| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
| Cc: | Zahir Lalani <ZahirLalani(at)oliver(dot)agency>, "pgsql-general(at)lists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Odd Shortcut behaviour in PG14 |
| Date: | 2023-11-23 18:39:09 |
| Message-ID: | 3163408.1700764749@sss.pgh.pa.us |
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| Lists: | pgsql-general |
"David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
> On Thursday, November 23, 2023, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> This question is unanswerable as given. You have not even defined
>> what you mean by "fail" (error? wrong query result?), let alone
>> provided enough detail for someone else to reproduce the problem.
> The OP complains about the apparent inconsistent optimizing away of the SRF
> function call of crypto_secretbox_open in the lateral when the join
> predicate is known to be false.
Hmm, your crystal ball apparently works better than mine today,
because I sure do not see where that information was presented.
regards, tom lane
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