Re: [sqlalchemy] (IntegrityError) null value in column post_id violates not-null constraint
On Oct 4, 2010, at 1:34 AM, Anton Shestakov wrote: Hello all, So, here's simple script that produces the error: http://pastie.org/1197851 please take a look at it, the script isn't big at all and there's traceback for the error as well. In short, it issues a query to get a simple object (Post) with one-to-many relation tag_links (i.e. array of PostTagLink instances), then it does post.tag_links = [] and tries to Session.commit() it. And fails terribly. Guts tell me I may be doing something wrong, but I don't know what exactly. I'll greatly appreciate your help. Best regards, Anton Shestakov. you need delete-orphan cascade. http://www.sqlalchemy.org/docs/orm/tutorial.html#configuring-delete-delete-orphan-cascade -- 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] (IntegrityError) null value in column post_id violates not-null constraint
2010/10/4 Michael Bayer mike...@zzzcomputing.com: On Oct 4, 2010, at 1:34 AM, Anton Shestakov wrote: Hello all, So, here's simple script that produces the error: http://pastie.org/1197851 please take a look at it, the script isn't big at all and there's traceback for the error as well. In short, it issues a query to get a simple object (Post) with one-to-many relation tag_links (i.e. array of PostTagLink instances), then it does post.tag_links = [] and tries to Session.commit() it. And fails terribly. Guts tell me I may be doing something wrong, but I don't know what exactly. I'll greatly appreciate your help. Best regards, Anton Shestakov. you need delete-orphan cascade. http://www.sqlalchemy.org/docs/orm/tutorial.html#configuring-delete-delete-orphan-cascade Oh. Thanks for your answer. I feel stupid for asking this question now that is answered in the tutorial. Well, serves me right. -- 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.
