From 309eae19235349d39053f06887f0384c5757fa3e Mon Sep 17 00:00:00 2001
From: James David Chalfant <james.chalfant@gmail.com>
Date: Wed, 12 Dec 2012 22:04:55 -0800
Subject: [PATCH]     database/sql: Alter *DB.begin to return driver.ErrBadConn
 when driver.Conn.Begin returns driver.ErrBadConn Fixes #4433

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6845094
---
 src/pkg/database/sql/sql.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pkg/database/sql/sql.go b/src/pkg/database/sql/sql.go
index b0cba949c6..e59d0130d5 100644
--- a/src/pkg/database/sql/sql.go
+++ b/src/pkg/database/sql/sql.go
@@ -426,7 +426,7 @@ func (db *DB) begin() (tx *Tx, err error) {
 	txi, err := ci.Begin()
 	if err != nil {
 		db.putConn(ci, err)
-		return nil, fmt.Errorf("sql: failed to Begin transaction: %v", err)
+		return nil, err
 	}
 	return &Tx{
 		db:  db,