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Speed issue: Set Relation .vs. Set Filter .vs. Select &
Message
De
21/10/1997 18:53:08
 
 
À
21/10/1997 11:08:18
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00055022
Message ID:
00055894
Vues:
44
>>>P.S.> the fastest way I found on replacing a field like this is:
>>> OPEN TABLE ONE ORDER 'UNIQUE TAG' IN 0
>>> OPEN TABLE TWO IN 0
>>> SET RELATION TO 'UNIQUE TAG' INTO ONE
>>> REPLACE ALL ONE.FIELD WITH 'SOMETHING'
>>
>>Are you sure this works? :)
>>
>>Vlad
>
>But the code with the relationship has work fine for me. I
>found it is faster than doing a
>SCAN
> seek
> replace
>endscan
>
>Charles

Your code sample will do a replace (in the child table) for the first child record of each parent record. Is this what you want? Also, you need to select an area somewhere...

Vlad
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