If this is how you want to compile to SQL, why not invent your own DCG with Prolog proper? It should be easy enough if you're somewhat fluent in both languages

If this is how you want to compile to SQL, why not invent your own DCG with Prolog proper? It should be easy enough if you're somewhat fluent in both languages, and has the perk of not being some Python thing at a megacorp famous for killing its projects.