Re: wCTE behaviour

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От Tom Lane
Тема Re: wCTE behaviour
Дата
Msg-id 19206.1289502222@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: wCTE behaviour  (David Fetter <david@fetter.org>)
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David Fetter <david@fetter.org> writes:
> On Thu, Nov 11, 2010 at 12:36:38PM -0500, Merlin Moncure wrote:
>> On Thu, Nov 11, 2010 at 12:13 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> then the conclusion is foregone. �To my mind, they should be thought of
> as running in parallel, or at least in an indeterminate order, just
> exactly the same way that different data modifications made in a single
> INSERT/UPDATE/DELETE command are considered to be made simultaneously.
>> 
>> +1

> -1.

> When people want to see what has gone before, they can use RETURNING
> clauses.  With the "indeterminate order" proposal, they cannot.

Say what?  The RETURNING data is well defined in any case.
        regards, tom lane


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