From 88a0888d6d897ffd0e033275839b6f5b10624198 Mon Sep 17 00:00:00 2001
From: haolei <haolei2008@gmail.com>
Date: Sun, 26 Jul 2015 00:01:06 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E6=94=AF=E6=8C=81sql.NullStr?=
 =?UTF-8?q?ing...=E6=97=B6AllCols()=E6=97=B6=E6=B2=A1=E6=9C=89=E6=9B=B4?=
 =?UTF-8?q?=E6=96=B0=E7=A9=BA=E5=AD=97=E6=AE=B5=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 statement.go | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/statement.go b/statement.go
index 56c0471f..6919b6c5 100644
--- a/statement.go
+++ b/statement.go
@@ -220,6 +220,7 @@ func buildUpdates(engine *Engine, table *core.Table, bean interface{},
 		requiredField := useAllCols
 		includeNil := useAllCols
 		lColName := strings.ToLower(col.Name)
+
 		if b, ok := mustColumnMap[lColName]; ok {
 			if b {
 				requiredField = true
@@ -321,10 +322,8 @@ func buildUpdates(engine *Engine, table *core.Table, bean interface{},
 					continue
 				}
 				val = engine.FormatTime(col.SQLType.Name, t)
-			} else if nulVal, ok := fieldValue.Interface().(driver.Valuer); ok {
-				if val, _ = nulVal.Value(); val == nil {
-					continue
-				}
+			} else if nulType, ok := fieldValue.Interface().(driver.Valuer); ok {
+				val, _ = nulType.Value()
 			} else {
 				engine.autoMapType(fieldValue)
 				if table, ok := engine.Tables[fieldValue.Type()]; ok {