Re: [PATCH] Exorcise "zero-dimensional" arrays (Was: Re: Should array_length() Return NULL)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Brendan Jurd <direvus(at)gmail(dot)com>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [PATCH] Exorcise "zero-dimensional" arrays (Was: Re: Should array_length() Return NULL)
Date: 2013-03-25 13:30:00
Message-ID: 11101.1364218200@sss.pgh.pa.us
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Brendan Jurd <direvus(at)gmail(dot)com> writes:
> On 25 March 2013 13:02, Josh Berkus <josh(at)agliodbs(dot)com> wrote:
>> Brendan, how hard would it be to create a GUC for backwards-compatible
>> behavior?

> Good idea.

No, it *isn't* a good idea. GUCs that change application-visible
semantics are dangerous. We should have learned this lesson by now.

regards, tom lane

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