Re: sqlite3

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: emacs-devel@gnu.org
> Date: Mon, 27 Dec 2021 16:07:11 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> But doesn't it seem more likely that it's the `file-attributes' call
> >> here that returns outdated data on Windows?  That would explain all the
> >> symptoms you're seeing, I think?  
> >
> > Could be.  But how does this affect the solution?
> 
> I think we should confirm whether that's the case or not -- and not
> attempt to read the file if it doesn't exist.

If you can show a patch that only reads if the file exists, I can see
if the offending test still succeeds.

> That is, I wonder what the timestamp returned here really is, and how it
> compares to the cached timestamp.  Could it be that the timestamps are
> identical and that's why `time-less-p' is returning nil?  If it's a
> matter of the timestamps having too low resolution on (some?) Windows
> versions, then perhaps we could have some particular logic for that.

The file's time resolution on Windows is 0.1usec (100 nanoseconds).  I
think this should be enough.