Gary Clarke <gary(at)onedb(dot)online> writes:
> Even if I set to verbose, Postgres outputs a very strange abbreviation for interval unit months that nobody else uses or would expect.
[ shrug... ] This is documented:
https://www.postgresql.org/docs/current/datatype-datetime.html#DATATYPE-INTERVAL-OUTPUT
If we were to change it now, decades after the fact, what we'd mostly
accomplish is to break applications.
regards, tom lane