On Tue, Aug 22, 2017 at 8:43 AM, Igor Korot <ikorot01(at)gmail(dot)com> wrote:
> Or this is the bug in 9.1?
> Since it looks like there are 2 columns with the same info in 1
> table/view....
>
This old email thread sounds similar to what you are describing here.
https://www.postgresql.org/message-id/56D0C4B8.7020200%40aklaver.com
David J.