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Speed issue: Set Relation .vs. Set Filter .vs. Select &
Message
De
21/10/1997 20:08:02
 
 
À
21/10/1997 18:53:08
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00055022
Message ID:
00055916
Vues:
46
>>>>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

I always have a FOR TWO.custno = 'asddfg'
this way it replaces all the child tables values I want it to.

Charles
Charles

"The code knows no master." - Chuck Mautz
"Everybody is ignorant, only on different subjects." - Will Rogers
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