Re: FOR UPDATE/SHARE incompatibility with GROUP BY, DISTINCT, HAVING and window functions
От | Bruce Momjian |
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Тема | Re: FOR UPDATE/SHARE incompatibility with GROUP BY, DISTINCT, HAVING and window functions |
Дата | |
Msg-id | 20140131213741.GS19957@momjian.us обсуждение исходный текст |
Ответ на | FOR UPDATE/SHARE incompatibility with GROUP BY, DISTINCT, HAVING and window functions (Michael Paquier <michael.paquier@gmail.com>) |
Ответы |
Re: FOR UPDATE/SHARE incompatibility with GROUP BY,
DISTINCT, HAVING and window functions
|
Список | pgsql-hackers |
On Mon, Aug 5, 2013 at 04:20:40PM +0900, Michael Paquier wrote: > Hi all, > > By having a look at the documentation of SELECT, it is not specified that FOR > SHARE/UPDATE and friends are incompatible with the clauses in $subject > http://www.postgresql.org/docs/9.2/static/sql-select.html > This restriction is explicitly cited for INTERSECT and UNION though, so people > can get easily confused IMHO for the other clauses. > > Does it make sense to mention in the documentation those limitations like in > the patch attached? If yes, perhaps this should be back-patched, after removing > the part about FOR NO KEY UPDATE and FOR KEY SHARE of course from the patch > attached for 9.2 and prior versions... > Regards, Patch applied. Thanks. -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + Everyone has their own god. +
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