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Grid load large cursors fast but small groups very slow
Message
De
17/07/1997 19:02:46
 
 
À
17/07/1997 16:46:19
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00040340
Message ID:
00040484
Vues:
40
>>>> ... WHERE ... AND .T. = .T. ...
>>>>
>>>>This force VFP to create a temp table for the cursor and will speed up your grid display.
>>>
>>>I use the field AS fieldname which also forces a cursor.
>>>
>>>SELECT *,0 AS DUMMY FROM ...
>>Michel,
>>
>>That works too.
>>
>>Except if the result strucutre is critical, then WHERE .T. = .T. doesn't add a field to the result. NOFILTER is the best way in my book (if we are talking VFP 5.0).
>
>Thanks, but is .T.=.T. still fully optimizable?

Yes, if you have an index on the .T. field. :)

Vlad
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