typeorm-typedi-extensions | Dependency injection and service container integration | Dependency Injection library

If you want a value to be null, you should put it on both.

{ nullable: true } in typeorm (@Entity) means the database is permitted to store null values. Otherwise, you can't even save an entity without defining that column.

{ nullable: true} in type-graphql (@Field) means that the schema generated by TypeGraphQL will permit that field to be null. Otherwise, when querying, you would expect to potentially get an error of Cannot return null for non-nullable field EntityName.fieldName.

To clarify, the GraphQL schema might look like: