Hi, thanks for your comment.
> On Wednesday, November 6, 2024, kasaharatt
> <kasaharatt@oss.nttdata.com> wrote:.
>
>> I noticed that it seems to me a mistake in the sample code in the
>> document.
>>
> https://www.postgresql.org/docs/devel/ddl-constraints.html#DDL-CONSTRAINTS-FK
>> [1]
>>
>> I think it is a typo for user_id instead of author_id.
>
> It’s hard to argue a typo when three different places need to be
> changed, and the example is fully functional as-is.
Yeah, you are right.
I mistakenly thought it was syntactically incorrect. The sample code
works correctly.
Best regards,
