From 4fd6e62a022815853eecdd556add706ffd005b54 Mon Sep 17 00:00:00 2001
From: Jinzhu <wosmvp@gmail.com>
Date: Mon, 1 Jun 2015 14:02:15 +0800
Subject: [PATCH] Add unsigned support for mysql

---
 mysql.go | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/mysql.go b/mysql.go
index e37a23e0..a5e4a459 100644
--- a/mysql.go
+++ b/mysql.go
@@ -14,16 +14,26 @@ func (mysql) SqlTag(value reflect.Value, size int, autoIncrease bool) string {
 	switch value.Kind() {
 	case reflect.Bool:
 		return "boolean"
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32:
 		if autoIncrease {
 			return "int AUTO_INCREMENT"
 		}
 		return "int"
-	case reflect.Int64, reflect.Uint64:
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
+		if autoIncrease {
+			return "int unsigned AUTO_INCREMENT"
+		}
+		return "int unsigned"
+	case reflect.Int64:
 		if autoIncrease {
 			return "bigint AUTO_INCREMENT"
 		}
 		return "bigint"
+	case reflect.Uint64:
+		if autoIncrease {
+			return "bigint unsigned AUTO_INCREMENT"
+		}
+		return "bigint unsigned"
 	case reflect.Float32, reflect.Float64:
 		return "double"
 	case reflect.String: