create

public static AggregationUnit create(org.apache.shardingsphere.sql.parser.sql.common.constant.AggregationType type,
                                     boolean isDistinct)

Create aggregation unit instance.

参数:

type - aggregation function type

isDistinct - is distinct

返回:

aggregation unit instance