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Swapping Values in Two Columns
Message
De
03/09/2013 08:50:47
 
 
À
03/09/2013 08:06:34
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows 8
Network:
Windows 2000 Server
Database:
Visual FoxPro
Application:
Desktop
Divers
Thread ID:
01581882
Message ID:
01581884
Vues:
54
>I'm trying to switch the values from two columns. Here's my code:
>
>
update Items;
>   SET cDesc = cIntDesc ;
>   , cIntDesc = cDesc
>
>This is a VFP database.
>
>Shouldn't that work?
>
>What is happening is that both columns get the original value that was in cIntDesc.

That's what I'd expect. This is the same as if you'd written:
x=y
y=x
The changes have to occur in some order. You'll have to use a variable to hold one value temporarily.

Tamar
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