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Re: cursor with hold must be save to disk? - Mailing list pgsql-general

From Laurenz Albe
Subject Re: cursor with hold must be save to disk?
Date
Msg-id 2c62dd64316c1cf8b49bb4298603a73488e5d7be.camel@cybertec.at
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In response to cursor with hold must be save to disk?  (黄宁 <huangning0722@gmail.com>)
List pgsql-general
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On Fri, 2023-04-14 at 19:04 +0800, 黄宁 wrote:
> i want to use cursor with hold ,but when I declare a curosr , it takes a long
> time to save the result set to disk. can i save the query state in memory?
> and fetch forward the next result.

The complete result set has to be materialized.  It only spills to disk if it
is large.  That cannot be avoided.

Yours,
Laurenz Albe

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