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On 6/10/2016 3:48 PM, Bradley Stone wrote:
Ok, so I set up the field with CCSID 1208 in the DDS. I didn't specify the
*NORMALIZE option. From what I understand, this will fix any
non-corresponding hex values to the closest match available?
...
We shall see if this will help. But I'm wondering if there are any RPG
D-Spec keywords one can use so that when data is read in from this field it
is automatically converted to the JOB's CCSID? Or is iConv (or another
conversion API) required?
Brad, what is your job CCSID? My understanding (and experience) is that
CCSID 1208 data (and all other alphanumeric data) is converted to the
job CCSID automatically by database unless the job CCSID is 65535. When
the job CCSID is 65535, no alphanumeric data is converted to the job CCSID.
At least, that's true when RPG opens the file prior to 7.2, and by
default from 7.2 on. Starting in 7.2, you can code DATA(*NOCVT) in your
F spec to cause the file to be opened with no conversion to the job
CCSID. You could also code OPENOPT(*NOCVTDATA) to have that be the
default for all database files.
Also in 7.2, you could code DATA(*CVT) on your F spec, and ensure the
program field matching your 1208 field is in the job CCSID. Then RPG
would do a runtime check, and if the job CCSID was 65535, it would
convert the 1208 data in the buffer to your field's job CCSID.
DATA(*CVT) is the default, but RPG needs some indication in the code
that you want this new support. The old support wasn't necessarily
correct, but we know that people coded workarounds that we can't break.
As long as you code the the DATA keyword on your file, or CCSID(*EXACT)
in your H spec, or OPENOPT(*(no)CVTDATA) in your H spec, or the CCSID
keyword on that field or its externally-described data structure, RPG
will handle any necessary CCSID conversions when the record is read.
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