mudhorn/prometheus
1
0
Fork 0
mirror of https://github.com/prometheus/prometheus.git synced 2025-03-05 20:59:13 -08:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

Call At() only if Next() is true

Browse source 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
This commit is contained in:
Goutham Veeramachaneni 2017-07-13 18:42:45 +02:00
parent 931f2705f2
commit 4194d2ac79
1 changed files with 12 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
promql/engine.go
View file

@ -752,13 +752,19 @@ func (ev *evaluator) vectorSelector(node *VectorSelector) Vector {
) )
for i, it := range node.iterators { for i, it := range node.iterators {
var t int64
var v float64
ok := it.Seek(refTime) ok := it.Seek(refTime)
if !ok { if !ok {
if it.Err() != nil { if it.Err() != nil {
ev.error(it.Err()) ev.error(it.Err())
} }
} }
t, v := it.Values()
if ok {
t, v = it.Values()
}
peek := 1 peek := 1
if !ok || t > refTime { if !ok || t > refTime {
@ -851,7 +857,6 @@ func (ev *evaluator) matrixSelector(node *MatrixSelector) Matrix {
ev.error(it.Err()) ev.error(it.Err())
} }
} }
t, v := it.Values()
buf := it.Buffer() buf := it.Buffer()
for buf.Next() { for buf.Next() {
@ -865,10 +870,12 @@ func (ev *evaluator) matrixSelector(node *MatrixSelector) Matrix {
} }
} }
// The seeked sample might also be in the range. // The seeked sample might also be in the range.
t, v = it.Values() if ok {
t, v := it.Values()
if t == maxt && !value.IsStaleNaN(v) { if t == maxt && !value.IsStaleNaN(v) {
allPoints = append(allPoints, Point{T: t, V: v}) allPoints = append(allPoints, Point{T: t, V: v})
} }
}
ss.Points = allPoints[start:] ss.Points = allPoints[start:]