Hi I encounter same problem as your, do you already got the solution? Any 
help will be appreciated, thank you~

On Saturday, November 14, 2015 at 1:40:21 AM UTC+7, [email protected] wrote:
>
> Hello.
> I've got the same model in two projects and want to copy data from one to 
> another using model meta 'db_table' option:
>
>
> my_model_original_table_name = MyModel._meta.db_table
> MyModel._meta.db_table = 'old_project_table_name' 
>
> old_objects = MyModel.objects.using('old_project_data_base').values('name')
> old_objects = list(old_objects)
>
> MyModel._meta.db_table = my_model_original_table_name
>
> for old_object in old_objects:
>     new_object, created = 
> MyModel.objects.update_or_create(name=old_object['name'])
>
>
> Old data retrieving works great, but when i try to execute last statement 
> i get:
> "django.db.utils.ProgrammingError: missing FROM-clause entry for table 
> "old_project_table_name""
>
> I tied to fetch data at the last stage instead of updating/creating 
> (MyModel.objects.all()) and get the same error.
> The sql-query created by ORM is:
> SELECT "old_project_table_name"."name" FROM "new_project_table_name"
>
> Why is it so?
>
> I am using django 1.8.6 and PostgreSQL 9.4.5
> Django 1.7.* work fine.
>
>
> Thanks!
>

-- 
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/django-users.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/django-users/0b3e71a1-ac34-459b-a2b0-32086492077d%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to