From 3e5975367c705f6442044ee7593800d5317283aa Mon Sep 17 00:00:00 2001
From: aishyandapalli <ayandapalli@ebay.com>
Date: Mon, 17 Mar 2025 02:14:55 -0700
Subject: [PATCH] Prometheus: Add SpanID while clicking on TraceID datalink for
 Exemplar (#101541)

Add Span context to Exemplar data links
---
 packages/grafana-prometheus/src/result_transformer.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/grafana-prometheus/src/result_transformer.ts b/packages/grafana-prometheus/src/result_transformer.ts
index 4c43a891719..5db8a31d95b 100644
--- a/packages/grafana-prometheus/src/result_transformer.ts
+++ b/packages/grafana-prometheus/src/result_transformer.ts
@@ -278,6 +278,11 @@ function getDataLinks(options: ExemplarTraceIdDestination): DataLink[] {
         url: '',
         internal: {
           query: { query: '${__value.raw}', queryType: 'traceql' },
+          panelsState: {
+            trace: {
+              spanId: '${__data.fields["span_id"]}',
+            },
+          },
           datasourceUid: options.datasourceUid,
           datasourceName: dsSettings?.name ?? 'Data source not found',
         },