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Here is an example of a table we have.

CREATE TABLE MCLIBD/INP5150 (
TAXFREEAREA
FOR COLUMN TXFARE VARCHAR (30) NOT NULL WITH DEFAULT,
TAXFREELOCATION
FOR COLUMN TXFLOC VARCHAR (30) NOT NULL WITH DEFAULT,
MAINTENANCETIMESTAMP
FOR COLUMN MNTTMS TIMESTAMP NOT NULL WITH DEFAULT,
CONSTRAINT INP5150_PK PRIMARY KEY
(TXFARE, TXFLOC)
)

We have many applications where the tables are accessed from RPG or
Java. The Java developers like tables where character fields are
varying because of strings. When we access the tables from RPG for
older green screen applications we move the varchar field to a char
field of the same length for display. When the field is read from the
green screen it is trimmed into a varchar field for keying. It is
important to always trim the green screen fields when upadating or
writing the file or you get into the problem described below.

Scott

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of David Foxwell
Sent: Friday, June 08, 2007 1:53 AM
To: RPG programming on the AS400 / iSeries
Subject: Re: Accessing a File with a Variable Key


This is interesting, can you please explain how to declare a ley field
in a file with variable length ?

----- Original Message -----
From: "Wilt, Charles" <WiltC@xxxxxxxxxx>
To: "RPG programming on the AS400 / iSeries" <rpg400-l@xxxxxxxxxxxx>
Sent: Thursday, June 07, 2007 11:34 PM
Subject: RE: Accessing a File with a Variable Key


Ok,

So you've got bad data in the file, 'ABC ' instead of
just
'ABC'.

My recommendation: fix the data and prevent it from being put in
wrong!
;-)

Still, a quick test doesn't show me what the issue is. 'ABC' is
ordered
before 'ABC '

If you do a SETLL, with 'ABC', don't you still see both records?

Or are you trying to CHAIN with 'ABC' and the file has 'ABC '
(or
vice versa)?

Hm, that would be a problem......

The only thing I could think of, would be to either chain with both
values
or do a SETLL and a couple
of reads.

BUT, the reality is, 'ABC' and 'ABC ' are different. You
could
have both records in the
system, you can't consider them the same and expect only one or the
other.

I repeat: fix the data and prevent it from being put in wrong! ;-)


HTH,
Charles



-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Scott Feddersen
Sent: Thursday, June 07, 2007 5:02 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Accessing a File with a Variable Key

The only issue I have had in accessing files with variable length
fields is making sure the trailing blanks have been trimmed. A 20
byte fixed
length field is 'ABC '. The 20 byte variable length
field is normally 'ABC'.

Scott Feddersen

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Fred Horvat
Sent: Thursday, June 07, 2007 2:39 PM
To: RPG400-L@xxxxxxxxxxxx
Subject: Accessing a File with a Variable Key


How does one go about accessing file that one of the key fields is a

variable length field in ILE RPG? I have to add such a file to an
existing program. Only thing I could think of was with Embedded
SQL. Is there any other way or is Embedded SQL the only way?





Fred Horvat

horvat@xxxxxxxx

216-426-5692



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