rails/rails — comment on commit 0be5adaedf6565630bed04c6c651f3ff8d77c5b8
File: activerecord/lib/active_record/explain.rb line 100
By josevalim:

IMHO people should always invoke this method as
"ActiveRecord::Base.silence_auto_explain" because this is what it will do
in practice (silence all queries for that thread).