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I am having trouble calling an ILE stored procedure that is part of a
service program from an SQL Function.



Short story is that the results are inconsistent. Sometimes it will
correctly determine whether the customer is a store, sometimes not, and
sometimes it gives a decimal data error. The decimal data error always
occurs where the parameter is moved to the key field for the chain. The
ILE stored procedure works every time when called from RPG. It act as if
the parameter placed in a memory location that the store procedure does
not access correctly so that sometimes it pick up the correct number and
is ok and other times it either gets part of a number or none of it. The
following error message shows that the external procedure was found and
executed and failed inside the RPG code. So this does not appear to be a
signature mismatch.



Message . . . . : Application error. MCH1202 unmonitored by VALID at


statement 0000008800, instruction X'0000'.


Cause . . . . . : The application ended abnormally because an exception


occurred and was not handled. The name of the program to which the


unhandled exception is sent is VALID VALIDE AMIASTORE. The program was


stopped at the high-level language statement number(s) 0000008800 at the


time the message was sent. If more than one statement number is shown,
the

program is an optimized ILE program. Optimization does not allow a
single

statement number to be determined. If *N is shown as a value, it means
the

real value was not available.




The store procedure code follows. I have removed the file spec for
lmllst01 and comments:

/title AmIAStore = Am I classified as a store?


p*************************************************************************


p** AmIAStore Am I classified as a store?


p AmIAStore b export


d*


d AmIAStore pi 1a

d PrmCustNo 9s 0 value

d* Field definitions . . .


d SaAnswer s 1a

d SaCat s 3a


c*************************************************************************


c**


c* Open table(s)


c if not %open(lmllst01)


c open(e) lmllst01


c endif


c* Build the key fields

c eval mlcst# = PrmCustNo

c eval SaCat = 'STR'


c* Check to see if in the file

c mlcst# chain (e) pmllstf1


c* What is the answer?

c select


c* Error on the chain?

c when %error

c eval SaAnswer = 'N'


c* Not found?

c when not %found(lmllst01)

c eval SaAnswer = 'N'

c* Classified as Store

c when mlclas = 'STR'

c eval SaAnswer = 'Y'

c other

c eval SaAnswer = 'N'

c endsl

p AmIAStore e



Copy member for prototypes:

d/if defined(AmIAStore)

d AmIAStore pr 1a

d CustNo 9s 0 value

d/endif



SQL Create Function:

CREATE FUNCTION spslib/AMIASTOR_F

(Customer Numeric(9,0))

RETURNS char(1)

language rpgle

deterministic

no sql

no external action

external name 'PMBASO/VALID(AMIASTORE)'

parameter style general

program type sub



Invocation:

select mlcst#,

amiastor_f(cast(mlcst# as Numeric(9,0)))


from lmllst01

This should return the customer number and a flag indicating whether it is
a store (Y or N).







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