Hi all,
> brian <brian@zijn-digital.com> writes:
>> arsi@aranzo.netg.se wrote:
>>> Does this mean that substr calls substring internally?? Or is it the
>>> other way around?? Or are they independent of each other??
>
>> Looks like they're pretty evenly matched.
>
> Actually, a bit of poking into the contents of pg_proc will show you
> that they are both aliases for the same C function (text_substr_no_len).
> So they should be *exactly* the same speed.
>
> regards, tom lane
>
Thanks Brian for your answer (although that wasn't what I was looking for,
I was looking for Tom's answer).
Thanks Tom for your answer.
Archie