fixed reltive last comments

2025-12-27 17:41:27 +03:00
parent ebc2f07fc8
commit 207c435477
2 changed files with 7 additions and 7 deletions
@@ -6,11 +6,12 @@

 CREATE MATERIALIZED VIEW IF NOT EXISTS dm.lesson_popularity_summary AS
 -- EXPLAIN ANALYZE
+DISTRIBUTED BY (lesson_id, course_id)
 WITH t1 AS (
 SELECT 
 	lesson_id,
 	course_id,
-	COUNT(lesson_id) AS total_views,
+	COUNT(*) AS total_views,
 	COUNT(DISTINCT user_id) AS unique_users,
 	MIN(viewed_at)AS first_view,
 	MAX(viewed_at)AS last_view
@@ -25,8 +26,8 @@ SELECT
 	c.title AS course_title
 FROM core.dim_course c 
 LEFT JOIN core.dim_lesson l USING(course_id)
-
 )
+
 SELECT 
 	t1.lesson_id,
 	t2.lesson_title,
@@ -37,6 +38,5 @@ SELECT
 	t1.first_view,
 	t1.last_view
 FROM t1
-LEFT JOIN t2 USING(lesson_id)
+LEFT JOIN t2 USING(lesson_id, course_id);

-DISTRIBUTED BY (lesson_id, course_id);