From 3f5401415bab4a9001684b1eb41deac2677f1e29 Mon Sep 17 00:00:00 2001
From: Yancey1989 <yancey1989@gmail.com>
Date: Sun, 29 Sep 2019 13:12:05 +0800
Subject: [PATCH] fix comment

---
 dsn.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dsn.go b/dsn.go
index e997cd0..13db749 100644
--- a/dsn.go
+++ b/dsn.go
@@ -50,7 +50,7 @@ func ParseDSN(dsn string) (*Config, error) {
 	for k, v := range querys {
 		// The query args such as hints_odps.sql.mapper.split_size=16
 		// would be converted to the maxcompute query hints: {"odps.sql.mapper.split_size": "16"}
-		if strings.HasPrefix(k, "hint_") {
+		if strings.HasPrefix(k, HINT_PREFIX) {
 			queryHints[k[5:]] = v[0]
 		}
 	}