diff options
| -rw-r--r-- | app/models/user_interacted_project.rb | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/app/models/user_interacted_project.rb b/app/models/user_interacted_project.rb index 064746457cf..68cb3c01c50 100644 --- a/app/models/user_interacted_project.rb +++ b/app/models/user_interacted_project.rb @@ -23,11 +23,17 @@ class UserInteractedProject < ActiveRecord::Base } cached_exists?(attributes) do - begin - find_or_create_by!(attributes) - true # not caching the whole record here for now - rescue ActiveRecord::RecordNotUnique - retry + transaction(requires_new: true) do + begin + where(attributes).select(1).first || create!(attributes) + true # not caching the whole record here for now + rescue ActiveRecord::RecordNotUnique + # Note, above queries are not atomic and prone + # to race conditions (similar like #find_or_create!). + # We retry and make sure the outer transaction (if any) + # is not aborted because of this. + retry + end end end end |