| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Aleksei Ivanov <iv(dot)alekseii(at)gmail(dot)com> |
| Cc: | "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Question: Select messages using binary format |
| Date: | 2020-03-07 08:51:48 |
| Message-ID: | CAFj8pRBb58V4PGFCq1Yj+vPUr=0nOJqFNVFpmch7C_TMY-Pc5Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hi
so 7. 3. 2020 v 8:38 odesílatel Aleksei Ivanov <iv(dot)alekseii(at)gmail(dot)com>
napsal:
> Dear hackers,
>
> I know that it is possible to receive packets in binary format using
> declare binary cursor and than fetching the result.
>
> But is it possible just using ordinary select from simple query to specify
> that I want to receive the result in binary?
>
It depends on interface that you use. C API - libpq allow to specify type
of communication per query
https://www.postgresql.org/docs/current/libpq-exec.html
PQexecParams *resultFormat*
What I known, you cannot to do from SQL level.
Regards
Pavel
> Best regards,
>
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