GetFingerprintsForLabelName simplifications.

``MetricPersistence.GetFingerprintsForLabelName(l *model.LabelName)``
->
``MetricPersistence.GetFingerprintsForLabelName(l model.LabelName)``

storage/metric/interface.go

@@ -38,7 +38,7 @@ type MetricPersistence interface {
 
 	// Get all of the metric fingerprints that are associated for a given label
 	// name.
-	GetFingerprintsForLabelName(labelName *model.LabelName) ([]*model.Fingerprint, error)
+	GetFingerprintsForLabelName(labelName model.LabelName) ([]*model.Fingerprint, error)
 
 	GetMetricForFingerprint(f *model.Fingerprint) (*model.Metric, error)
 

storage/metric/leveldb/leveldb_test.go

@@ -791,7 +791,7 @@ func TestGetFingerprintsForLabelName(t *testing.T) {
 	}
 
 	b := model.LabelName("name")
-	result, getErr := persistence.GetFingerprintsForLabelName(&b)
+	result, getErr := persistence.GetFingerprintsForLabelName(b)
 
 	if getErr != nil {
 		t.Error(getErr)
@@ -802,7 +802,7 @@ func TestGetFingerprintsForLabelName(t *testing.T) {
 	}
 
 	b = model.LabelName("request_type")
-	result, getErr = persistence.GetFingerprintsForLabelName(&b)
+	result, getErr = persistence.GetFingerprintsForLabelName(b)
 
 	if getErr != nil {
 		t.Error(getErr)
@@ -813,7 +813,7 @@ func TestGetFingerprintsForLabelName(t *testing.T) {
 	}
 
 	b = model.LabelName("language")
-	result, getErr = persistence.GetFingerprintsForLabelName(&b)
+	result, getErr = persistence.GetFingerprintsForLabelName(b)
 
 	if getErr != nil {
 		t.Error(getErr)
@@ -824,7 +824,7 @@ func TestGetFingerprintsForLabelName(t *testing.T) {
 	}
 
 	b = model.LabelName("sprache")
-	result, getErr = persistence.GetFingerprintsForLabelName(&b)
+	result, getErr = persistence.GetFingerprintsForLabelName(b)
 
 	if getErr != nil {
 		t.Error(getErr)

storage/metric/leveldb/reading.go

@@ -231,7 +231,7 @@ func (l *LevelDBMetricPersistence) GetFingerprintsForLabelSet(labelSet model.Lab
 	return
 }
 
-func (l *LevelDBMetricPersistence) GetFingerprintsForLabelName(labelName *model.LabelName) (fps []*model.Fingerprint, err error) {
+func (l *LevelDBMetricPersistence) GetFingerprintsForLabelName(labelName model.LabelName) (fps []*model.Fingerprint, err error) {
 	begin := time.Now()
 
 	defer func() {
@@ -242,7 +242,7 @@ func (l *LevelDBMetricPersistence) GetFingerprintsForLabelName(labelName *model.
 
 	fps = make([]*model.Fingerprint, 0, 0)
 
-	raw, err := l.labelNameToFingerprints.Get(coding.NewProtocolBufferEncoder(model.LabelNameToDTO(labelName)))
+	raw, err := l.labelNameToFingerprints.Get(coding.NewProtocolBufferEncoder(model.LabelNameToDTO(&labelName)))
 	if err != nil {
 		return
 	}