https://discuss.rubyonrails.org/t/19085-activerecord-collectionproxy-delete-all-and-activerecord-relation-delete-all-do-not-follow-the-principle-of-least-surprise/70332
#19085 - ActiveRecord::CollectionProxy#delete_all and ActiveRecord::Relation#delete_all do not...
Feb 26, 2015 - As per a suggestion from Sean Griffin, I am moving the conversation about closed issue #19085 to this mailing list. I disagree with Sean about whether this is...
delete allactiverecordrelation