Re: How to access large objects in Postgresql c-language functions?

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Spiros Ioannou <sivann(at)inaccess(dot)com>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: How to access large objects in Postgresql c-language functions?
Date: 2015-01-26 19:37:21
Message-ID: CAFj8pRAfj+hYFsfSs71rYkQjQR5ftFghV=rQ3_rhzJqXOU=Apw@mail.gmail.com
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Hi

you can use a lo_* (lo_open, lo_close, ...) functions called via
FirectFunctionCall

http://michael.otacoo.com/postgresql-2/playing-with-large-objects-in-postgres/
http://www.postgresql.org/docs/9.3/static/lo-interfaces.html

Regards

Pavel Stehule

2015-01-26 20:19 GMT+01:00 Spiros Ioannou <sivann(at)inaccess(dot)com>:

> I'm writing a c-language user defined function for postgresql 9.3.5. I
> didn't use pl/pgsql or pl/python because part of it needs to be written in
> C for speed.
>
> The function gets an existing OID as an argument. How can I access &
> modify the OID data from within the c-language function? I can't find any
> docs for that!
>
> Thanks,
>
> -Spiros
>

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