Using results from RETURNING

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От Shak
Тема Using results from RETURNING
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Msg-id h00ri7$1t2h$1@news.hub.org
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Ответы Re: Using results from RETURNING  (Craig Ringer <craig@postnewspapers.com.au>)
Список pgsql-general
Hi all,

When RETURNING from a DELETE statement (or similar), how do you access the
results being returned?

Something like:

SELECT COUNT(*) FROM (DELETE FROM a RETURNING *) ;

sounds reasonable but results in a syntax error. I am able to return single
results into a variable or record, but not more than one result.

I could use a SELECT ... FOR UPDATE in the meantime, I just wanted to know
what the use of RETURNING * was if you can't do anything with the results.

Thanks!

Shak


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