your running datamapper model has 1 field, but the database has 8. you must migrate your database each time you change your model and then restart your app. Jus a guess. Some code here might help.
On Thu, Nov 21, 2013 at 12:50 PM, Christoph Blank <ch.bl...@gmail.com>wrote: > Hi there, > > Does anyone know what this Datamapper/mysql exception means? > ArgumentError (Field-count mismatch. Expected 1 fields, but the query > yielded 8): > > It happens not regularly, so I have no idea what it means > Shortly after it I get > DataObjects::SQLError (Lost connection to MySQL server during query) > > Thanks a lot, > Christoph > > -- > You received this message because you are subscribed to the Google Groups > "DataMapper" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to datamapper+unsubscr...@googlegroups.com. > To post to this group, send email to datamapper@googlegroups.com. > Visit this group at http://groups.google.com/group/datamapper. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "DataMapper" group. To unsubscribe from this group and stop receiving emails from it, send an email to datamapper+unsubscr...@googlegroups.com. To post to this group, send email to datamapper@googlegroups.com. Visit this group at http://groups.google.com/group/datamapper. For more options, visit https://groups.google.com/groups/opt_out.
