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mysql: Null value should not be considered as previous value

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fixes #8655
This commit is contained in:
Daniel Lee
2017-06-20 02:02:05 +02:00
parent 2a93bed453
commit 2479e51a6b
1 changed files with 3 additions and 0 deletions
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3
pkg/tsdb/mysql/mysql.go
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@ -307,6 +307,9 @@ func (s *stringStringScan) Update(rows *sql.Rows) error {
return err return err
} }
s.time = null.FloatFromPtr(nil)
s.value = null.FloatFromPtr(nil)
for i := 0; i < s.columnCount; i++ { for i := 0; i < s.columnCount; i++ {
if rb, ok := s.rowPtrs[i].(*sql.RawBytes); ok { if rb, ok := s.rowPtrs[i].(*sql.RawBytes); ok {
s.rowValues[i] = string(*rb) s.rowValues[i] = string(*rb)