See: Description
| Interface | Description | 
|---|---|
| AggregateFn<InputT,AccumT,OutputT> | An aggregate function that can be executed as part of a SQL query. | 
| UdfProvider | Provider for user-defined functions written in Java. | 
| Class | Description | 
|---|---|
| ScalarFn | A scalar function that can be executed as part of a SQL query. | 
| Annotation Type | Description | 
|---|---|
| ScalarFn.ApplyMethod | Annotates the single method in a  ScalarFnimplementation that is to be applied to SQL
 function arguments. | 
The contents of this package are experimental. (They are not marked as usual because that would require a dependency on the {@code :sdks:java:core} module, which we want to avoid.)