Declares the base functionality for custom aggregate functions.
Related API Members
The following members accept/return ICustomAggregate objects:
Implement this interface to create a custom aggregate function. To support additional functionality with a custom aggregate function, implement the following interfaces:
- ICustomAggregateFormattable, to format a database-specific SQL command;
- ICustomAggregateQueryable, to use the custom aggregate function in LINQ to XPO expressions;
- ICustomAggregateConvertibleToExpression, to make the custom aggregate function convertible to a LINQ Expression.