Using PostgreSQL 9.6 on Linux Centos 7 x64 - yum standard installer. pgAdmin 4.20 and 4.21 on Windows Server 2019 x64 - .exe standard installer.
I'm trying to create a foreign key using 4.20 and didn't wored: keep always asking to create a covering index. Tryied in 4.20 and also in 4.21 with same results Follow the screenshot of the error: [cid:9cf78bb9-b315-4c22-8a4e-b4a41d52565f]