Prepare a database operation (query or command) and then execute it against all
parameter sequences or mappings found in the sequence seq_of_parameters.
A FilterDataHandler contains some other DataHandler, which it uses
as its basic source of functionality, possibly transforming the calls
along the way or providing additional functionality.
Pause the current code, sneak an exception raiser into
sys.trace_func, and then continue the code hoping that JPython will
get control to do the break;