causes errors, because ActiveRecord caches column names.
Workaround for ActiveRecord up to 3.0.9 was to override #columns method in
the model and filter out deprecated column names before migration
(basically - hide these columns from AR). This worked because all column
name related methods were based on #columns call
In ActiveRecord starting with 3.1.0 caching of table structures is moved to
ConnectionPool, and all column name related values (e.g. coluumns_hash) are
Is there any way (other than deep-hack of concrete adapters) to achieve
safe column drop in ActiveRecord > 3.0 ?
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@example.com.
To unsubscribe from this group, send email to firstname.lastname@example.org.
To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/rIJ8E1fMimwJ.
For more options, visit https://groups.google.com/groups/opt_out.