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Record lock issue
Message
De
28/08/2008 19:02:58
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
01342876
Message ID:
01342901
Vues:
50
>>>Are you sure you can use such construct here?
>>>
>>>LOCATE FOR RLOCK() sounds a bit dangerous to me.
>>
>>Dangerous? I don't think so. Non-intuitive, perhaps.
>>
>>While looking for a record that matches the condition, VFP will try to lock each record!
>>
>>I tried it some time ago, and it worked.
>
>Yes, I understand that it would try to lock each record. Did you test speed wise LOCATE FOR RLOCK() vs. SCAN IF RLOCK() on a big table?

No, I didn't test the speed, although I guess that it should be slightly faster. It is mainly that I like the astounding simplicity of the code.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
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