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IDS Forum

Re: Passing LIST to SPL stored procedure or functi

Posted By: JACQUES RENAUT
Date: Monday, 29 July 2013, at 6:30 p.m.

In Response To: Passing LIST to SPL stored procedure or function (CANDY MCCALL)

Original post:

I have the need to pass an array to a stored procedure and have been slightly successful but have run into an issue that I do not understand. Here is my test stored procedure:

create procedure testlist(mylist LIST(ROW (invid VARCHAR(30),

category CHAR(8),qty DECIMAL(14,6)) NOT NULL));

define myrow ROW (invid VARCHAR(30),

category CHAR(8),

qty DECIMAL(14,6));

define p_invid VARCHAR(30);

SET DEBUG FILE TO "test.trace.log";

TRACE ON;

FOREACH

SELECT * INTO myrow FROM TABLE(mylist)

END FOREACH

end procedure

I call it with this call:

call testlist(LIST{ROW('9000','R',1.0),ROW('9001','A',2.0)});

If you look at the trace log, you see that 2 rows are accessed.

Now, I changed the call slightly where 9000 is now 9000A as in this:

call testlist(LIST{ROW('9000A','R',1.0),ROW('9001','A',2.0)});

When I try to run this call (in dbaccess), I get this:

674: Routine (testlist) can not be resolved.
Error in line 1
Near character position 6

I'm at a loss as to why this second call doesn't work. It looks
like it is expecting the data passed to be the same number of characters.

I am testing with IDS 11.70.UC6E.

Any feedback is appreciated!

Thanks,

Candy
--
Candy McCall
ONLINE Computing, Inc.

Response:

I'll admit I haven't done a ton with LIST's, but what you are describing seem like it could be a bug. However, I wonder if you could work around the problem, by making the following changes.

First use a named row type rather then un-named:

create row type test_type (invid VARCHAR(30),category CHAR(8),
qty DECIMAL(14,6));

then change your spl to this:

create procedure testlist(mylist LIST(test_type not null) );
define myrow test_type;

define p_invid VARCHAR(30);
SET DEBUG FILE TO "test.trace.log";
TRACE ON;
FOREACH
SELECT * INTO myrow FROM TABLE(mylist)
END FOREACH
end procedure;

Then last, change how you call the SPL to the following:

call testlist(LIST{ROW('9000','R',1.0)::test_type,
ROW('9001','A',2.0)::test_type});
call testlist(LIST{ROW('9000A','R',1.0)::test_type,
ROW('9001','A',2.0)::test_type});

I tested that on 11.70.FC7 and both calls worked. Again, not sure you should have to do it that way, but if you can, it could be a work around to the issue.

I would think you could open a PMR with support and submit your small test case and probably get defect entered as I don't have a very good explanation as to why on the 2nd call to testlist it seems as though it's unable to resolve the routine.

Jacques Renaut
IBM Informix Advanced Support
APD Team

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