Re: [PG19] A canceled notify read leaves the NOTIFY queue stuck

From: shihao zhong <zhong950419(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, joel(at)compiler(dot)org, arseniy(dot)mukhin(dot)dev(at)gmail(dot)com
Subject: Re: [PG19] A canceled notify read leaves the NOTIFY queue stuck
Date: 2026-10-22 16:40:22
Message-ID: CAGRkXqSQbfKaEx9_z4PqM-iXsscqG4ByKEf4QTLUDp=Bh22icA@mail.gmail.com
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Hi Tom,

Thanks for committing that. Let's close the open item for v19.

> I'm still interested in whether we can avoid blocking on a safe
> snapshot, but that's clearly material for future development.

I can spend some time tonight to see what we can do about it.

Looks like I owe you quite a few patches, varno0, the WIN1252
validator, and this one. I will get them sorted out for you soon.

Thanks,
Shihao

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