Re: How to convert HEX to ASCII?

2011/12/2 Merlin Moncure <mmoncure@gmail.com>:
> On Fri, Dec 2, 2011 at 11:15 AM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
>> 2011/12/2 Merlin Moncure <mmoncure@gmail.com>:
>>> On Fri, Dec 2, 2011 at 10:42 AM, Marti Raudsepp <marti@juffo.org> wrote:
>>>> Sorry, but AFAICT this makes a mess of encodings and only works by
>>>> pure luck. The server thinks it's sending the client LATIN1 text, but
>>>> it's actually UTF8-encoded and the last decoding step is done by your
>>>> terminal.
>>>
>>> yup -- your're right -- what a coincidence!  I still prefer the 1
>>> liner sql variant vs plpgsql loop though.  nicely done.
>>
>> so bytea_agg - one param aggregate has sense
>>
>> it's very easy to implement it
>
> yup:
>
> create aggregate bytea_agg (bytea)
> (
>  sfunc=byteacat,
>  stype=bytea
> );

this is workaround :)

without a memory preallocating it has same speed like cycle in plpgsql.

Regards

Pavel

>
> merlin