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CursorAdapter Questions
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À
11/05/2005 18:47:49
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
01013179
Message ID:
01013191
Vues:
19
Right, thanks!

>Hello,
>
>it will but the results you'll get aren't what you are expecting ..
>
>since FoxPro can't handle out of it's own what records to update on a cursor that was created from a SQL with a JOIN in it .. (it probably will generate some UPDATE statements .. but these are normally semantically wrong)
>
>TABLEUPDATE will trigger the update progress of the CursorAdapter ...
>
>just test it out, write a CA with a JOIN in it's SelectCmd.. overwrite it's BeforeUpdate statement with
>
>BeforeUpdate(..)
>&& log SQL update statement to table with STRTOFILE or
>&& just "?" print it to the screen
>&& to examine what statements are created ..
>
>get some records with CursorFill ..
>change some fields in more than one row (BufferMode has to be 5 for this ..)
>?TABLEUPDATE(.F.,.F.,yourCA.Alias)
>
>Regards
>Christian
Everything makes sense in someone's mind
public class SystemCrasher :ICrashable
In addition, an integer field is not for irrational people
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