02.11.2014 22:18, Roberto Carlos rc.1990@... wrote:

> Will UDF (User-Defined Functions) as done up to FB 2.5 (based on DLL or SO libraries) on Firebird 3 be considered obsolete or even disappear in future versions since the new features of SQL functions, sub-routines and packages?

No, they won't disappear in the foreseeable future.

> How will work the external functions, procedures and triggers in C, C++, Pascal and Java? They work similar to FB 2.5 UDFs (DLL / SO libraries)?

Quite similar, but only external functions more or less match legacy
UDFs. Selectable procedures and triggers can be more complicated. But
technically the idea is the same (calling the precompiled DLL/SO from
the engine).


Dmitry