backend: Auto-generate origin visit stats upsert query
This will help us when adding new fields to the table.
Related to #2345
Migrated from D5914 (view on Phabricator)
Staging instance, all changes can be removed at any time
This will help us when adding new fields to the table.
Related to #2345
Migrated from D5914 (view on Phabricator)