Re: How to avoid inlining subquery result columns

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От Tom Lane
Тема Re: How to avoid inlining subquery result columns
Дата
Msg-id 28530.1063299937@sss.pgh.pa.us
обсуждение исходный текст
Ответ на How to avoid inlining subquery result columns  (Greg Stark <gsstark@mit.edu>)
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Greg Stark <gsstark@mit.edu> writes:
> I recall there was a way to defeat this optimization involving introducing an
> extra subquery layer somewhere.

I think adding "OFFSET 0" to a subquery is the simplest way to prevent
it from being flattened.

            regards, tom lane

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