接口的使用
org.apache.shardingsphere.sharding.merge.dql.groupby.aggregation.AggregationUnit

使用AggregationUnit的程序包

程序包	说明
org.apache.shardingsphere.sharding.merge.dql.groupby.aggregation

org.apache.shardingsphere.sharding.merge.dql.groupby.aggregation中AggregationUnit的使用

实现AggregationUnit的org.apache.shardingsphere.sharding.merge.dql.groupby.aggregation中的类

限定符和类型	类和说明
class	AccumulationAggregationUnit Accumulation aggregation unit.
class	AverageAggregationUnit Average aggregation unit.
class	BitXorAggregationUnit BIT_XOR aggregation unit.
class	ComparableAggregationUnit Comparable aggregation unit.
class	DistinctAverageAggregationUnit Distinct average aggregation unit.
class	DistinctCountAggregationUnit Distinct count aggregation unit.
class	DistinctSumAggregationUnit Distinct sum aggregation unit.

返回AggregationUnit的org.apache.shardingsphere.sharding.merge.dql.groupby.aggregation中的方法

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