NEW WIKI page about Database Schema migration

[Jochen Kötter]

Hi Ruslan,

Congratulation! It's a nice Site!
I noticed a litte mistake. The method 'OpenDatabase' requires a  
boolean. In the 'Class Style' you don't use the return value.

One question about the Class Style in 3.1:
Did I read right ?
If I use in ConvertSchema_1_2 the reference to the unknown tbl...  
Valentina will convert my Structure-classes when opening my Subclass- 
db afterwards??


btw, what kind are the values I get with VarraySet.ItemAt - are these  
OIDs ?
With iter.	Firstitem i.E. I get RecIDs, is this correct?

Greetings
Jochen Koetter	

Am 28.06.2007 um 12:49 schrieb Ruslan Zasukhin:

> Hi All,
>
> Few days ago Jochen have point that it was hard for him get how to  
> write
> code to support changes of Db structure
>
> This is new page that describe this task:
>
> <http://www.valentina-db.com/dokuwiki/doku.php? 
> id=paradigma:public:en:docume
> ntation:vkernel:database_structure_migration>
>
> Let me know if you see some mistakes or ways to improve
>
>
> -- 
> Best regards,
>
> Ruslan Zasukhin
> VP Engineering and New Technology
> Paradigma Software, Inc
>
> Valentina - Joining Worlds of Information
> http://www.paradigmasoft.com
>
> [I feel the need: the need for speed]
>
>
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> Valentina at lists.macserve.net
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