1 changed files with 30 additions and 28 deletions
@@ -1,38 +1,40 @@
-CREATE MATERIALIZED VIEW user_cohort_analysis AS
+CREATE MATERIALIZED
+VIEW user_cohort_analysis AS

-	SELECT 
-		TO_CHAR(pu.cohort_month, 'YYYY-MM') AS MONTH,
-		COUNT(DISTINCT pu.id) AS users_in_cohort,
-		COUNT(DISTINCT pe.user_id) AS enrolled_users,
-		COUNT(DISTINCT plv.user_id) AS active_users,
-		ROUND(COUNT(DISTINCT plv.user_id) * 100.0 / COUNT(DISTINCT pu.id), 2) || '%' AS retention_rate,
-		ROUND(AVG((SELECT COUNT(*) FROM pet_courses pc)) / COUNT(DISTINCT pu.id), 2) AS avg_courses_per_user,	
-		(SELECT 
-			ROUND(AVG(table_first_viewed_at.first_viewed_at::date - pu2.registration_date::date), 2)
-		FROM pet_users pu2
+SELECT
+	TO_CHAR(pu.cohort_month, 'YYYY-MM') AS MONTH,
+	COUNT(DISTINCT pu.id) AS users_in_cohort,
+	COUNT(DISTINCT pe.user_id) AS enrolled_users,
+	COUNT(DISTINCT plv.user_id) AS active_users,
+	ROUND(COUNT(DISTINCT plv.user_id) * 100.0 / COUNT(DISTINCT pu.id), 2) || '%' AS retention_rate,
+	ROUND(AVG((SELECT COUNT(pe.id)
+	FROM pet_enrollments pe)) / COUNT(DISTINCT pu.id), 2) AS avg_courses_per_user,
+	(SELECT
+		ROUND(AVG(table_first_viewed_at.first_viewed_at::date - pu2.registration_date::date), 2)
+	FROM pet_users pu2
 		LEFT JOIN (
-			SELECT 
-				plv2.user_id,
-				MIN(plv2.viewed_at) AS first_viewed_at
-			FROM pet_lesson_views plv2
-			GROUP BY plv2.user_id
+			SELECT
+			plv2.user_id,
+			MIN(plv2.viewed_at) AS first_viewed_at
+		FROM pet_lesson_views plv2
+		GROUP BY plv2.user_id
 		) AS table_first_viewed_at
-		
-			ON pu2.id = table_first_viewed_at.user_id
-			
-		WHERE DATE_TRUNC('month', pu2.registration_date) = pu.cohort_month
+
+		ON pu2.id = table_first_viewed_at.user_id
+
+	WHERE DATE_TRUNC('month', pu2.registration_date) = pu.cohort_month
 		) AS avg_time_to_first_view
-		
-	FROM (
+
+FROM (
 		SELECT
-			*,
-			DATE_TRUNC('month', registration_date) AS cohort_month
-		FROM pet_users
+		*,
+		DATE_TRUNC('month', registration_date) AS cohort_month
+	FROM pet_users
 	) AS pu
 	LEFT JOIN pet_enrollments pe ON pu.id = pe.user_id
 	LEFT JOIN pet_lesson_views plv ON pu.id = plv.user_id
-	
-	GROUP BY pu.cohort_month
-	ORDER BY pu.cohort_month;
+
+GROUP BY pu.cohort_month
+ORDER BY pu.cohort_month;