Add support for time range queries on jaeger plugin

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

CHANGELOG.md

@@ -5,6 +5,7 @@
 * [CHANGE] Add new querier service in deployment jsonnet to serve `/status` endpoint. [#1474](https://github.com/grafana/tempo/pull/1474) (@annanay25)
 * [CHANGE] Swapped out Google Cloud Functions serverless docs and build for Google Cloud Run. [#1483](https://github.com/grafana/tempo/pull/1483) (@joe-elliott)
 * [CHANGE] **BREAKING CHANGE** Change spanmetrics metric names and labels to match OTel conventions. [#1478](https://github.com/grafana/tempo/pull/1478) (@mapno)
+* [ENHANCEMENT] Add support for time picker in jaeger query plugin. [#1631](https://github.com/grafana/tempo/pull/1631) (@rubenvp8510)
 Old metric names:
 ```
 traces_spanmetrics_duration_seconds_{sum,count,bucket}

cmd/tempo-query/tempo/plugin.go

@@ -34,6 +34,8 @@ const (
 	operationSearchTag   = "name"
 	minDurationSearchTag = "minDuration"
 	maxDurationSearchTag = "maxDuration"
+	startTimeMaxTag      = "end"
+	startTimeMinTag      = "start"
 	numTracesSearchTag   = "limit"
 )
 
@@ -188,6 +190,9 @@ func (b *Backend) FindTraceIDs(ctx context.Context, query *jaeger_spanstore.Trac
 	urlQuery.Set(minDurationSearchTag, query.DurationMin.String())
 	urlQuery.Set(maxDurationSearchTag, query.DurationMax.String())
 	urlQuery.Set(numTracesSearchTag, strconv.Itoa(query.NumTraces))
+	urlQuery.Set(startTimeMaxTag, fmt.Sprintf("%d", query.StartTimeMax.Unix()))
+	urlQuery.Set(startTimeMinTag, fmt.Sprintf("%d", query.StartTimeMin.Unix()))
+
 	for k, v := range query.Tags {
 		urlQuery.Set(k, v)
 	}