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

On Mon, Jun 15, 2015 at 04:16:09PM +0000, brent.n.douglas@gmail.com wrote:
> The following bug has been logged on the website:
>
> Bug reference:      13445
> Logged by:          Brent Douglas
> Email address:      brent.n.douglas@gmail.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@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +