diff options
Diffstat (limited to 'lib/gitlab/database/subquery.rb')
-rw-r--r-- | lib/gitlab/database/subquery.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/gitlab/database/subquery.rb b/lib/gitlab/database/subquery.rb new file mode 100644 index 00000000000..2a6f39c6a27 --- /dev/null +++ b/lib/gitlab/database/subquery.rb @@ -0,0 +1,16 @@ +# frozen_string_literal: true + +module Gitlab + module Database + module Subquery + class << self + def self_join(relation) + t = relation.arel_table + t2 = relation.arel.as('t2') + + relation.unscoped.joins(t.join(t2).on(t[:id].eq(t2[:id])).join_sources.first) + end + end + end + end +end |