Re: issue with C functions using pg_dump

Hello Tom, thanks for your quick answer,

i was hoping to just get the create function code but i do not.

Here s a sample of code not generated :

CREATE OR REPLACE FUNCTION public.uuid_nil()
RETURNS uuid AS
'$libdir/uuid-ossp', 'uuid_nil'
LANGUAGE c IMMUTABLE STRICT
COST 1;
ALTER FUNCTION public.uuid_nil()
OWNER TO postgres;

Here’s also the sql file generated with my command
(pg_dump --dbname=postgresql://postgres:xxx(at)127(dot)0(dot)0(dot)1:5432/Adventureworks
--no-owner --format=plain --schema=public --file="D:\public.sql")

Regards,

Provenance : Courrier pour Windows 10

De : Tom Lane
Envoyé le :samedi 26 août 2017 21:36
À : Cédric Prin-Derre
Cc : pgsql-bugs(at)postgresql(dot)org
Objet :Re: [BUGS] issue with C functions using pg_dump

=?UTF-8?B?Q8OpZHJpYyBQcmluLURlcnJl?= <prinderr(at)gmail(dot)com> writes:
> i am am doing some test using the Adventureworks sample database (available
> on postgresql wiki) and i have noticed an issue with pgdump
> pg_dump --dbname=postgresql://postgres:xxx(at)127(dot)0(dot)0(dot)1:5432/Adventureworks
> --no-owner --format=plain --schema=public --file="D:\public.sql"
> the generated sql file does not contain the code of the LANGUAGE c
> functions stored in this schema

If you're expecting it to contain the C source code, you're mistaken.
It should just be reconstructing the CREATE FUNCTION commands.
Typical output for a C-language function might be something like

CREATE FUNCTION int44in(cstring) RETURNS city_budget
LANGUAGE c IMMUTABLE STRICT
AS '$libdir/regress.so', 'int44in';

regards, tom lane

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