Re: Disallow arrays with non-standard lower bounds

From: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
To: Jim Nasby <jim(at)nasby(dot)net>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Disallow arrays with non-standard lower bounds
Date: 2014-01-10 22:10:33
Message-ID: CAMkU=1xsPanD5PbQwybcFmuWdYc=1F+xmFZokC2z5hbuXXOBPQ@mail.gmail.com
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On Fri, Jan 10, 2014 at 1:26 PM, Jim Nasby <jim(at)nasby(dot)net> wrote:

> On 1/9/14, 10:58 PM, Tom Lane wrote:
>
>> Jim Nasby <jim(at)nasby(dot)net> writes:
>>
>>> ISTM that allowing users to pick arbitrary lower array bounds was a huge
>>> mistake. I've never seen anyone make use of it, can't think of any
>>> legitimate use cases for it, and hate the stupendous amount of extra code
>>> needed to deal with it.
>>>
>>
>> You lack imagination, sir.
>>
>
> Considering what you'd normally want to do in SQL, the only example I can
> think of is to not have the argument over 0 vs 1 based.
>
> Actually, I was thinking there might be some computational problems where
> changing lower bound would be nice, but then again, what other languages
> actually support this?

Perl does, though they regret it bitterly.

Cheers,

Jeff

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