I'm not getting any results from any query in pgAdmin 4.11 on Ubuntu. I only get a message:
'table_oid'
I've tried on two Ubuntu 18.04 based computers (XUbuntu and Mint) in Firefox and Chrome against 3 servers. Queries in pgAdminIII and psql are fine. My "about" info below:
Version
4.11
Copyright
Copyright (C) 2013 - 2019, The pgAdmin Development Team