# Package org.h2.expression.aggregate

Aggregate functions.

See: Description

Class Summary
Class | Description
--- | ---
AbstractAggregate | A base class for aggregate functions.
Aggregate | Implements the integrated aggregate functions, such as COUNT, MAX, SUM.
JavaAggregate | This class wraps a user-defined aggregate.

Enum Summary
Enum | Description
--- | ---
AggregateType | The type of an aggregate function.

## Package org.h2.expression.aggregate Description

Aggregate functions.