Hi All,

I recently used pg_sequence_last_value() when working on a feature in an 
extension, and it would have been easier for me if there were some 
documentation for this function.

I'd like to help document this function if there are no objections.

Best,
Hanefi

-----Original Message-----
From: James Coleman <jtc...@gmail.com> 
Sent: 6 Ağustos 2020 Perşembe 16:14
To: pgsql-hackers <pgsql-hack...@postgresql.org>
Subject: [EXTERNAL] Any objection to documenting pg_sequence_last_value()?

The function pg_sequence_last_value() was added to underlie the pg_sequences 
view, and it's the only way I'm aware of from userspace to directly get the 
last value of a sequence globally (i.e., not within the current session like 
currval()/lastval()). Obviously you can join to the pg_sequences view, but 
that's sometimes unnecessarily cumbersome since it doesn't expose the relid of 
the sequence.

When that function got added it apparently wasn't added to the docs, though I'm 
not sure if that was intentional or not.

Does anyone have any objections to documenting
pg_sequence_last_value() in the sequence manipulation functions doc page?

James


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