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Function empty() and null value
Message
De
27/06/2011 12:37:14
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 9 SP1
Divers
Thread ID:
01516146
Message ID:
01516288
Vues:
61
Wouldn't there be a risk of hard-to-diagnose problems if you do that? You could BROWSE or display the data and it'll look blank, but in the code it'll NULL values will still return .F. for EMPTY().

>I have had the same experience in VFP (not using NULL). This is why I love the command:
>
>SET NULLDISPLAY TO ""
>
>
>>So far I have worked with the Visual FoxPro Database. I rarely insert NULLs intentionally, they usually appear from the result of an outer join.
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