| From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Peter J(dot) Holzer" <hjp-pgsql(at)hjp(dot)at> |
| Cc: | pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Performance of ByteA: ascii vs binary |
| Date: | 2019-03-21 14:12:34 |
| Message-ID: | e0ff1d45-2aff-4bbb-244e-358e8de65f5a@aklaver.com |
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| Thread: | |
| Lists: | pgsql-general |
On 3/21/19 6:49 AM, Tom Lane wrote:
> "Peter J. Holzer" <hjp-pgsql(at)hjp(dot)at> writes:
>> On 2019-03-20 13:20:57 +0100, Thomas Güttler wrote:
>>> Strange. I saw a big difference.
>>> What did you test?
>>> I tested inserts.
>
>> The graph with the quantiles was for selects.
>
> Hmm, so there are two different code paths being considered here
> -- the OP is apparently talking about the speed of bytea_in,
> while the rest of us have been thinking about bytea_out.
>
> The question about whether the text representation is hex or
> "escape" style still applies, though.
Yes, it would be nice to see the test code.
>
> regards, tom lane
>
>
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
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