On Jul 30, 2007, at 8:13 AM, Arun Kumar PG wrote:
> Guys, > > I am using SA with MySQL. I am trying to update a record by making > a call to session.update(obj). In response I am getting > "ConcurrentModificationError: Updated rowcount 0 does not match > number of objects updated 1" > > What are the possible reasons for this error? > the UPDATE statement issued fails to find any rows which match the expected criterion. the "concurrent" part comes from the idea that some other process has already updated the row; however if the UPDATE statement isnt formed correctly, or if the "rowcount" function on your DBAPI is busted, that will do it too. --~--~---------~--~----~------------~-------~--~----~ 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 [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
