Given that https://www.postgresql.org/docs/15/features-sql-standard.html https://www.postgresql.org/docs/15/features-sql-standard.htm... doesn’t mention them, I

Given that https://www.postgresql.org/docs/15/features-sql-standard.html https://www.postgresql.org/docs/15/features-sql-standard.htm... doesn’t mention them, I expect them to be non-standard. (The word ‘range’ appears once there, in “F404. Range variable for common column names”, but reading the English parts of https://github.com/dazuiba008/digoal_blog_fork/blob/master/202104/20210401_02.md https://github.com/dazuiba008/digoal_blog_fork/blob/master/2..., it’s clear that isn’t about range types)