Re: WIP Patch: Precalculate stable functions, infrastructure v1

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Marina Polyakova <m(dot)polyakova(at)postgrespro(dot)ru>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, Arthur Zakirov <a(dot)zakirov(at)postgrespro(dot)ru>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, David Steele <david(at)pgmasters(dot)net>
Subject: Re: WIP Patch: Precalculate stable functions, infrastructure v1
Date: 2018-10-02 02:22:52
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Hi Marina,

On Thu, May 24, 2018 at 04:00:33PM +0300, Marina Polyakova wrote:
> Here there's a 9-th version of the patches for the precalculation of stable
> or immutable functions, stable or immutable operators and other nonvolatile
> expressions. This is a try to execute cached expressions as PARAM_EXEC,
> thanks to the comments of Tom Lane and Andres Freund [1].

Please note that v9-0004 fails to apply, so a rebase is needed. This
patch is moved to next CF, waiting on author.

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