Re: [HACKERS] [PATCH v2] Add and report the new "session_read_only"GUC pseudo-variable.

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От Melanie Plageman
Тема Re: [HACKERS] [PATCH v2] Add and report the new "session_read_only"GUC pseudo-variable.
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Msg-id CAAKRu_aDP48VEVaZun4xccyAKTxBReDiLda9aaE2mFFMjW3Zng@mail.gmail.com
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Ответ на Re: [HACKERS] [PATCH v2] Add and report the new "session_read_only" GUC pseudo-variable.  (Elvis Pranskevichus <elprans@gmail.com>)
Ответы Re: [HACKERS] [PATCH v2] Add and report the new "session_read_only" GUC pseudo-variable.  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Mon, Sep 24, 2018 at 9:28 AM Elvis Pranskevichus <elprans@gmail.com> wrote:
On Thursday, March 1, 2018 4:25:16 AM EDT Andres Freund wrote:
> A CF entry for this patch has been created yesterday, without any
> changes having happend since the above status update.  Given that
> there's been no progress for multiple commitfests, and this is the
> last CF, this doesn't seem appropriate. Therefore marked as returned
> with feedback.

Sorry for the long silence on this.  I'm attaching a rebased and
cleaned-up patch with the earlier review issues addressed.  I've checked
all relevant tests and verified manually.

                             Elvis

After taking a look at the updated patch, it appears to address the review
feedback which I provided. However, the patch didn't apply cleanly for me, so
it likely needs a quick look along with a rebase.

After looking at the patch [1] to add a "prefer-read" option to
target-session-attrs which is also up for consideration this commitfest, I was
wondering, assuming it is desirable to have both "prefer-read" and "read-only"
modes, does it make sense for the "prefer-read" option to also be implemented
with a ParameterStatus message instead of using polling?

[1] https://commitfest.postgresql.org/20/1677/

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