diff options
| -rw-r--r-- | activerecord/lib/active_record/relation.rb | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index add95f6a0a..ea8f44752b 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -468,7 +468,19 @@ module ActiveRecord end end - def update_counters(counters) # :nodoc: + # Updates the counters of the records in the current relation. + # + # === Parameters + # + # * +counter+ - A Hash containing the names of the fields to update as keys and the amount to update as values. + # * <tt>:touch</tt> option - Touch the timestamp columns when updating. + # * If attributes names are passed, they are updated along with update_at/on attributes. + # + # === Examples + # + # # For Posts by a given author increment the comment_count by 1. + # Post.where(author_id: author.id).update_counters(comment_count: 1) + def update_counters(counters) touch = counters.delete(:touch) updates = {} |