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Broken ID value...
Message
De
15/03/2004 14:58:01
Dmitry V.Glouzdov
LUKOIL (Nizhny Novgorod)
Nizhny Novgorod, Russie
 
 
À
12/03/2004 19:48:00
Neil Mc Donald
Cencom Systems P/L
The Sun, Australie
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00884594
Message ID:
00886441
Vues:
19
Hi!
... To many interesting things.
Thank you.
Regards.

>Hi,
> Found the original article Message# 583143
> Also read the whole thread - there are a number issues addressed.
>Regards
>
>>Yesterday added field DUMMY (not character: N(13,0)). Broken data in ID field heve not seen!!!!!
>>
>>Many many thanks.
>>
>>>Hi,
>>> I gather that the primary ID is the first field in the record, if so add an 8 character dummy field as the first field in the record.
>>>
>>> This doesn,t fix the problem, as the dummy field gets the corruption not the primary index. There was an article about this some time ago.
>>>
>>>Regards N Mc Donald
>>>
>>>>Hi!
>>>>Have a problem with primary ID field in a table. I shall be glad if you will help.
>>>>
>>>>Legend:
>>>>VFP 5.0, Win2000 and about 10 very active users.
>>>>
>>>>We have a table with primary key on ID field N(13,0).
>>>>The table is consist of 400`000 records. Every day users add 5000 new rows in this table.
>>>>
>>>>Every day (!!!) programmer find 2-5 broken ID value (only in ID field).
>>>>Good ID value looks like 3010000001234.
>>>>Broken ID value looks like |010000001234 or 3|10000001234 (character symbol in first or second position in NUMERIC field). VFP understand this bad ID as 0 and 3. And it means that every day programmer find in the table _several_ rows with the same ID=0 (or ID=3) – the purpose of primary key is not work. Transaction mechanism was not help.
>>>>
>>>>The main trouble is: except this work place there are 16 similar sites with 2-5 users and 1-2 broken ID for a week (…and without local support).
>>>>
>>>>Need idea!
>>>>Thank you!
* Dim-Dim *
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