Nested transaction for find_or_create_by! queries.
Nested transaction for find_or_create_by! queries.

For background see
https://apidock.com/rails/v4.2.7/ActiveRecord/Relation/find_or_create_by.

stoplightio/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,iiet/iiet-git,axilleas/gitlabhq,stoplightio/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,jirutka/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,dreampet/gitlab