# Package org.apache.torque.util.functions

SQL function handling

- Interface Summary
  Interface | Description
  --- | ---
  SQLFunction | Define the basic methods that classes that support SQL Functions need to implement for Classes that use them.

- Class Summary
  Class | Description
  --- | ---
  AbstractFunction | A default framework that implements the core SQLFunction interface requirements that can be used to build specific functions on.
  AggregateFunction | A container for classes that will generate SQL for the SQL99 Standard Aggregate functions.
  Avg | SQL99 Standard Average function.
  Count | SQL99 Standard count function.
  Max | SQL99 Standard max function.
  Min | SQL99 Standard min function.
  Sum | SQL99 Standard sum function.