Basic SQL sure, but the moment you start getting into complex operations, upserts, extensions, functions, custom aggregate operators, arrays, HStores, etc it ge

Basic SQL sure, but the moment you start getting into complex operations, upserts, extensions, functions, custom aggregate operators, arrays, HStores, etc it gets complicated. At least for me. I would not be able to do this super quickly: https://stackoverflow.com/a/42939280 https://stackoverflow.com/a/42939280