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

Class AggregationUnitFactory

java.lang.Object

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

public final class AggregationUnitFactory
extends Object

Aggregation unit factory.

Author:

gaohongtao

Constructor Summary

Constructors

Constructor and Description
AggregationUnitFactory()

Method Summary

Modifier and Type	Method and Description
static AggregationUnit	create(org.apache.shardingsphere.sql.parser.core.constant.AggregationType type, boolean isDistinct) Create aggregation unit instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregationUnitFactory

public AggregationUnitFactory()

Method Detail

create

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

Create aggregation unit instance.

Parameters:

type - aggregation function type

isDistinct - is distinct

Returns:

aggregation unit instance