From 9f31570ef7fe83a323cc771535cf0b8165622cbc Mon Sep 17 00:00:00 2001
From: Rafal Jeczalik <rjeczalik@gmail.com>
Date: Sun, 26 May 2019 11:56:55 +0300
Subject: [PATCH] driver: format null values correctly

---
 driver/stmt.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/driver/stmt.go b/driver/stmt.go
index 00ff42b..261383a 100644
--- a/driver/stmt.go
+++ b/driver/stmt.go
@@ -189,6 +189,8 @@ func replaceArgumentsODBC(query string, args []driver.Value) string {
 	for i := range args {
 		var arg string
 		switch v := args[i].(type) {
+		case nil:
+			arg = "null"
 		case time.Time:
 			arg = v.Format(mysqlFormat)
 		case string: