Re: ANY_VALUE aggregate
От
Vik Fearing
Тема
Re: ANY_VALUE aggregate
Дата
Msg-id
90e7a585-4613-7a00-cfd9-6c33473f30db@postgresfriends.org
Ответ на
Re: ANY_VALUE aggregate (Corey Huinker)
Список
Дерево обсуждения
ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
Re: ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
Re: ANY_VALUE aggregate Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Re: ANY_VALUE aggregate Tom Lane <tgl@sss.pgh.pa.us>
Re: ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
Re: ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
Re: ANY_VALUE aggregate Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Re: ANY_VALUE aggregate David Rowley <dgrowleyml@gmail.com>
Re: ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
Re: ANY_VALUE aggregate Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Re: ANY_VALUE aggregate Maciek Sakrejda <m.sakrejda@gmail.com>
Re: ANY_VALUE aggregate "David G. Johnston" <david.g.johnston@gmail.com>
Re: ANY_VALUE aggregate Tom Lane <tgl@sss.pgh.pa.us>
Re: ANY_VALUE aggregate Robert Haas <robertmhaas@gmail.com>
Re: ANY_VALUE aggregate Corey Huinker <corey.huinker@gmail.com>
Re: ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
Re: ANY_VALUE aggregate Isaac Morland <isaac.morland@gmail.com>
Re: ANY_VALUE aggregate Robert Haas <robertmhaas@gmail.com>
Re: ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
Re: ANY_VALUE aggregate "David G. Johnston" <david.g.johnston@gmail.com>
Re: ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
Re: ANY_VALUE aggregate "David G. Johnston" <david.g.johnston@gmail.com>
Re: ANY_VALUE aggregate Pantelis Theodosiou <ypercube@gmail.com>
Re: ANY_VALUE aggregate "David G. Johnston" <david.g.johnston@gmail.com>
Re: ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
Re: ANY_VALUE aggregate "David G. Johnston" <david.g.johnston@gmail.com>
Re: ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
Re: ANY_VALUE aggregate "David G. Johnston" <david.g.johnston@gmail.com>
Re: ANY_VALUE aggregate Vik Fearing <vik@postgresfriends.org>
On 12/5/22 20:31, Corey Huinker wrote: > > Adding to the pile of wanted aggregates: in the past I've lobbied for > only_value() which is like first_value() but it raises an error on > encountering a second value. I have had use for this in the past, but I can't remember why. What is your use case for it? I will happily write a patch for it, and also submit it to the SQL Committee for inclusion in the standard. I need to justify why it's a good idea, though, and we would need to consider what to do with nulls now that there is . -- Vik Fearing
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