Re: Backport "WITH ... AS MATERIALIZED" syntax to <12?

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От Andrew Dunstan
Тема Re: Backport "WITH ... AS MATERIALIZED" syntax to <12?
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Msg-id 5a680a43-2d04-a1b1-7a97-6c4ebec311cb@2ndQuadrant.com
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Ответ на Re: Backport "WITH ... AS MATERIALIZED" syntax to <12?  (Isaac Morland <isaac.morland@gmail.com>)
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On 10/19/19 11:10 AM, Isaac Morland wrote:
> On Sat, 19 Oct 2019 at 10:53, Andrew Dunstan
> <andrew.dunstan@2ndquadrant.com
> <mailto:andrew.dunstan@2ndquadrant.com>> wrote:
>
>
>     > In general, I'm not opposed to accepting and ignoring the
>     MATERIALIZED
>     > syntax (assuming we'd only accept AS MATERIALIZED, but not the
>     negative
>     > variant).
>     >
>     > FWIW I'm not sure the "we don't want to upgrade application code
>     at the
>     > same time as the database" is really tenable.
>
>     I'm -1 for exactly this reason.
>
>     In any case, if you insist on using the same code with pre-12 and
>     post-12 releases, this should be achievable (at least in most
>     cases) by
>     using the "offset 0" trick, shouldn't it?
>
>
> That embeds a temporary hack in the application code indefinitely.
>
> If only we had Guido's (Python) time machine. We could go back and
> start accepting "AS MATERIALIZED" as noise words starting from version
> 7 or something.



let me know when that's materialized :-)


cheers


andrew


-- 
Andrew Dunstan                https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services




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