diff options
Diffstat (limited to 'activerecord/lib/active_record/relation')
| -rw-r--r-- | activerecord/lib/active_record/relation/finder_methods.rb | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 1ba7fc47c0..180bc64e3a 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -1,3 +1,5 @@ +require 'active_support/deprecation' + module ActiveRecord module FinderMethods ONE_AS_ONE = '1 AS one' @@ -280,7 +282,12 @@ module ActiveRecord # Person.exists?(false) # Person.exists? def exists?(conditions = :none) - conditions = conditions.id if Base === conditions + if Base === conditions + conditions = conditions.id + ActiveSupport::Deprecation.warn "You are passing an instance of ActiveRecord::Base to `exists?`." \ + "Please pass the id of the object by calling `.id`" + end + return false if !conditions relation = apply_join_dependency(self, construct_join_dependency) |