RE: SQL Where In

This would be an issue for what I am doing.

Some of the values will be MLMD, MLDM and MLD.

So scanning for a value of MLD may give a false positive.

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of MichaelQuigley@xxxxxxxxxx
Sent: Wednesday, August 31, 2016 12:54 PM
To: rpg400-l@xxxxxxxxxxxx
Subject: Re: SQL Where In

"RPG400-L" <rpg400-l-bounces@xxxxxxxxxxxx> wrote on 08/31/2016 10:42:00
AM:

----- Message from John Yeung <gallium.arsenide@xxxxxxxxx> on Wed,
31 Aug 2016 10:41:44 -0400 -----

To:

"RPG programming on the IBM i (AS/400 and iSeries)"

<rpg400-l@xxxxxxxxxxxx>

Subject:

Re: SQL Where In

On Wed, Aug 31, 2016 at 10:31 AM, Vernon Hamberg
<vhamberg@xxxxxxxxxxxxxxx> wrote:

No matter how he does this, he has to change the "array" variable
into

a

list with apostrophes around each value, commas between, and

parentheses

around the list.

Why can't he use the "big character string" approach with POSSTR or
LOCATE as Glenn suggested?

(And please note that I'm not asking why it's not the *best* way; I'm
merely asking why it's not *a* way.)

John Y.

It could be "a" way, but you would have to be careful how your "big character string" is formatted. It might not work because POSSTR and LOCATE will find the position of any occurrence of a string, not necessarily the key value for which you're looking.

e.g.:

If you're searching the following string of three character values

'ABCDEFGHI' i.e., values of 'ABC','DEF', and 'GHI'

If you test for 'CDE', POSSTR and/or LOCATE will say it's there and it is--in position 3. But it isn't really one of the values you intended. Now if your "big character string" is delimited (using any delimiter--it doesn't really matter what) it would work. e.g., 'ABC,DEF|GHI'.

Michael Quigley
Computer Services
The Way International
www.TheWay.org
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