>> om sqlalchemy import *
>> from sqlalchemy.sql.util import ClauseAdapter
>> m = MetaData()
>> a=Table( 'a',m,
>> Column( 'id', Integer, primary_key=True),
>> Column( 'xxx_id', Integer, ForeignKey( 'a.id', name='adf',
>> use_alter=True ) )
>> )
>>
>> e = (a.c.id == a.c.xxx_id)
>> print e
>>
>> b = a.alias()
>> #print b.c.id == 0
>>
>> r = ClauseAdapter( b, include= set([ a.c.id ]),
>> equivalents= { a.c.id: set([ a.c.id]) }
>> ).traverse( e)
>> print e
>>
>> ######### results
>>
>> #in r3726: (OK)
>> a.id = a.xxx_id
>> a_1.id = a.xxx_id
>>
>> #in r3727 - as well as in r3760:
>> a.id = a.xxx_id
>> a.id = a.xxx_id
>>
>
> no, it works, it just clones in all cases:
>
> sql_util.ClauseAdapter( b, include= set([ a.c.id ]),
> equivalents= { a.c.id: set([ a.c.id]) }
> ).traverse( e)
>
> assert str(e) == "a_1.id = a.xxx_id"
>
huh? it dies here. r3727 or 3760 all the same, py2.5..., did remove all
*pyc
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