Fallback to empty string when column path is NULL

Closes #12235
2023-06-06 12:55:12 +02:00
parent 01727ac772
commit de95e79417
1 changed files with 1 additions and 0 deletions
@@ -133,6 +133,7 @@ class Many2One(Field):
        red_sql = reduce_ids(table.id, (i for i in ids if i is not None))
        Target = self.get_target()
        path_column = getattr(Target, self.path).sql_column(table)
+        path_column = Coalesce(path_column, '')
        cursor.execute(*table.select(path_column, where=red_sql))
        if operator.endswith('child_of'):
            where = Or()