Prometheus: Implement Streaming JSON Parser (#48477)

use `prometheusStreamingJSONParser` feature toggle to enable

pkg/tsdb/prometheus/buffered/prometeus_bench_test.go

@@ -28,7 +28,8 @@ func BenchmarkJson(b *testing.B) {
 
 	b.ResetTimer()
 	for n := 0; n < b.N; n++ {
-		_, _ = s.runQueries(context.Background(), api, []*PrometheusQuery{&query})
+		_, err := s.runQueries(context.Background(), api, []*PrometheusQuery{&query})
+		require.NoError(b, err)
 	}
 }
 

pkg/tsdb/prometheus/buffered/time_series_query.go

@@ -567,6 +567,7 @@ func deviation(values []float64) float64 {
 func newDataFrame(name string, typ string, fields ...*data.Field) *data.Frame {
 	frame := data.NewFrame(name, fields...)
 	frame.Meta = &data.FrameMeta{
+		Type: data.FrameTypeTimeSeriesMany,
 		Custom: map[string]string{
 			"resultType": typ,
 		},