diff options
| -rw-r--r-- | activerecord/lib/active_record/relation.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index 8b30a48c1c..6f602e4a23 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -362,6 +362,9 @@ module ActiveRecord # # # Update all books that match conditions, but limit it to 5 ordered by date # Book.where('title LIKE ?', '%Rails%').order(:created_at).limit(5).update_all(author: 'David') + # + # # Update all invoices and set the number column to its id value. + # Invoice.update_all('number = id') def update_all(updates) raise ArgumentError, "Empty list of attributes to change" if updates.blank? |