I implemented something like this for a log platform I was working on. The user would write queries in Apache lucene, and they would be converted into json, and

I implemented something like this for a log platform I was working on. The user would write queries in Apache lucene, and they would be converted into json, and then a specific sql query. It worked nice, but apart from querying logs, I don’t see a use case where one would do this rather than just creating api endpoints.