Re: How to do the modular test

>    What I would like to know is, if I have changed some ot the modules,
> how can I use GNU gdb to debug the modified codes?

You can run the backend directly from gdb:
$ gdb postgres(set breakpoint)> b <routine_to_breakpoint>(tell gdb to begin)> run -D <path_to_database>(enter query at
prompt)> select xyz from abc...(will run until it hits the breakpoint(s))
 
                  - Thomas