[odb-users] create_schema deletes db tables

[Lidia Kalinovsky]

May be - thank you.
So, the question is : how do I know if I should call create_schema function
? To check if sqlite file exists ?


On Fri, Jul 5, 2013 at 5:13 PM, Boris Kolpackov <boris at codesynthesis.com>wrote:

> Hi Lidia,
>
> Lidia Kalinovsky <lidia at lemur-soft.com> writes:
>
> > But sometimes ( I haven't realized when exactly ) I get "table .. not
> > exist" exception if create_schema is not called.
>
> The create_schema() function re-creates the database schema, that is,
> drops and then creates all the tables necessary to store your objects.
>
> Perhaps you are getting an exception after adding some new classes
> and trying to persist them in an existing database which only has
> tables for older classes?
>
> Boris
>



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