пет-проект полностью

2026-05-11 04:21:02 +04:00
parent c654840ffd
commit d280456d09
4 changed files with 377 additions and 0 deletions
@@ -0,0 +1,90 @@
+DROP TABLE IF EXISTS dsolovianov.core_fact_lesson_views ON CLUSTER clickhouse_cluster SYNC;
+DROP TABLE IF EXISTS dsolovianov.core_dim_user ON CLUSTER clickhouse_cluster SYNC;
+DROP TABLE IF EXISTS dsolovianov.core_dim_course ON CLUSTER clickhouse_cluster SYNC;
+DROP TABLE IF EXISTS dsolovianov.core_dim_lesson ON CLUSTER clickhouse_cluster SYNC;
+DROP TABLE IF EXISTS dsolovianov.core_dim_date ON CLUSTER clickhouse_cluster SYNC;
+DROP TABLE IF EXISTS dsolovianov.core_enrollments ON CLUSTER clickhouse_cluster SYNC;
+
+CREATE TABLE dsolovianov.core_dim_user
+ON CLUSTER clickhouse_cluster
+(
+    user_id Int32,
+    name String,
+    age Int32,
+    email String,
+    registration_date Date
+)
+ENGINE = ReplicatedMergeTree(
+    '/clickhouse/tables/{shard}/dsolovianov/core_dim_user',
+    '{replica}'
+)
+ORDER BY user_id;
+
+CREATE TABLE dsolovianov.core_dim_course
+ON CLUSTER clickhouse_cluster
+(
+    course_id Int32,
+    title String,
+    category String
+)
+ENGINE = ReplicatedMergeTree(
+    '/clickhouse/tables/{shard}/dsolovianov/core_dim_course',
+    '{replica}'
+)
+ORDER BY course_id;
+
+CREATE TABLE dsolovianov.core_dim_lesson
+ON CLUSTER clickhouse_cluster
+(
+    lesson_id Int32,
+    title String,
+    duration_min Int32,
+    course_id Int32
+)
+ENGINE = ReplicatedMergeTree(
+    '/clickhouse/tables/{shard}/dsolovianov/core_dim_lesson',
+    '{replica}'
+)
+ORDER BY lesson_id;
+
+CREATE TABLE dsolovianov.core_dim_date
+ON CLUSTER clickhouse_cluster
+(
+    date Date,
+    year Int32,
+    month Int32,
+    day Int32,
+    weekday String
+)
+ENGINE = ReplicatedMergeTree(
+    '/clickhouse/tables/{shard}/dsolovianov/core_dim_date',
+    '{replica}'
+)
+ORDER BY date;
+
+CREATE TABLE dsolovianov.core_enrollments
+ON CLUSTER clickhouse_cluster
+(
+    user_id Int32,
+    course_id Int32,
+    enrolled_at DateTime64(3)
+)
+ENGINE = ReplicatedMergeTree(
+    '/clickhouse/tables/{shard}/dsolovianov/core_enrollments',
+    '{replica}'
+)
+ORDER BY user_id;
+
+CREATE TABLE dsolovianov.core_fact_lesson_views
+ON CLUSTER clickhouse_cluster
+(
+ 	user_id Int32, 
+    lesson_id Int32,
+    course_id Int32,
+    viewed_at DateTime64(3)
+)
+ENGINE = ReplicatedMergeTree(
+    '/clickhouse/tables/{shard}/dsolovianov/core_fact_lesson_views',
+    '{replica}'
+)
+ORDER BY user_id;