PS: I want to use DAL for work with many tables and 2 databases at least ,
which are created by another noWeb2Py application.
вторник, 24 декабря 2013 г., 1:32:18 UTC+4 пользователь Kirill Surnov
написал:
>
> Just tried it with postgresql:
> there are some tables without web2py definition, and I dont see it!
> other tables created on web2py I see.
> trying in python shell from 2.7.4 + timestamp.2013.10.14.15.16.29
> db= DAL('postgresql://postgres:*******@localhost/test',auto_import = True)
>
>
>
> вторник, 7 февраля 2012 г., 21:26:05 UTC+4 пользователь Anthony написал:
>>
>> Just tried it -> same results.
>>> FYI, I'm only using the interactive python shell to illustrate the
>>> problem I face I my app...
>>>
>>
>> When you use the -M option to load your models, are you then still doing
>> this in your shell session:
>>
>> >>> db = DAL('postgres://postgres:********@localhost/courier')
>>
>> If so, don't -- the db object will already be defined when your db.py
>> file is executed, and the above will end up overwriting it (and therefore
>> losing all of its table definitions from db.py). Just do:
>>
>> python web2py.py -S courier -M -N
>> >>> db.tables
>>
>> (Note the -N option -- that prevents cron from starting.)
>>
>> If you're using the DAL outside of a web2py app, then you'll still need
>> to create model definitions (i.e., with db.define_table) in your code --
>> the DAL doesn't know what tables and fields are in your db unless you tell
>> it by defining the models. However, if you have already defined the models
>> in an app somewhere, you might be able to make use of auto_import:
>> http://web2py.com/books/default/chapter/29/6#Using-DAL-without-define-tables
>> .
>>
>> Anthony
>>
>>
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