Re: pg_attributte, data types

On Thu, Mar 24, 2011 at 12:56 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> =?UTF-8?Q?Viktor_Bojovi=C4=87?= <viktor(dot)bojovic(at)gmail(dot)com> writes:
> > while listing data types i have noticed that some types have underscore
> > prefix but i don't know why is that. so im asking if somene can tell me.
> > These are type examples:
>
> > _char
> > _float4
> > _int2
> > _oid
> > _regtype
> > _text
> > _varchar
>
> Those are array types. The normal convention is that foo[] is named
> "_foo" under the surface.
>
> regards, tom lane
>

thanx

--
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Viktor Bojović
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Wherever I go, Murphy goes with me