Re: BUG #13829: Exponentiation operator is left-associative

From: Henrik Pauli <henrik(dot)pauli(at)uhusystems(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: "pgsql-bugs(at)postgresql(dot)org" <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: BUG #13829: Exponentiation operator is left-associative
Date: 2015-12-29 23:59:17
Message-ID: 56831E55.5080401@uhusystems.com
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On 28/12/15 18:11, Tom Lane wrote:
> "David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
>> On Tue, Dec 22, 2015 at 9:55 AM, Henrik Pauli <henrik(dot)pauli(at)uhusystems(dot)com>
>> wrote:
>>> On 22/12/15 17:00, Tom Lane wrote:
>>>> However, pointing the issue out somewhere near Table 9-2. Mathematical
>>>> Operators seems reasonable. The minimum change would just be to call it
>>>> out in the table entry itself:
>>> Might well be enough, not sure. Some parts of the documentation do come
>>> with little "Note" boxes in the text (can't quite remember an exact
>>> example, but I seem to remember there being such), which increase
>>> visibility to such discrepancy more effectively. Might be worth a sentence
>>> or two. I guess if there hasn't been a report before (no idea), people
>>> just don't do this in Postgres and so haven't been bitten by it at all
>> ​Pointing any of this out in a big highlighted comment block seems like
>> overkill.​
> Yeah, given the lack of other complaints, I think a parenthetical comment
> in the table entry is sufficient. Done that way.
>
> regards, tom lane

Excellent, thank you :)

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