Hollister wrote: > Ok...maybe I'm missing something, but why wasn't that raised in this > case instead of the rather cryptic exception?
I'm looking back and I don't see that we've established specifically what "this case" is. Would need to see that in order to investigate. > > On Feb 18, 4:59 pm, Michael Bayer <mike...@zzzcomputing.com> wrote: >> On Feb 18, 2010, at 1:16 PM, Hollister wrote: >> >> > I ran into this also and it was caused by forgetting to map the class >> > to the table. >> > Make sure you have a line like: >> >> > orm.mapper(TaskAction, taskaction_table) >> >> > Mike: should there be a more specific error message for a missing >> > mapping? >> >> there's a very specific error for that its >> sqlalchemy.orm.exc.UnmappedError. >> >> >> >> > -aw >> >> > On Feb 3, 11:04 am, "Michael Bayer" <mike...@zzzcomputing.com> wrote: >> >> King Simon-NFHD78 wrote: >> >> >>> The line below the one you're complaining about is telling you what >> the >> >>> column in question is: >> >> >>> Invalid column expression '<class '__main__.TaskAction'>' >> >> >>> So somehow, you've passed your TaskAction class in a place where SA >> is >> >>> expecting a column expression. I think we'd need to see the command >> that >> >>> you actually typed in to work out what the problem is. >> >> >> Also, again, please upgrade to 0.5.8. Hundreds of bugs and >> sub-optimal >> >> behaviors have been fixed since 0.5.4p2 so you may get better >> results. >> >> >>> Simon >> >> >>> -- >> >>> You received this message because you are subscribed to the Google >> Groups >> >>> "sqlalchemy" group. >> >>> To post to this group, send email to sqlalch...@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 sqlalch...@googlegroups.com. >> > To unsubscribe from this group, send email to >> sqlalchemy+unsubscr...@googlegroups.com. >> > For more options, visit this group >> athttp://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 sqlalch...@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 sqlalch...@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.