refactor: switch group by instead of triggering aggregation

Using FINAL in clickhouse query will trigger the aggregation
merge of data while using group by will be more efficient.
It's recommended id docs as well - https://clickhouse.com/
docs/engines/table-engines/mergetree-family/
aggregatingmergetree#select-and-insert

pkg/query-service/app/clickhouseReader/reader.go

@@ -830,7 +830,7 @@ func (r *ClickHouseReader) GetUsage(ctx context.Context, queryParams *model.GetU
 
 func (r *ClickHouseReader) GetSpansForTrace(ctx context.Context, traceID string, traceDetailsQuery string) ([]model.SpanItemV2, *model.ApiError) {
 	var traceSummary model.TraceSummary
-	summaryQuery := fmt.Sprintf("SELECT * from %s.%s FINAL WHERE trace_id=$1", r.TraceDB, r.traceSummaryTable)
+	summaryQuery := fmt.Sprintf("SELECT trace_id, min(start) AS start, max(end) AS end, sum(num_spans) AS num_spans FROM %s.%s WHERE trace_id=$1 GROUP BY trace_id", r.TraceDB, r.traceSummaryTable)
 	err := r.db.QueryRow(ctx, summaryQuery, traceID).Scan(&traceSummary.TraceID, &traceSummary.Start, &traceSummary.End, &traceSummary.NumSpans)
 	if err != nil {
 		if err == sql.ErrNoRows {
@@ -6458,7 +6458,7 @@ func (r *ClickHouseReader) SearchTraces(ctx context.Context, params *model.Searc
 	}
 
 	var traceSummary model.TraceSummary
-	summaryQuery := fmt.Sprintf("SELECT * from %s.%s FINAL WHERE trace_id=$1", r.TraceDB, r.traceSummaryTable)
+	summaryQuery := fmt.Sprintf("SELECT trace_id, min(start) AS start, max(end) AS end, sum(num_spans) AS num_spans FROM %s.%s WHERE trace_id=$1 GROUP BY trace_id", r.TraceDB, r.traceSummaryTable)
 	err := r.db.QueryRow(ctx, summaryQuery, params.TraceID).Scan(&traceSummary.TraceID, &traceSummary.Start, &traceSummary.End, &traceSummary.NumSpans)
 	if err != nil {
 		if err == sql.ErrNoRows {