query = GraphQL::Query.new(...) # make a query somehow 
query_partial = query.partial_for("currentUser", "posts")
partial_result = query_partial.execute(@current_user.posts) # run the selected portion of the query using the given object as the underlying data

query = GraphQLQuery.new(...)
# Run these partials concurrently (sharing a dataloader cache, etc) 
results = query.execute_partials({
  ["currentUser", "posts"] => @current_user.posts, 
  ["currentUser", "profile", "auditLog"] => AuditLog.events(user: @current_user), 
  # Etc 
})