Re: BUG #13445: 8.15.1 is missleading regarding array dimensionality

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: brent(dot)n(dot)douglas(at)gmail(dot)com
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #13445: 8.15.1 is missleading regarding array dimensionality
Date: 2015-08-10 00:08:49
Message-ID: 20150810000849.GB6582@momjian.us
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On Mon, Jun 15, 2015 at 04:16:09PM +0000, brent(dot)n(dot)douglas(at)gmail(dot)com wrote:
> The following bug has been logged on the website:
>
> Bug reference: 13445
> Logged by: Brent Douglas
> Email address: brent(dot)n(dot)douglas(at)gmail(dot)com
> PostgreSQL version: 9.4.4
> Operating system: docs only
> Description:
>
> Section 8.15.1 is slightly missleading regarding array dimensionality as the
> first example and following comment both read like array declarations in
> many programming languages where [] is a single dimensional array and [][]
> is a two dimensional array while having different semantics.
>
> To make it more obvious that arrays do not have dimensions the section
> stating this could be moved before the example table sal_emp.
>
> The words "one-dimensional" and "two-dimensional" in the comment on the
> sal_emp example table could also be removed.

Well, it's a little odd because while dimensionality is not enforced
when defining columns, it does have an effect when accessing values. I
am not sure that mentioning things in the opposite order would help as
we have to define dimensionality for us later.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ Everyone has their own god. +

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