>
> > What is the proper way to declare a postgresql partial index when using
> the @declared_attr decorator?
>
> these two concepts aren’t really connected
>
Sorry -- I described that poorly, then. However, I only see the problem
(in v0.9.8) when I am using @declared_attr as in the case of a mixin.
Your test script works for me, but not when I tweak it to have mixin
behaviour. Try this version:
from sqlalchemy import *
from sqlalchemy.orm import *
from sqlalchemy.ext.declarative import declarative_base, declared_attr
Base = declarative_base()
class A_TableDef(object):
__tablename__ = 'a'
id = Column(Integer, primary_key=True)
track_type = Column(SmallInteger, nullable = False)
@declared_attr
def __table_args__(cls):
return (Index("idx_track_type", "track_type",
postgresql_where = (cls.track_type != 0)),
)
class A_Model(Base, A_TableDef):
pass
e = create_engine("postgresql://scott:tiger@localhost/test", echo =True)
Base.metadata.drop_all(e)
Base.metadata.create_all(e)
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