Turnover (the one written by Softlanding that does Change Management, not the one that is full of apple and tastes delicious) is a pretty cool Software Change Management application native to IBMi. But of course, you already knew that.
But, did you know that you can promote an EXTERNAL PROCEDURE to a specific library and then have it invoke its program component from that library, or from any library that you care to define to Turnover or of course from the *LIBL?
It’s all down to these basic rules:
- &LIBRARY is the variable that TURNOVER will replace with the name of your target library during promotion
- if you quote the procedure name (ie: ‘program’) then it must have either a hardcoded library (‘QGPL/THING’) or the variable (‘&LIBRARY/THING)
- If not quotes (ie: EXTERNAL NAME THING) then *LIBL will be used to call the THING program
Example *EXTPRC using &LIBRARY VARIABLE:
CREATE PROCEDURE CHKCASACT
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(OUT ACCOUNTNUM9 DEC(9,0),IN BIRTHDATE DEC(6,0),IN DRIVERSLIC CHAR(25),IN DRIVERSLICSTATE CHAR(2),IN PASSPORTID CHAR(20),IN OTHERID CHAR(30),IN RZIPCODE CHAR(15),IN LASTNAME CHAR(25),IN FIRSTNAME CHAR(25),IN RADDRESS1 CHAR(25),OUT RETURN_CODE CHAR(25),OUT RETURN_MSG CHAR(100))DYNAMIC RESULT SETS 2LANGUAGE RPGLESPECIFIC CHKCASACTNOT DETERMINISTICMODIFIES SQL DATACALLED ON NULLINPUT EXTERNAL NAME ‘&LIBRARY/CHKCASACT’PARAMETER STYLE GENERAL ;
And of course to change that external name to :
EXTERNAL NAME CHKCASACT
will result in it calling it from the *LIBL
It took me a lot of head scratching to figure it out… and YES…. I know I probably could have just opened a manual and found that out. 🙂
