[odb-users] create_schema deletes db tables

[Lidia Kalinovsky]

OK.
Thanks to all for help and quick response.


On Fri, Jul 5, 2013 at 5:25 PM, Per Edin <info at peredin.com> wrote:

> If you are creating a new database, call create_schema.
>
> If you are opening an existing database, do NOT call create_schema.
>
>
>
> On Fri, Jul 5, 2013 at 4:20 PM, Lidia Kalinovsky <lidia at lemur-soft.com>wrote:
>
>> 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
>>>
>>
>>
>>
>> --
>> Software integration and outsourcing services,
>> Lemur-Soft, Giv'at Nili
>> Israel, 37825
>> Phone : (+972) 545748325
>> Fax : (+972) 775345383
>> Email : lidia at lemur-soft.com
>> Web: www.lemur-soft.com
>>
>
>


-- 
Software integration and outsourcing services,
Lemur-Soft, Giv'at Nili
Israel, 37825
Phone : (+972) 545748325
Fax : (+972) 775345383
Email : lidia at lemur-soft.com
Web: www.lemur-soft.com