Re: where does postgres keep the query result until it is returned?

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От Willy-Bas Loos
Тема Re: where does postgres keep the query result until it is returned?
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Msg-id AANLkTinFO5EbBwL5o2XXmHjxx+_Tcf+89AxptDHE5SFL@mail.gmail.com
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Ответ на Re: where does postgres keep the query result until it is returned?  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: where does postgres keep the query result until it is returned?  (Sam Mason <sam@samason.me.uk>)
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> If the question was about the final query result sent to the client:
yes

> we don't spill that to disk, nor "hold" it anywhere.  The backend
> sends it to the client on-the-fly as each row is generated.
thanks, i didn't know that.
I asked because i have a function that produces a result in xml.
that is one row, one value even, but it grows pretty large.
how is that handled?

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