From 51bf8029784beb0e2d72c90bd3a31a76eb6531a4 Mon Sep 17 00:00:00 2001
From: Jack Kuan <jack.kuan@thescore.com>
Date: Tue, 22 Mar 2016 01:12:01 -0400
Subject: [PATCH] When deriving the value for a virtual field in a sqlform
 grid, avoid issuing a separate sql query for each row found in the search
 results.

---
 gluon/sqlhtml.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gluon/sqlhtml.py b/gluon/sqlhtml.py
index 6454d14b..d14f3c3f 100644
--- a/gluon/sqlhtml.py
+++ b/gluon/sqlhtml.py
@@ -2743,7 +2743,7 @@ class SQLFORM(FORM):
                     if field.type == 'blob':
                         continue
                     if isinstance(field, Field.Virtual) and field.tablename in row:
-                        value = dbset.db[field.tablename][row[field.tablename][field_id]][field.name]
+                        value = row[field.tablename][field.name]
                     else:
                         value = row[str(field)]
                     maxlength = maxtextlengths.get(str(field), maxtextlength)