TransformFunctionFactory

class vertica_sdk.TransformFunctionFactory

Interface for declaring parameters and return types for, and instantiating, an associated vertica_sdk.TransformFunction.

classmethod createTransformFunction(cls, server_interface)

Create and return an instance of the associated vertica_sdk.TransformFunction class for query execution.

Parameters for this function can be read from the server_interface argument (a vertica_sdk.ServerInterface object).

This method is called after query local planning, just before execution begins. It may be called more than once per query.

classmethod getUDXFactoryType(cls)

Returns vertica_sdk.UDXType.TRANSFORM.