Re: Parallel Full Hash Join

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Melanie Plageman <melanieplageman(at)gmail(dot)com>, Ian Lawrence Barwick <barwick(at)gmail(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, vignesh C <vignesh21(at)gmail(dot)com>, Greg Nancarrow <gregn4422(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Parallel Full Hash Join
Date: 2023-04-04 21:53:19
Message-ID: CA+hUKG+=URUf+ZBxeZ=viY7qj2gUhtQSKJc4PL-Yre_Pux774A@mail.gmail.com
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On Wed, Apr 5, 2023 at 7:37 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> The comment is no longer in sync with the code: this if-test used to
> reject JOIN_FULL and JOIN_RIGHT, and no longer does so, but the comment
> still claims it should. Shouldn't we drop the sentence beginning
> "Similarly"? (I see that there's now one sub-section that still rejects
> such cases, but it no longer seems correct to claim that they're rejected
> overall.)

Yeah, thanks. Done.

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