On May 26, 2014, at 9:03 AM, Ronald Fischer wrote: > Walter Davis wrote in post #1147113: >> ActiveRecord already has a finder that can do all this in one line: >> Assuming that's the only thing needed to create or find an existing >> Dict, you should be all good there. > > No, it should not create one. If there is no suitable record, I want to > display an error message to the user. Hence, find_or_create isn't > suitable for me. > > BTW, I also tried > > Dict.find(:dictname => dict_name) > > but this too complained that there is a hash, which can't be converted > to an integer.
Dict.find_by_dictname() will do that for you. If you add the bang to it, you will get a full-on error, if you don't you will get nil and no error is raised. If you are using the error to trigger your 404, then you want the bang version. Walter > > Ronald > > -- > Posted via http://www.ruby-forum.com/. > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/27a85af7e65236ed0636ef2941572b0a%40ruby-forum.com. > For more options, visit https://groups.google.com/d/optout. -- 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 [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/C245783E-9001-4EFF-8B7E-39565B157E26%40wdstudio.com. For more options, visit https://groups.google.com/d/optout.
