Pre: simplify values SQL expansion.
Pre: simplify values SQL expansion.

This uses `interpose` instead of manual looping.

mozilla/mentat,ncalexan/datomish,ncalexan/mentat,ncalexan/mentat,ncalexan/mentat,ncalexan/datomish,mozilla/mentat,ncalexan/mentat,mozilla/mentat,ncalexan/mentat,mozilla/mentat,mozilla/mentat,mozilla/mentat,ncalexan/mentat