Determine how to handle ref cursors

[alexanderkjall]

When a function returns a reference cursors, what should we return from the Result.Row.get() method? Some sort of object that represents the reference cursor or something else.

The StaticMultiOperation and DynamicMultiOperation are meant for when databases return multiple result sets from a function. Should we "fake" support for this by parsing functions that return multiple ref cursors as if they returned multiple result sets.