Re: Embedded SQL Select Into

Yes, they could. In fact, the condition field in the select could be null.


On Wed, Oct 30, 2013 at 12:38 PM, Alan Campin <alan0307d@xxxxxxxxx> wrote:

One thing Michael, can any of the values you are reading going to be null
(True null, not blanks)? If yes, things get a lot more interesting.


On Wed, Oct 30, 2013 at 10:24 AM, Michael Ryan <michaelrtr@xxxxxxxxx>
wrote:

Thanks Luis...any ideas on how to make the DS externally described?


On Wed, Oct 30, 2013 at 12:23 PM, Luis Rodriguez <luisro58@xxxxxxxxx>
wrote:

Michael,

Something like this should work:
***
D My_Array DS DIM(1000) Qualified
D WkSession_ID 128
**
EXEC SQL
Declare C1 cursor for
Select .....
;
exec sql Open C1;
EXEC SQL
Fetch next from C1 For 1000 rows into :My_Array ;

// Make sure all the elements are blanks (not null)...
RecNumber = SQLER3;
For Index = (RecNumber + 1) TO 1000;
My_Array(Index).WkSession_ID = *blanks;

exec sql Close C1;

*****
HTH,

Luis

Luis Rodriguez
IBM Certified Systems Expert — eServer i5 iSeries
--



On Wed, Oct 30, 2013 at 11:26 AM, Michael Ryan <michaelrtr@xxxxxxxxx>
wrote:

I was looking for that...couldn't find it. I'll check again...thanks

Gary.

On Wed, Oct 30, 2013 at 11:52 AM, Gary Thompson <

gthompson@xxxxxxxxxxx

wrote:

Note that your DS can be defined as a datastructure array - see
post by Barbara Morris about 4-6 weeks past.

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:

rpg400-l-bounces@xxxxxxxxxxxx]

On Behalf Of Michael Ryan
Sent: Wednesday, October 30, 2013 9:44 AM
To: RPG programming on the IBM i (AS/400 and iSeries)
Subject: Re: Embedded SQL Select Into

Thank you Alan...


On Wed, Oct 30, 2013 at 11:42 AM, Alan Campin <alan0307d@xxxxxxxxx

wrote:

You cannot do an array using into. Wish we could. You must

define a

cursor, open and then do a fetch into for x rows and then close

cursor.

Also, you are going to have to have a data structure to read

into.

On Wed, Oct 30, 2013 at 9:37 AM, Michael Ryan <

michaelrtr@xxxxxxxxx>

wrote:

Sigh...so I'm trying this:

Exec SQL
Select Session_Id Into :WkSession_ID
From MblSesP
Where Session_End is null;

I've defined Wk_Session_ID as:

D WkSession_ID S 128
D Dim(1000)

Note: I've also tried to define it as a data structure array

(or

thought

I

did). I get an SQL0312 error - variable not found or unusable.

The definition of Session_ID (from DSPFFD) is:

SESSION_ID CHAR 128 130 43 Both

SESSION_ID

Variable length field -- Allocated length : None
Default value . . . . . . . . . . . . . . : None
Coded Character Set Identifier . . . . . : 37

Two questions: What am I doing wrong, and why does SQL hate me?

Thanks!
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