src/main/java/org/embulk/output/sqlserver/SQLServerOutputConnection.java in embulk-output-sqlserver-0.8.5 vs src/main/java/org/embulk/output/sqlserver/SQLServerOutputConnection.java in embulk-output-sqlserver-0.8.6

@@ -45,9 +45,18 @@
             return "BIT";
         case "CLOB":
             return "TEXT";
         case "TIMESTAMP":
             return "DATETIME2";
+        case "NVARCHAR":
+            if(c.getSizeTypeParameter() > 4000) {
+                return "NVARCHAR(max)";
+            }
+        case "VARCHAR":
+            if(c.getSizeTypeParameter() > 8000) {
+                return "VARCHAR(max)";
+            }
+
         default:
             return super.buildColumnTypeName(c);
         }
     }