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Scan Endscan
Message
 
À
24/06/2005 19:41:08
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Titre:
Versions des environnements
Visual FoxPro:
VFP 8 SP1
Divers
Thread ID:
01026363
Message ID:
01026471
Vues:
29
>>Hi All. I have been reading some threads about SCAN - ENDSCAN. Due to old habits I have used DO WHILE but am interested in the speed improvements that SCAN ENDSCAN appear to offer.
>>
>>Any gotchas to watch out for when converting DO WHILE loops to SCAN ENDSCAN? I did read Dragan's comment about nested SCAN's on the *same* file. Are there any others?
>
>Note that with SCAN, there is no guarantee that the records will be processed in any specific order. Sometimes this matters, usually it doesn't.

If the table scanned is sorted by an index are you saying that scan might not go in the sorted order?
Semper ubi sub ubi.
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