simplifies ActiveRecord::ExplainSubscriber [José Valim & Xavier Noria]

1 files changed, 6 insertions, 8 deletions

diff --git a/activerecord/lib/active_record/explain_subscriber.rb b/activerecord/lib/active_record/explain_subscriber.rb
index 8a88be6761..aa5cf263a6 100644
--- a/activerecord/lib/active_record/explain_subscriber.rb
+++ b/activerecord/lib/active_record/explain_subscriber.rb
@@ -1,13 +1,11 @@
-module ActiveRecord
-  class ExplainSubscriber < ActiveSupport::LogSubscriber
-    def sql(event)
-      ActiveRecord::Base.collect_queries_for_explain(event.payload)
-    end
+require 'active_support/notifications'
 
-    def logger
-      ActiveRecord::Base.logger
+module ActiveRecord
+  class ExplainSubscriber
+    def call(*args)
+      ActiveRecord::Base.collect_queries_for_explain(args.last)
     end
 
-    attach_to :active_record
+    ActiveSupport::Notifications.subscribe("sql.active_record", new)
   end
 end