Prometheus: Chore - Remove incorrect FrameType from exemplar frame (#57695)

pkg/tsdb/prometheus/buffered/time_series_query.go

@@ -598,7 +598,11 @@ func exemplarToDataFrames(response []apiv1.ExemplarQueryResult, query *Prometheu
 		dataFields = append(dataFields, data.NewField(label, nil, labelsVector[label]))
 	}
 
-	return append(frames, newDataFrame("exemplar", "exemplar", dataFields...))
+	newFrame := newDataFrame("exemplar", "exemplar", dataFields...)
+	// unset on exemplars (ugly but this client will be deprecated soon)
+	newFrame.Meta.Type = ""
+
+	return append(frames, newFrame)
 }
 
 func sortedLabels(labelsVector map[string][]string) []string {

pkg/tsdb/prometheus/buffered/time_series_query_test.go

@@ -706,7 +706,11 @@ func TestPrometheus_parseTimeSeriesResponse(t *testing.T) {
 			data.NewField("traceID", map[string]string{}, []string{"test1", "test2"}),
 			data.NewField("userID", map[string]string{}, []string{"", "test3"}),
 		}
-		if diff := cmp.Diff(newDataFrame("exemplar", "exemplar", fields...), res[0], data.FrameTestCompareOptions()...); diff != "" {
+
+		newFrame := newDataFrame("exemplar", "exemplar", fields...)
+		newFrame.Meta.Type = ""
+
+		if diff := cmp.Diff(newFrame, res[0], data.FrameTestCompareOptions()...); diff != "" {
 			t.Errorf("Result mismatch (-want +got):\n%s", diff)
 		}
 	})