On Sep 10, 2010, at 9:35 AM, Andrey Semyonov wrote:

> On 10 сен, 17:15, "King Simon-NFHD78" <simon.k...@motorola.com> wrote:
>> Hi Andrey,
>> 
>> See the section in the docs 'Attribute Names for Mapped Columns':
>> 
>> http://www.sqlalchemy.org/docs/orm/mapper_config.html#attribute-names-fo
>> r-mapped-columns
>> 
>> Hope that helps,
>> 
>> Simon
> 
> Well, this leads to the only way to map in my case named
> 'Declarative'. Because it would fail on
> 
> mapper(Class, table, properties = { '_from': table.c.from })
> 
> Could non-declarative way for mapping python's reserved keywords as
> column names be scheduled as a bug or enhancement request ?

Option 1:

mapper(C, t1, properties={'from_':t1.c['from']})

Option 2:

t1 = Table('sometable', metadata, Column('from', Integer, key='from_'))
t1.c.from_

these techniques are documented at:

http://www.sqlalchemy.org/docs/core/schema.html#accessing-tables-and-columns
http://www.sqlalchemy.org/docs/core/schema.html#sqlalchemy.schema.Column



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