Comment by jochapjo

If you're interested, this isn't an alternative implementation of ggsql's syntax (I published this last year and it is based on a slightly modified layered grammar), but the SGL language is a similar take on the grammar of graphics + SQL idea: https://arxiv.org/pdf/2505.14690. Currently implemented as an R package: https://sgl-projects.github.io/rsgl/index.html.