[permissions] Query Report: don't use a doctype for filtering User Permissions, if the column representing this doctype is empty

frappe/widgets/query_report.py

@@ -138,7 +138,7 @@ def add_total_row(result, columns):
 
 def get_filtered_data(ref_doctype, columns, data):
 	result = []
-	linked_doctypes = get_linked_doctypes(columns)
+	linked_doctypes = get_linked_doctypes(columns, data)
 	match_filters_per_doctype = get_user_match_filters(linked_doctypes, ref_doctype)
 
 	if match_filters_per_doctype:
@@ -183,7 +183,7 @@ def has_match(row, linked_doctypes, doctype_match_filters):
 
 	return resultant_match
 
-def get_linked_doctypes(columns):
+def get_linked_doctypes(columns, data):
 	linked_doctypes = {}
 
 	for idx, col in enumerate(columns):
@@ -197,6 +197,11 @@ def get_linked_doctypes(columns):
 		elif col.get("fieldtype")=="Link" and col.get("options"):
 			linked_doctypes[col["options"]] = col["fieldname"]
 
+	# remove doctype if column is empty
+	for doctype, key in linked_doctypes.items():
+		if not any(d[key] for d in data):
+			del linked_doctypes[doctype]
+
 	return linked_doctypes
 
 def get_user_match_filters(doctypes, ref_doctype):