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How do I triger a field validation for a primary key
Message
From
14/10/1997 09:29:14
 
 
To
10/10/1997 18:32:02
Dragan Nedeljkovich (Online)
Now officially retired
Zrenjanin, Serbia
General information
Forum:
Visual FoxPro
Category:
Forms & Form designer
Miscellaneous
Thread ID:
00052119
Message ID:
00054429
Views:
43
>>Didn't you know that I don't use buffering? BTW, VFP6 will have function
>>allowing SEEKing without moving pointer. In regard to second problem: it's
>>not difficult to have routine finding new 'unique' key value to shift out
>>deleted record. BTW, the normal process could also involve 'safe deletion':
>>when you delete a record, candidate key values get replaced by some
>>reserved sequence (e.g. "000001","000002", etc.).
>>
>>Privet Sevastopolyu.
>
>What's the difference between the next version's IndexSeek() and the
>KeyMatch()? IndexSeek() will not be as buggy?

AFAIK, KeyMatch move pointer back and forth, trigger row buffering tableupdate() anyway, IndexSeek presumably will not move pointer in current work area at all (I guess table will USE ... AGAIN).
Edward Pikman
Independent Consultant
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