update clickhouse query

repository/statistics/click_statistics.go

@@ -48,12 +48,14 @@ FROM statistics WHERE message IN ('InfoQuizOpen', 'InfoAnswer', 'InfoResult')
 	return nil
 }
 
-type PipeLineStatsResp [][]struct {
+type Statistic struct {
 	Count      int64
 	QuestionID int64
 }
 
-func (s *StatisticClick) GetPipelinesStatistics(ctx context.Context, quizID int64, from uint64, to uint64) ([]PipeLineStatsResp, error) {
+type PipeLineStatsResp [][]Statistic
+
+func (s *StatisticClick) GetPipelinesStatistics(ctx context.Context, quizID int64, from uint64, to uint64) (PipeLineStatsResp, error) {
 	query := `
 SELECT
     ctxsession,ctxquestionid,count(*) as session_count
@@ -66,8 +68,8 @@ GROUP BY ctxsession, ctxquestionid ORDER BY ctxsession, ctxquestionid
 	}
 	defer rows.Close()
 
-	var pipelines []PipeLineStatsResp
-	var currentPipeline PipeLineStatsResp
+	var pipelines PipeLineStatsResp
+	var currentPipeline []Statistic
 	var lastSession string
 
 	for rows.Next() {
@@ -80,16 +82,18 @@ GROUP BY ctxsession, ctxquestionid ORDER BY ctxsession, ctxquestionid
 		}
 
 		// новая сессия - новая воронка
-		if session != lastSession && lastSession != "" {
-			pipelines = append(pipelines, currentPipeline)
-			currentPipeline = PipeLineStatsResp{}
+		if session != lastSession {
+			if lastSession != "" {
+				pipelines = append(pipelines, currentPipeline)
+			}
+			currentPipeline = []Statistic{}
 		}
 
 		// текущая статистика в текущую воронку
-		currentPipeline = append(currentPipeline, []struct {
-			Count      int64
-			QuestionID int64
-		}{{Count: count, QuestionID: questionID}})
+		currentPipeline = append(currentPipeline, Statistic{
+			Count:      count,
+			QuestionID: questionID,
+		})
 
 		lastSession = session
 	}