From 1b155a02fdcdee763e7454e375e780975d53c281 Mon Sep 17 00:00:00 2001
From: Kyle Brandt <kyle@grafana.com>
Date: Mon, 29 Jan 2024 11:39:23 -0500
Subject: [PATCH] Prometheus: (Dataplane) Set FrameTypeVersion on Scalar type
 responses (#81491)

So expressions (SSE) and recorded queries (RQ) detect the response correctly
---
 pkg/util/converter/prom.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkg/util/converter/prom.go b/pkg/util/converter/prom.go
index fcdd6f8a23b..60215e5cff9 100644
--- a/pkg/util/converter/prom.go
+++ b/pkg/util/converter/prom.go
@@ -263,7 +263,7 @@ func readResult(resultType string, rsp backend.DataResponse, iter *jsonitere.Ite
 			return rsp
 		}
 	case "scalar":
-		rsp = readScalar(iter)
+		rsp = readScalar(iter, opt.Dataplane)
 		if rsp.Error != nil {
 			return rsp
 		}
@@ -541,7 +541,7 @@ func readString(iter *jsonitere.Iterator) backend.DataResponse {
 	}
 }
 
-func readScalar(iter *jsonitere.Iterator) backend.DataResponse {
+func readScalar(iter *jsonitere.Iterator, dataPlane bool) backend.DataResponse {
 	rsp := backend.DataResponse{}
 
 	timeField := data.NewFieldFromFieldType(data.FieldTypeTime, 0)
@@ -564,6 +564,10 @@ func readScalar(iter *jsonitere.Iterator) backend.DataResponse {
 		Custom: resultTypeToCustomMeta("scalar"),
 	}
 
+	if dataPlane {
+		frame.Meta.TypeVersion = data.FrameTypeVersion{0, 1}
+	}
+
 	return backend.DataResponse{
 		Frames: []*data.Frame{frame},
 	}