From 5b2b0091decae24147fefa30cf2eadccc8f8e770 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=B1=9F=E6=9E=97=E9=94=A6?= <jianglj@quyun.com>
Date: Wed, 28 Jan 2015 14:10:45 +0800
Subject: [PATCH] Expr() => SetExpr()

---
 engine.go    | 6 +++---
 session.go   | 6 +++---
 statement.go | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/engine.go b/engine.go
index 97a17957..6903f497 100644
--- a/engine.go
+++ b/engine.go
@@ -558,11 +558,11 @@ func (engine *Engine) Decr(column string, arg ...interface{}) *Session {
 	return session.Decr(column, arg...)
 }
 
-// Method Expr provides a update string like "column = {expression}"
-func (engine *Engine) Expr(column string, expression string) *Session {
+// Method SetExpr provides a update string like "column = {expression}"
+func (engine *Engine) SetExpr(column string, expression string) *Session {
 	session := engine.NewSession()
 	session.IsAutoClose = true
-	return session.Expr(column, expression)
+	return session.SetExpr(column, expression)
 }
 
 // Temporarily change the Get, Find, Update's table
diff --git a/session.go b/session.go
index c179bbd0..d0ec905a 100644
--- a/session.go
+++ b/session.go
@@ -158,9 +158,9 @@ func (session *Session) Decr(column string, arg ...interface{}) *Session {
 	return session
 }
 
-// Method Expr provides a query string like "column = {expression}"
-func (session *Session) Expr(column string, expression string) *Session {
-	session.Statement.Expr(column, expression)
+// Method SetExpr provides a query string like "column = {expression}"
+func (session *Session) SetExpr(column string, expression string) *Session {
+	session.Statement.SetExpr(column, expression)
 	return session
 }
 
diff --git a/statement.go b/statement.go
index 1261869e..2c021cce 100644
--- a/statement.go
+++ b/statement.go
@@ -724,7 +724,7 @@ func (statement *Statement) Decr(column string, arg ...interface{}) *Statement {
 }
 
 // Generate  "Update ... Set column = {expression}" statment
-func (statement *Statement) Expr(column string, expression string) *Statement {
+func (statement *Statement) SetExpr(column string, expression string) *Statement {
 	k := strings.ToLower(column)
 	statement.exprColumns[k] = exprParam{column, expression}
 	return statement