Jan,
A while back I stopped using the “SET VAR =…” syntax and replaced (when
possible) with the “SELECT ColName INTO…INDICATOR …” construct as R:azzak
example shows. As I understand, it reflects the more standard SQL syntax and
works great.
Javier,
Javier Valencia, PE
O: 913-829-0888
C: 913-915-3137
From: [email protected] [mailto:[email protected]] On Behalf Of
jan johansen
Sent: Wednesday, February 06, 2019 12:06 PM
To: [email protected]
Subject: Re: [RBASE-L] - SQL tutorial
Razzak,
Thank you. I was actually replacing the existence check with this when I posted
the question.
I think elsewhere in the system when I look at
WHILE SQLCODE = 0
or
WHILE SQLCODE <> 100
my brain got really tied in knots.
Thx again,
Jan
From: "A. Razzak Memon" <[email protected]>
To: [email protected], [email protected]
Date: Tue, 05 Feb 2019 20:28:00 -0500
Subject: Re: [RBASE-L] - SQL tutorial
Jan,
Here is one approach to validate the existence of a row ...
SET VAR vRows INTEGER = 0
SELECT COUNT(*) INTO vRows INDICATOR iv1 FROM PODetail WHERE PO_ID =
.vPOID AND ReceiptStatus = 'P'
IF vRows = 0 THEN
CLS
PAUSE 2 USING 'No record found!' CAPTION 'Receipt Status' ICON WARNING +
BUTTON 'Press any key to continue ...' +
OPTION BACK_COLOR WHITE +
|MESSAGE_FONT_NAME Tahoma +
|MESSAGE_FONT_COLOR RED +
|MESSAGE_FONT_SIZE 12
GOTO Done
ENDIF
-- Do what you have to do here ...
-- Example
CLS
EDIT USING ReceiptStatus WHERE PO_ID = .vPOID AND ReceiptStatus = 'P'
LABEL Done
CLEAR VARIABLES iv%,vRows
RETURN
Hope it helps!
Razzak
At 06:41 PM 2/5/2019, jan johansen wrote:
>All,
>
>I think I need a SQL refresher.
>I need to update old code that looks like this.
>
>SET ERROR VAR hold
>SET VAR vchk = ReceiptStatus IN PODetail WHERE PO_ID = .vPOID AND
>ReceiptStatus = 'P'
>IF hold = 0 THEN
>
>So is
>IF hold = 0 the same as
>IF SQLCODE = 0?
>
>Sorry such a dumb question.
>
>Jan
>
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