Re: short sql question

Hi,

Am 18.06.2021 um 09:15 schrieb goldgraeber-werbetechnik(at)t-online(dot)de:
> Hi,
>
> I just cannot see what is wrong with my query:
>
> create table files (id int, name text, prev_name text, ....);
> create table fnchanged (id int, name text);
>
> update files f set prev_name = f.name, name = c.name from fnchanges c where f.id = c.id and c.name != f.name

your update statement works for me after changing

from fnchanges

  to

from fnchanged
(as written in your create statement) but I've gotERROR: relation "fnchanges" does not exist instead of a syntax error

>
> --- gets syntax error at "from"
>
> (Using PostgreSQL 10.4 on a NAS box)
>
> Best regards
> Wolfgang
>
kind regards
Georg