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Always better to ...?
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Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00338054
Message ID:
00339168
Vues:
27
>>George and others,
>>
>>LOCATE is faster than GO TOP when a filter is invloved because LOCATE is optimizable and GO TOP is not.
>
>Thanks Jim (and Fred too). Filters?? Who uses filters any more?< bg >.
>
>This does bring up a question, however. How can a LOCATE without an expression be optimizable? If there's no expression to optimize...

My SWAG would be that since LOCATE respects the FILTER, it uses a similar mechanism as the SQL SELECT statement does in matching the WHERE clause to an existing tag. How that happens, I really haven't a clue. :)
Fred
Microsoft Visual FoxPro MVP

foxcentral.net
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