[sqlalchemy] Re: Getting useful error messages
Ok...maybe I'm missing something, but why wasn't that raised in this case instead of the rather cryptic exception? 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.
Re: [sqlalchemy] Re: Getting useful error messages
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.
[sqlalchemy] Re: Getting useful error messages
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? -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 at http://groups.google.com/group/sqlalchemy?hl=en.
Re: [sqlalchemy] Re: Getting useful error messages
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 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.
