Re: Using FOREIGN TABLE to get the Size of the Actual Remote Table Behind it

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От Laurenz Albe
Тема Re: Using FOREIGN TABLE to get the Size of the Actual Remote Table Behind it
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Msg-id 4496811616006330d67b6c309b1028f20eb5b36c.camel@cybertec.at
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Ответ на Using FOREIGN TABLE to get the Size of the Actual Remote Table Behind it  (Avi Weinberg <AviW@gilat.com>)
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On Thu, 2022-01-13 at 09:49 +0000, Avi Weinberg wrote:
> Is it possible to get the size of the table a foreign table is pointing to (without creating
> another connecting to the remote server)?  Obviously this "select
> pg_size_pretty(pg_total_relation_size('f_table'))" returns 0.

No, there is no straightforward way to do that.

What you could do is create a view on the remote database that provides the
required information and access that view via a foreign table.

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com




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