this is definitely not related to any issue from 2007. See what happens if you call sqlalchemy.orm.configure_mappers() right before you emit that Query in this particular test. the error indicates this particular class was not present when the mappers post-configured themselves.
On Oct 4, 2013, at 4:10 AM, kim <k...@hyunjun.kr> wrote: > T_T > > Hi, I am using SQLAlchemy 0.8.2 with PostgreSQL and having exactly same > problem. > > I have a lot of table classes inherited declarative base and only some of > classes raise errors. (https://gist.github.com/yoloseem/d1c9b0f8d3cef6c196e4) > > Actually, even for same buggy classes, errors are appeared in some special > environment (for me, calling exactly same function works well in web > view(Flask) or shell context but always erroneous in Celery task). > > To figure out what causes this, I've turn logging level for 'sqlalchemy.orm' > to INFO, > and I found some differences between tables working well and error causing > tables. (https://gist.github.com/yoloseem/b20cb4a283212ceb0439) > Working things printed out about "_post_configure_properties()" and buggy > things printed out about "Identified primary key columns". > > please somebody help me? !! > > > 2007년 11월 24일 토요일 오전 4시 6분 3초 UTC+9, Michael Bayer 님의 말: > > On Nov 23, 2007, at 12:53 PM, lur ibargutxi wrote: > > my problem is that in my local configuration I have SQLAlchemy0.4.0 > > and collective.lead and my aplication work very well but when i try > > to do the same thing in the server I have this problem: > > > > ArgumentError: Error determining primary and/or secondary join for > > relationship ' Areas.idareatype2 (Areatypes)'. If the underlying > > error cannot be corrected, you should specify the 'primaryjoin' (and > > 'secondaryjoin', if there is an association table present) keyword > > arguments to the relation() function (or for backrefs, by specifying > > the backref using the backref() function with keyword arguments) to > > explicitly specify the join conditions. Nested error is "Can't find > > any foreign key relationships between 'areas' and 'areatypes'" > > > > ok....using table reflection for your tables (i.e. autoload=True)? > MySQL with MyISAM (the default) tables ? foreign keys won't reflect > in that case, you have to either specify those columns in your Table > defs manually or use InnoDB tables in your MySQL database. > > > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sqlalchemy+unsubscr...@googlegroups.com. > To post to this group, send email to sqlalchemy@googlegroups.com. > Visit this group at http://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/groups/opt_out.
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