On 2016-09-08 18:39:56 -0400, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > Am I missing something or is md.c:mdtruncate() leaking open files?
>
> Yeah, I think you're right.
>
> > This only really matters for VACUUM truncate and ON COMMIT TRUNCATE temp
> > table truncation afaics.
>
> Also, you'd need a table > 1GB to leak anything at all, which probably
> helps explain why it hasn't been noticed.
Heh, this bug is of some older vintage... Appears to originate in
1a5c450f3024ac57cd6079186c71b3baf39e84eb - before that we did a
FileUnlink(), which includes a FileClose().
Will fix.
Andres