class RuboCop::Cop::Rails::IgnoredColumnsAssignment


end
self.ignored_columns += [:two]
self.ignored_columns += [:one]
class User < ActiveRecord::Base
# good
end
self.ignored_columns += [:one, :two]
class User < ActiveRecord::Base
# good
end
self.ignored_columns = [:one, :two]
class User < ActiveRecord::Base
# bad
end
self.ignored_columns = [:one]
class User < ActiveRecord::Base
# bad
@example
a problem, it is better to simply append to the list.
un-ignore the first set of columns. Since duplicate column names is not
Overwriting previous assignments is usually a mistake, since it will
assignments.
Looks for assignments of ‘ignored_columns` that may override previous

def on_send(node) 

def on_send(node)
  add_offense(node.loc.operator) do |corrector|
    corrector.replace(node.loc.operator, '+=')
  end
end