From 7ac6edae520791df6ab199818c9080c73ce69d7b Mon Sep 17 00:00:00 2001
From: kelson <kelson@shysecurity.com>
Date: Mon, 6 Jul 2015 08:35:58 -0400
Subject: [PATCH] fix Field.Virtual use in multi-table queries

---
 gluon/sqlhtml.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gluon/sqlhtml.py b/gluon/sqlhtml.py
index 2058f291..8a781175 100644
--- a/gluon/sqlhtml.py
+++ b/gluon/sqlhtml.py
@@ -2625,7 +2625,10 @@ class SQLFORM(FORM):
                         continue
                     if field.type == 'blob':
                         continue
-                    value = row[str(field)]
+                    if isinstance(field, Field.Virtual) and field.tablename in row:
+                        value = dbset.db[field.tablename][row[field.tablename][field_id]][field.name]
+                    else:
+                        value = row[str(field)]
                     maxlength = maxtextlengths.get(str(field), maxtextlength)
                     if field.represent:
                         try: