Re: add function for creating/attaching hash table in DSM registry

From: Nathan Bossart <nathandbossart(at)gmail(dot)com>
To: Rahila Syed <rahilasyed90(at)gmail(dot)com>
Cc: Florents Tselai <florents(dot)tselai(at)gmail(dot)com>, Sami Imseih <samimseih(at)gmail(dot)com>, Dagfinn Ilmari Mannsåker <ilmari(at)ilmari(dot)org>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: add function for creating/attaching hash table in DSM registry
Date: 2025-06-17 18:41:54
Message-ID: aFG28hZuqhxfGNmr@nathan
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On Tue, Jun 17, 2025 at 11:57:33AM -0500, Nathan Bossart wrote:
> I like this idea, but I took it one step further in the attached patch and
> made the registry entry struct flexible enough to store any type of entry.
> Specifically, I've added a new "type" enum followed by a union of the
> different structs used to store the entry data. I was originally trying to
> avoid this kind of invasive change, but it's not nearly as complicated as I
> feared, and there are benefits such as fewer shared memory things to juggle
> and better sanity checking. It should also be easy to extend in the
> future. WDYT?

Sorry for the noise. I noticed a couple of silly mistakes in v9.

--
nathan

Attachment Content-Type Size
v10-0001-simplify-creating-hash-table-in-dsm-registry.patch text/plain 19.7 KB

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