add support for field of type sql.NullXxx in rawSet.setFieldValue()

orm/orm_raw.go

@@ -150,8 +150,10 @@ func (o *rawSet) setFieldValue(ind reflect.Value, value interface{}) {
 	case reflect.Struct:
 		if value == nil {
 			ind.Set(reflect.Zero(ind.Type()))
-
-		} else if _, ok := ind.Interface().(time.Time); ok {
+			return
+		}
+		switch indi := ind.Interface().(type) {
+		case time.Time:
 			var str string
 			switch d := value.(type) {
 			case time.Time:
@@ -178,6 +180,26 @@ func (o *rawSet) setFieldValue(ind reflect.Value, value interface{}) {
 					}
 				}
 			}
+		case sql.NullString:
+			err := indi.Scan(value)
+			if err == nil {
+				ind.Set(reflect.ValueOf(indi))
+			}
+		case sql.NullInt64:
+			err := indi.Scan(value)
+			if err == nil {
+				ind.Set(reflect.ValueOf(indi))
+			}
+		case sql.NullFloat64:
+			err := indi.Scan(value)
+			if err == nil {
+				ind.Set(reflect.ValueOf(indi))
+			}
+		case sql.NullBool:
+			err := indi.Scan(value)
+			if err == nil {
+				ind.Set(reflect.ValueOf(indi))
+			}
 		}
 	}
 }