fix grid groupby with more than 2 Fields in the expression

2014-09-03 19:30:22 +02:00
parent d1e4ede9b3
commit 9b9a5034ad
1 changed files with 2 additions and 0 deletions
@@ -2111,6 +2111,8 @@ class SQLFORM(FORM):
                field_id = groupby #take the field passed as groupby
            elif groupby and isinstance(groupby, Expression):
                field_id = groupby.first #take the first groupby field
+                while not(isinstance(field_id, Field)): # Navigate to the first Field of the expression
+                    field_id = field_id.first
        table = field_id.table
        tablename = table._tablename
        if not any(str(f) == str(field_id) for f in fields):