It's difficult to grant an untrusted client a level of raw SQL access that won't let them do harm. For example, even without access to any specific table or fu

It's difficult to grant an untrusted client a level of raw SQL access that won't let them do harm. For example, even without access to any specific table or function, even with rate limits, I can denial-of-service the server by asking it to make a massive recursive pure computation.