Re: Improving scalability of Parallel Bitmap Heap/Index Scan

From: David Geier <geidav(dot)pg(at)gmail(dot)com>
To: shihao zhong <zhong950419(at)gmail(dot)com>
Cc: John Naylor <johncnaylorls(at)gmail(dot)com>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Improving scalability of Parallel Bitmap Heap/Index Scan
Date: 2026-10-19 13:57:47
Message-ID: 095fe589-8530-4dd7-9726-b9f02aa6c3c4@gmail.com
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> v3 looks good to me.

Cool!

> One thing I put under 0002 last time is really about 0001. With
> ST_COMPARE_RUNTIME_POINTER and a pointer element type, the typedef
> gives const Item ** but the sort passes Item **, so clang does not like it.
>
>
> Writing ST_ELEMENT_TYPE const * in the typedef fixes it.
I see. But seems like nothing in our code base triggers that. I leave it
to John to make the call if we want to fix that or leave as is for now.

--
David Geier

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