RE: call subprocedure in SQL

[<SRamanujan@xxxxxxxxxxxxxxxxxx>]

Frank,
You would have to create a function separately (and you could attach an
rpgle or any other programming module to do the calculations if it is
quite complicated). To call another module you could do:

CREATE FUNCTION myfun1 (DEC (1,0), DEC (1,0))
RETURNS DEC (1,0)
EXTERNAL NAME MYRPG /* optional */
LANGUAGE RPGLE    /* optional */

You could then call this function in your SQL select code.
Thanks,
Sudha

Sudha Ramanujan
SunGard Futures Systems
sramanujan@xxxxxxxxxxxxxxxxxx
(312) 577 6179
(312) 577 6101 - Fax

-----Original Message-----
From: fkany@xxxxxxxxxxxxxxxxxx [mailto:fkany@xxxxxxxxxxxxxxxxxx] 
Sent: Tuesday, April 12, 2005 9:12 AM
To: RPG400-L@xxxxxxxxxxxx
Subject: re: call subprocedure in SQL



Sudha/list,

Would I have to use the following CREATE FUNCTION statements before the
SELECT statement?

===============================================
/EXEC SQL

CREATE FUNCTION myfun1 (DEC (1,0), DEC (1,0))
RETURNS DEC (1,0)

CREATE FUNCTION myfun2 (DEC (1,0), DEC (1,0))
RETURNS DEC (1,0)

/END-EXEC
===============================================

Thanks,

Frank



Frank,
I suggest a function for returning fld1/fld2 and you would call it as a
field in the sql. (BTW, The function can return only one value.)
HTH.
Thanks,
Sudha

 'SELECT myfun1(FHDDAT, FHPUDT) as FLD1, ' +
                ' myfun2((FHDDAT, FHPUDT) as FLD2, ' +
                FHOT, FHPRO, FHDT, FHDDAT, FHDTIM, FHDADT, ' +
      'FHPUDT, FHSCD, FHCCD, FHCCT, FHCST, FHCZIP ' +
 'FROM FRL00144 WHERE FHDDAT >= ' + %CHAR(FDATE)    +
                ' AND FHDDAT <= ' + %CHAR(TDATE)    +
                ' AND FHDT   <> ' + %CHAR(NUM#OT1)  +
                ' AND FHOT   =  ' + %CHAR(NUM#OT1)  +
                ' AND FHDT   =  ' + %CHAR(NUM#ODT)  +
                ' ORDER BY FHOT, FHDT'              +
                ') WITH DATA';

Sudha Ramanujan
SunGard Futures Systems
sramanujan@xxxxxxxxxxxxxxxxxx
(312) 577 6179
(312) 577 6101 - Fax


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