the docs for 0.6: http://www.sqlalchemy.org/docs/
and the session bind thing you can see some info about: http://www.sqlalchemy.org/docs/orm/session.html#sqlalchemy.orm.session.sessionmaker On Apr 30, 2011, at 12:40 PM, Mihir Sevak wrote: > It is a different version of Sqlalchemy. > Also the project is written in Pylons so we are upgrading that which requries > SQLAlchemy 0.6.x. > > Is there some book or reading material you can point me to pleas?? > > Thanks. > > On Sat, Apr 30, 2011 at 12:36 PM, Michael Bayer <mike...@zzzcomputing.com> > wrote: > this has to do with how the Session is configured and if its linked to an > engine. > > Curious, the "upgrade" happening here is strictly because a newer version of > Debian has a different version of SQLAlchemy ? It would be really, really > preferable if you could run the specific version of SQLAlchemy the app was > written against, we change the API with each 0.x version. This does > however mean you'd need to install SQLAlchemy using standard Python > setuptools methodologies and not via a deb package. The effort you're > making here would be towards porting the app to 0.5.8 based on your trace > below...we're already up to 0.7. With a straight install, it only means > SQLAlchemy would be installed under "site-packages" instead of > "dist-packages". > > > On Apr 29, 2011, at 8:54 PM, Mihir Sevak wrote: > >> Actually to be specific I am getting following error now >> >> >> Errorlog >> ***************************************************************************************** >> File '/home/mihir/development/web/web/controllers/real.py', line 187 in >> search >> total_matches = matching_products.count() >> File >> '/usr/local/lib/python2.6/dist-packages/SQLAlchemy-0.5.8-py2.6.egg/sqlalchemy/orm/query.py', >> line 1552 in count >> should_nest = should_nest[0] >> File >> '/usr/local/lib/python2.6/dist-packages/SQLAlchemy-0.5.8-py2.6.egg/sqlalchemy/orm/query.py', >> line 1583 in _col_aggregate >> return self.session.scalar(s, params=self._params, >> mapper=self._mapper_zero()) >> File >> '/usr/local/lib/python2.6/dist-packages/SQLAlchemy-0.5.8-py2.6.egg/sqlalchemy/orm/session.py', >> line 758 in scalar >> return self.execute(clause, params=params, mapper=mapper, **kw).scalar() >> File >> '/usr/local/lib/python2.6/dist-packages/SQLAlchemy-0.5.8-py2.6.egg/sqlalchemy/orm/session.py', >> line 750 in execute >> engine = self.get_bind(mapper, clause=clause, **kw) >> File >> '/usr/local/lib/python2.6/dist-packages/SQLAlchemy-0.5.8-py2.6.egg/sqlalchemy/orm/session.py', >> line 888 in get_bind >> ', '.join(context))) >> UnboundExecutionError: Could not locate a bind configured on mapper >> Mapper|Product|products, SQL expression or this Session >> >> ******************************************************************************************************* >> >> On Fri, Apr 29, 2011 at 8:32 PM, Mihir Sevak <mihir.se...@gmail.com> wrote: >> Hi Mike thanks very much for taking time to respond to my question. >> >> After taking the alias away it stopped complaining about that perticular >> line. But the function which was calling this function did not get query >> results. So tried to print "q" itself and it was the query-line itself >> instead >> of results. >> >> Something like >> >> "SELECT xXXX DESC" >> >> Is there some change in the way to read the results from "q" object? >> Because I have not changed a single letter of the code and what work >> on other platform doesn't work here. So i am confused. >> >> >> Thanks for your help. >> >> >> On Fri, Apr 29, 2011 at 8:13 PM, Michael Bayer <mike...@zzzcomputing.com> >> wrote: >> >> On Apr 29, 2011, at 1:55 PM, Mihir wrote: >> >> > @classmethod >> > def fulltext_adv(cls, search_string, raw_search=''): >> > q = Session.query(cls) >> > text_query = func.to_tsquery(search_string).alias('query') >> > q = q.filter(cls.tsv.op('@@')(text_query)) >> > if raw_search: >> > q = q.order_by(Product.name.op('ilike')(raw_search + >> > '%').desc()) >> > q = q.order_by(sa.desc(func.ts_rank_cd(cls.tsv, >> > sa.literal_column('query'), 1))) >> > return q >> > >> > AttributeError: Element to_tsquery(:to_tsquery_1) does not support >> > 'as_scalar()' >> >> you probably don't want to call "alias('query')" on the func.to_tsquery() >> object. that turns it into an aliased SELECT construct that isn't >> particularly appropriate to pass to an operator ('@@' above). >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sqlalchemy" group. >> To post to this group, send email to sqlalchemy@googlegroups.com. >> To unsubscribe from this group, send email to >> sqlalchemy+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/sqlalchemy?hl=en. >> >> >> >> >> -- >> "How can anything be impossible when impossible itself says I M Possible???" >> Mihir >> >> >> >> -- >> "How can anything be impossible when impossible itself says I M Possible???" >> Mihir >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sqlalchemy" group. >> To post to this group, send email to sqlalchemy@googlegroups.com. >> To unsubscribe from this group, send email to >> sqlalchemy+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/sqlalchemy?hl=en. > > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To post to this group, send email to sqlalchemy@googlegroups.com. > To unsubscribe from this group, send email to > sqlalchemy+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/sqlalchemy?hl=en. > > > > -- > "How can anything be impossible when impossible itself says I M Possible???" > Mihir > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To post to this group, send email to sqlalchemy@googlegroups.com. > To unsubscribe from this group, send email to > sqlalchemy+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/sqlalchemy?hl=en. -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.
