удалено

aysat/clickhouse/TESTcode_blya.sql

@@ -1,20 +0,0 @@
-CREATE MATERIALIZED VIEW lesson_popularity_summary
-ENGINE = SummingMergeTree()
-ORDER BY (course_id, lesson_id) AS
-SELECT 
-    lv.lesson_id as lesson_id,
-    l.title as lesson_title,
-    lv.course_id as course_id,
-    c.title as course_title,
-    count() as total_views,
-    uniq(lv.user_id) as unique_users,
-    min(lv.viewed_at) as first_view,
-    max(lv.viewed_at) as last_view
-FROM fact_lesson_views lv
-LEFT JOIN dim_lesson l ON lv.lesson_id = l.lesson_id
-LEFT JOIN dim_course c ON lv.course_id = c.course_id
-GROUP BY 
-    lv.lesson_id,
-    l.title,
-    lv.course_id,
-    c.title;