Glauco ha scritto:
> Ram Yalamanchili ha scritto:
>
>> was filter_by added recently? I have a assign_mapped class User from
>> TG, and doing a session.query(User).filter_by doesn't work (no such
>> method).
>>
>>
>
>
> yes, it's in the latest 0.3.6 version...
>
> this sometime it's hopeful :-)
>
oooops... i forgot link: http://www.sqlalchemy.org/CHANGES
>
>
>
> - orm:
> - the full featureset of the SelectResults extension has been merged
> into a new set of methods available off of Query. These methods
> all provide "generative" behavior, whereby the Query is copied
> and a new one returned with additional criterion added.
> The new methods include:
>
> filter() - applies select criterion to the query
> filter_by() - applies "by"-style criterion to the query
> avg() - return the avg() function on the given column
> join() - join to a property (or across a list of properties)
> outerjoin() - like join() but uses LEFT OUTER JOIN
> limit()/offset() - apply LIMIT/OFFSET
> range-based access which applies limit/offset:
> session.query(Foo)[3:5]
> distinct() - apply DISTINCT
> list() - evaluate the criterion and return results
>
> no incompatible changes have been made to Query's API and no methods
> have been deprecated. Existing methods like select(), select_by(),
> get(), get_by() all execute the query at once and return results
> like they always did. join_to()/join_via() are still there although
> the generative join()/outerjoin() methods are easier to use.
>
>
>
>
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