Re: FOR UPDATE/SHARE incompatibility with GROUP BY, DISTINCT, HAVING and window functions - Mailing list pgsql-hackers

From Michael Paquier
Subject Re: FOR UPDATE/SHARE incompatibility with GROUP BY, DISTINCT, HAVING and window functions
Date
Msg-id CAB7nPqRsyvp6dU7AT6V9qbNLJu_Eo2ByyGZSD0ytwe4p-XwkRw@mail.gmail.com
Whole thread Raw
In response to Re: FOR UPDATE/SHARE incompatibility with GROUP BY, DISTINCT, HAVING and window functions  (Bruce Momjian <bruce@momjian.us>)
List pgsql-hackers
On Sat, Feb 1, 2014 at 6:37 AM, Bruce Momjian <bruce@momjian.us> wrote:
> 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.
Thanks.
-- 
Michael



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