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Subject: Re: BUG #19059: PostgreSQL fails to evaluate the cheaper expression
 first, leading to 45X performance degradation
From: Christophe Pettus <xof@thebuild.com>
In-Reply-To: <2510592.1758403162@sss.pgh.pa.us>
Date: Sat, 20 Sep 2025 15:54:54 -0700
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> On Sep 20, 2025, at 14:19, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> While we've not gotten a huge amount of push-back about the top-level
> re-ordering, there's been some complaints.  So I'm not eager to
> propagate the idea further down.

And tangentially, doesn't the SQL standard make it =
implementation-defined if OR short-circuits or not?=