Re: no description function pg_sequence_last_value in the documents，but using \df+ pg_sequence_last_value get this function in the psql

[Tom Lane]

"yanliang lei" <msdnch...@163.com> writes:
>  pg_catalog | pg_sequence_last_value | bigint       | regclass     | º¯Êý | 
> ²»Îȶ¨ÐÔ | ²»°²ȫµÄ | pg170  | µ÷ÓÃÕß |          | internal | 
> pg_sequence_last_value | sequence last value

I believe that's only intended as support for the pg_sequences view,
so it's not separately documented.  There are a fair number of other
view-supporting functions that we don't document either.

                        regards, tom lane