Using unions and interfaces and end up with non-nullable field not present

[pshaddel (Poorshad Shaddel)]

I was encountered another bug related to union but it was ignored.

Cannot query after deleting an entity that is used in a union type

Report a GraphQL Bug What edition and version of Dgraph are you using? Edition: SlashGraphQL Dgraph (community edition/Dgraph Cloud) If you are using the community edition or enterprise edition of Dgraph, please list the version:

Dgraph Version

$ dgraph version v21.03.0-56-gc900f96b3

Have you tried reproducing the issue with the latest release? Yes. Steps to reproduce the issue (paste the query/schema if possible) I have a schema that I use a union type: type Page { PageID: I…