2009/7/28 Rob Biedenharn <[email protected]>: > > On Jul 28, 2009, at 11:58 AM, Craig White wrote: > >> >> I have a problem with a table that has a field named 'type' >> >> When I try to use active record in a console, I get this error... >> >> ActiveRecord::SubclassNotFound: The single-table inheritance mechanism >> failed to locate the subclass: '10'. This error is raised because the >> column 'type' is reserved for storing the class in case of >> inheritance. >> Please rename this column if you didn't intend it to be used for >> storing >> the inheritance class or overwrite Debtortrans.inheritance_column to >> use >> another column for that information. >> >> Since I can't rename the column because the software creating it needs >> this, is it possible to alias the name somehow within rails, perhaps >> in >> the model? >> >> Craig > > > The default value for the inheritance_column is "type" so you just > need to change that to something else and then you should be able to > use 'type' normally for your legacy data. > > class Debtortrans > inheritance_column :not_used > end > > (Assuming that there isn't a column named "not_used" in that table, of > course. ;-) >
http://www.ruby-forum.com/topic/101557 suggests that just changing the inheritance column name may not be enough, it may also be necessary to provide access methods as type is a reserved word. The link suggests a solution. Colin --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
