Re: BUG #17066: Cache lookup failed when null (iso-8859-1) is passed as anycompatiblemultirange

On 2021-Jun-22, Neil Chen wrote:

> Greetings,
> 
> I tried to investigate the bug, but the complicated logic here completely
> messed up my mind...
> 
> Anyway, this patch can fix it and make the regress test happy. But I think
> it's better to get the author's advice - I copied this email to Alvaro,
> hope it doesn't offend him...

Without looking too deeply, the patch seems sensible to me.  However,
I'm CC'ing Alexander and Paul :-)

-- 
Álvaro Herrera       Valdivia, Chile