类的使用
org.h2.expression.aggregate.AbstractAggregate

使用AbstractAggregate的程序包

程序包	说明
org.h2.expression.aggregate	Aggregate functions.

org.h2.expression.aggregate中AbstractAggregate的使用

org.h2.expression.aggregate中AbstractAggregate的子类

限定符和类型	类和说明
class	Aggregate Implements the integrated aggregate functions, such as COUNT, MAX, SUM.
class	JavaAggregate This class wraps a user-defined aggregate.