Thanks, I found it out. I didn't take over the database configuration to the new branch, so it was my mistake. Thats why i deleted this message.
Martin Frederick Cheung writes: > On Saturday, December 5, 2015 at 1:11:54 PM UTC, Martin wrote: > > >> - merging master to branch a because of this important changes, so a is >> ahead of master not just a fork. >> - now I put a copy of the production database to the development database >> >> of course now the migration first created in a is not there, because it >> never reached master, but because it has a lower number than the last >> migration in master, rake db:migrate does not do anything. > > That doesn't sound right - rake db:migrate runs migrations that have not been > run by comparing the contents of the schema_migrations table with the list of > available migrations: it doesn't just assume that everything upto the largest > entry has been run (unless possibly you are using the legacy pre rails 2 > migration numbering scheme - no idea if that is still possible) > > The only exception to this is that if you run db:schema:load then it assumes > all migrations upto the version named in schema.rb have run. > > Fred > > >> now I tried to give the migration file a newer number, but then rake >> db:migrate tells me the table created in the migration would be allready >> there. but looking directly inside the database it is not there. >> >> What do I miss and how can I fix this? >> >> note: it could also be because i just changed the db schema from sqlite to >> mysql2. >> >> it seems that rake db:migrate works on the sqlite, not on thy msql table? >> >> Thanks for help, >> Martin -- Mag. Martin Kaffanke http://www.kaffanke.at +43 650 4514224 -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/87k2otj8a6.fsf%40gmail.com. For more options, visit https://groups.google.com/d/optout.