> > On Wed, Sep 1, 2010 at 5:14 AM, Dobrysmak <lukasz.szyman...@gmail.com>wrote: > [...] > > "ConcurrentModificationError: Updated rowcount 0 does not match number > of objects updated 1" > > Mabey there's a better way to do this? > Anyone have a clue? >
Hi :) you should have to many-to-many relationships and two association tables: messages_users_receiving and messages_users_sending. So you configure two many to many relationships with different secondary tables. Cheers, Francisco Souza Software developer at Giran and also full time Open source evangelist at full time English: http://www.franciscosouza.net Portuguese: http://www.franciscosouza.com.br Twitter: @franciscosouza +55 27 3026 0264 On Wed, Sep 1, 2010 at 5:14 AM, Dobrysmak <lukasz.szyman...@gmail.com>wrote: > Hi. > I'm building a db with many-to-many relations, ex. > * Table Users > * Table Messages > * Table Messages_Users > > when the users sends a message to other users i'm inserting that > message to the db like so, > > *Messages <- insert 1 row with the message, values ( title, text , > date, etc... ) > > *Messages_Users <- insert 2 rows ( one with connetion to the sending > user and message,second with connection to the recieving user and > message), values ( user_id, message_id, id_from, id_to, etc...) > > at the process of inserting the second row to the Messages_Users table > i'm getting an error, > > "ConcurrentModificationError: Updated rowcount 0 does not match number > of objects updated 1" > > Mabey there's a better way to do this? > Anyone have a clue? > > -- > 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<sqlalchemy%2bunsubscr...@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.
