On 9 Dec 2013, at 8:09 AM, Gael Princivalle <gaelprinciva...@gmail.com> wrote:

> Thanks Anthony but in any case I've got the same web2py answer:
> 'DAL' object has no attribute 'products'
> 
> How is it possible ?

Try doing your drop in a separate request. My guess is that you need to trigger 
a migrate cycle after the drop.

> 
> Il giorno lunedì 9 dicembre 2013 17:03:54 UTC+1, Anthony ha scritto:
> I think you want db.products.truncate(), not db.products.drop().
> 
> Anthony
> 
> On Monday, December 9, 2013 8:03:24 AM UTC-5, Gael Princivalle wrote:
> Hello all.
> 
> I need to import in one table data keeping original id's.
> I know that I have to drop the table first, but when I want to import the 
> CSVfile web2py say me that "<type 'exceptions.AttributeError'> 'DAL' object 
> has no attribute 'products' 
> I've tried to follow these instructions:
> http://web2py.com/books/default/chapter/30/06/lastrazione-del-database?search=import_from_csv_file
> And also here:
> https://groups.google.com/forum/#!searchin/web2py/id_map{}/web2py/tURuX_Yyr2k/tzOzB4mGVkQJ
> 
> In my csv file I have:
> products.id,products.code,products.description
> 407,040525,DA 9-24
> 408,040586,DR 14-37
> 
> Here is my db:
> db.define_table('products',
>                 Field('code', unique=True),
>                 Field('description'),,
>                 format='%(code)s')
> db.define_table('csv_products_files',
>                 Field('csv_file', 'upload', requires = IS_NOT_EMPTY()),
>                 auth.signature)
> 
> My controller:
> def import_products():
>     form=SQLFORM(db.csv_products_files)
>     if form.process().accepted:
>         response.flash = 'Form accepted'
>         db.products.drop()
>         db.products.import_from_csv_file(open(form.vars.csv_file, 'r', 
> id_map={}))
>     elif form.errors:
>         response.flash = 'Form has errors'
>     return locals()
> 
> Someone knows how I can resolve it ?
> 
> Thanks.
> 
> 

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