Checking schemas

[Ruslan Zasukhin]

On 3/7/06 6:08 AM, "Steve Albin" <steve at steve-albin.com> wrote:

Hi Steve,

> I am converting my app to use Valentina 2 and I am using Convert_1_2 to
> convert version 1 databases to version 2 databases.

ok

> In my Valentina 1 app, I always check the schema of the db to make sure the
> user is trying to open a database compatible with the current version of the
> app.  I want to check this schema to make sure that my users are only
> converting the most up to date version of the database.

> Using the Valentina 2 function of GetSchemaVersion will not work on a
> Valentina 1 database.  Is there some other way I can check the schema version
> of the database before allowing it to be converted?

Hmm, we do not have such feature...

In theory it is possible -- we have VSDK.dll in VComponents

But how todo this nice? May be

    Convert_1_2( ... , MinAllowedVersions )

May be you can find some other way ?

Oh, in fact you can self read header of 1.x vdb file to recognize version

-- 
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]