>>>>> On Tue, 30 Apr 2002 09:02:11 +0400, "Dimitry Sibiryakov" <SD@...> said:

DS> On 29 Apr 2002 at 17:41, lele@... wrote:

>> Of course, please do not hesitate to ask whatever else may help
>> me understand what's is going!

DS> [skipped]

>> then V_RISULTATO = :V_RISULTATO || SUBSTR
>> (:V_CODICE,CAST(:V_PRIMO AS integer),CAST(:V_PRIMO AS
>> integer));

DS> How was SUBSTR declared? If it was declared as something
DS> like

DS> DECLARE EXTERNAL FUNCTION SUBSTR CSTRING(32767), SMALLINT,
DS> SMALLINT RETURNS CSTRING(32767) FREE_IT

DS> then you should change params' lengths to smaller values.

Yeah! It seems this was the culprit!! Simply updating
RDB$FUNCTION_ARGUMENTS I was then able to alter that SP. Great hint!!
Thanx a lot,
bye, lele.
--
nickname: Lele Gaifax | Quando vivro' di quello che ho pensato ieri
real: Emanuele Gaifas | comincero' ad aver paura di chi mi copia.
email: lele@... | -- Fortunato Depero, 1929.