Method: ActiveRecord::Relation#delete_by

Defined in:

activerecord/lib/active_record/relation.rb

#delete_by(*args) ⇒ Object

Finds and deletes all records matching the specified conditions. This is short-hand for relation.where(condition).delete_all. Returns the number of rows affected.

If no record is found, returns 0 as zero rows were affected.

Person.delete_by(id: 13)
Person.delete_by(name: 'Spartacus', rating: 4)
Person.delete_by("published_at < ?", 2.weeks.ago)

# File 'activerecord/lib/active_record/relation.rb', line 1119

def delete_by(*args)
  where(*args).delete_all
end