Re: [BUGS] Status of issue 4593 - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [BUGS] Status of issue 4593
Date
Msg-id 28174.1231767158@sss.pgh.pa.us
Whole thread Raw
In response to Re: [BUGS] Status of issue 4593  (Peter Eisentraut <peter_e@gmx.net>)
Responses Re: [BUGS] Status of issue 4593
Re: [BUGS] Status of issue 4593
Re: [BUGS] Status of issue 4593
List pgsql-hackers
Peter Eisentraut <peter_e@gmx.net> writes:
> I can see two ways forward:

> 1) We document bluntly that ORDER BY + FOR UPDATE can return unordered 
> results, or

> 2) We prohibit ORDER BY + FOR UPDATE, like we do with a number of other 
> clauses.  (There would be no loss of functionality, because you can run 
> the query a second time in the transaction with ORDER BY.)

That code has been working like this for eight or ten years now and this
is the first complaint, so taking away functionality on the grounds that
someone might happen to update the ordering column doesn't seem like the
answer to me.
        regards, tom lane


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