class ActiveRecord::StaleObjectError
Raised on attempt to save stale record. Record is stale when it's being saved in another query after instantiation, for example, when two users edit the same wiki page and one starts editing and saves the page before the other.
Read more about optimistic locking in ActiveRecord::Locking module documentation.
Attributes
attempted_action[R]
record[R]
Public Class Methods
# File activerecord/lib/active_record/errors.rb, line 160 def initialize(record = nil, attempted_action = nil) if record && attempted_action @record = record @attempted_action = attempted_action super("Attempted to #{attempted_action} a stale object: #{record.class.name}.") else super("Stale object error.") end end
Calls superclass method
© 2004–2018 David Heinemeier Hansson
Licensed under the MIT License.