added safety div with nullif

2026-01-06 16:36:58 +07:00
parent c1d1796679
commit 88db25d7d5
3 changed files with 4 additions and 4 deletions
@@ -5,7 +5,7 @@ select
 	count(distinct e.user_id) as unique_users,
 	count(distinct l.id) as lessons_count,
 	count(distinct lv.id) as total_views,
-	round(count(distinct lv.id)*1.0/count(distinct e.user_id), 2) as avg_views_per_user,
+	round(count(distinct lv.id)*1.0/nullif(count(distinct e.user_id), 0), 2) as avg_views_per_user,
 	min(lv.viewed_at) as first_viewed_at,
 	max(lv.viewed_at) as last_viewed_at
 from enrollments e