Re: Documentation bug?

On Tue, May 19, 2015 at 7:39 PM, Thomas Kellerer <spam_eater(at)gmx(dot)net> wrote:

> Hello all,
>
> I just noticed that you can do something like this (using 9.4.1):
>
> select array[1,2,3] - 3
>
> which is doing the same thing as:
>
> select array_remove(array[1,2,3],3)
>
> but the minus is not documented as an array operator:
> http://www.postgresql.org/docs/current/static/functions-array.html
>
> Is that an oversight in the documentation or isn't the minus supposed to
> work like that in the first place?
>

​You very likely have an intarray extension installed​:​
http://www.postgresql.org/docs/9.4/interactive/intarray.html
int[] - int operator documented in the extension documentation as it's a
part of the extension but not part of the PostgreSQL core.​

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