| From: | Craig Ringer <ringerc(at)ringerc(dot)id(dot)au> |
|---|---|
| To: | Ivan Voras <ivoras(at)freebsd(dot)org> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: pg_dump, send/recv |
| Date: | 2012-09-20 02:25:21 |
| Message-ID: | 505A7E91.2050105@ringerc.id.au |
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| Lists: | pgsql-general |
On 09/20/2012 01:01 AM, Ivan Voras wrote:
> Hello,
>
> Actually I have sort of two questions rolled into one: when creating
> custom data types, there's the option to implement *_send() and *_recv()
> functions in addition to *_in() and *_out(); does pg_dump use them for
> binary dumps, and, if not, what uses them? Are they only an optional
> optimization for storing binary data in the database?
I don't know what *else* they're used for, but there's a binary wire
protocol (albeit a rarely used one) that I'm pretty sure uses them.
--
Craig Ringer
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