method

readonly

rails latest stable - Class: ActiveRecord::QueryMethods

readonly(value = true)

public

Mark a relation as readonly. Attempting to update a record will result in an error.

users = User.readonly
users.first.save
=> ActiveRecord::ReadOnlyRecord: User is marked as readonly

To make a readonly relation writable, pass false.

users.readonly(false)
users.first.save
=> true

# File activerecord/lib/active_record/relation/query_methods.rb, line 1208
    def readonly(value = true)
      spawn.readonly!(value)
    end