From d892695c2b0b999984ed1752942b3a31f70a039c Mon Sep 17 00:00:00 2001
From: Gerhard Gruber <gerhard.gruber@documatrix.com>
Date: Tue, 2 Jun 2020 13:30:17 +0200
Subject: [PATCH] Fixed max length of nvarchar

See also https://docs.microsoft.com/en-us/sql/t-sql/data-types/nchar-and-nvarchar-transact-sql?view=sql-server-ver15
---
 dialect_mssql.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dialect_mssql.go b/dialect_mssql.go
index 4c3dfb1d..95f1d541 100644
--- a/dialect_mssql.go
+++ b/dialect_mssql.go
@@ -78,7 +78,7 @@ func (s *mssql) DataTypeOf(field *StructField) string {
 		case reflect.Float32, reflect.Float64:
 			sqlType = "float"
 		case reflect.String:
-			if size > 0 && size < 8000 {
+			if size > 0 && size < 4000 {
 				sqlType = fmt.Sprintf("nvarchar(%d)", size)
 			} else {
 				sqlType = "nvarchar(max)"