parent
223a22457f
commit
e1cfc994f7
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@ -163,7 +163,7 @@ func (node *BinaryExpr) String() string {
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matching := ""
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vm := node.VectorMatching
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if vm != nil && len(vm.MatchingLabels) > 0 {
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if vm != nil && (len(vm.MatchingLabels) > 0 || vm.On) {
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if vm.On {
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matching = fmt.Sprintf(" ON(%s)", vm.MatchingLabels)
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} else {
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@ -59,6 +59,10 @@ func TestExprString(t *testing.T) {
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inputs := []struct {
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in, out string
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}{
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{
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in: `sum(task:errors:rate10s{job="s"}) BY ()`,
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out: `sum(task:errors:rate10s{job="s"})`,
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},
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{
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in: `sum(task:errors:rate10s{job="s"}) BY (code)`,
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},
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@ -77,6 +81,9 @@ func TestExprString(t *testing.T) {
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{
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in: `count_values("value", task:errors:rate10s{job="s"})`,
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},
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{
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in: `a - ON() c`,
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},
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{
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in: `a - ON(b) c`,
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},
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@ -92,6 +99,10 @@ func TestExprString(t *testing.T) {
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{
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in: `a - IGNORING(b) c`,
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},
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{
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in: `a - IGNORING() c`,
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out: `a - c`,
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},
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{
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in: `up > BOOL 0`,
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},
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