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From: Tom Lane <tgl@sss.pgh.pa.us>
To: rekgrpth@gmail.com
cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #19504: Segmentation fault in plpython3u function (pg19)
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Comments: In-reply-to PG Bug reporting form <noreply@postgresql.org>
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Date: Tue, 02 Jun 2026 15:26:12 -0400
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PG Bug reporting form <noreply@postgresql.org> writes:
> CREATE OR REPLACE FUNCTION f() RETURNS text AS $$
>     import ctypes
>     postgres = ctypes.CDLL(None)
>     pchomp = postgres['pchomp']
> #    pchomp.restype = ctypes.c_char_p
>     return ctypes.cast(pchomp("error\n"), ctypes.c_char_p).value
> $$ LANGUAGE plpython3u;

This is not a Postgres bug, it's an incorrect plpython function.
Type text is not equivalent to "char *".

			regards, tom lane