Another one missed, quite a long time ago, too..: On 4th of November 2016, Kevin Grittner committed patch: Implement syntax for transition tables in AFTER triggers. This is infrastructure for the complete SQL standard feature. No support is included at this point for ...

I got asked this: having this table: # select * from a order by d; t | d ---+---- O | 1 O | 2 O | 3 M | 4 M | 5 M ...