Re: [HACKERS] [PATCH] A hook for session start

On Tue, Aug 1, 2017 at 3:37 PM, Peter Eisentraut
<peter.eisentraut@2ndquadrant.com> wrote:
> On 7/21/17 12:59, Robert Haas wrote:
>> That's an exceedingly-weak argument for rejecting this patch.  The
>> fact that you can probably hack around the lack of a hook for most
>> reasonable use cases is not an argument for having a hook that does
>> what people actually want to do.
>
> Still nobody has presented a concrete use case so far.

I've been asked for this at EDB, too.  Inserting a row into some table
on each logon, for example.

A quick Google search found 6 previous requests for this feature, some
of which describe intended use cases:

https://www.postgresql.org/message-id/4EBC6852.5030605@fuzzy.cz (2011)
https://www.postgresql.org/message-id/CAHyXU0wrsYShxmwBxZSGYoiBJa%3DgzEJ17iAeRvaf_vA%2BcoH_qA%40mail.gmail.com
(2011)
https://www.postgresql.org/message-id/BAY104-W513CF26C0046C9D28747B8D1DD0@phx.gbl
(2009, in Spanish)
https://www.postgresql.org/message-id/758d5e7f0803130227m558d32cdl7159bed00d21f084%40mail.gmail.com
(2008)
https://www.postgresql.org/message-id/001a01c48077%240b118e60%240200030a%40gendron.ca
(2004)
https://www.postgresql.org/message-id/F96SgcOrBLSAQV6uPDV00000a2b@hotmail.com
(2000)

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company