mysql: Null value should not be considered as previous value

fixes #8655
2017-06-20 02:02:05 +02:00
parent 2a93bed453
commit 2479e51a6b
1 changed files with 3 additions and 0 deletions
@@ -307,6 +307,9 @@ func (s *stringStringScan) Update(rows *sql.Rows) error {
 		return err
 	}

+	s.time = null.FloatFromPtr(nil)
+	s.value = null.FloatFromPtr(nil)
+
 	for i := 0; i < s.columnCount; i++ {
 		if rb, ok := s.rowPtrs[i].(*sql.RawBytes); ok {
 			s.rowValues[i] = string(*rb)