Этап: SQLite и запуск пайплайна

sql/schema.sql

@@ -0,0 +1,25 @@
+CREATE TABLE IF NOT EXISTS orders (
+    order_id INTEGER PRIMARY KEY NOT NULL CHECK (typeof(order_id) = 'integer' AND order_id > 0),
+    order_date TEXT NOT NULL CHECK (
+        length(order_date) = 10 AND order_date >= '0001-01-01'
+        AND order_date IS date(order_date, '+0 days')
+    ),
+    category TEXT NOT NULL CHECK (typeof(category) = 'text' AND length(trim(category)) > 0),
+    quantity INTEGER NOT NULL CHECK (typeof(quantity) = 'integer' AND quantity > 0),
+    unit_price_kopecks INTEGER NOT NULL CHECK (typeof(unit_price_kopecks) = 'integer' AND unit_price_kopecks > 0),
+    revenue_kopecks INTEGER NOT NULL CHECK (
+        typeof(revenue_kopecks) = 'integer' AND revenue_kopecks > 0
+        AND revenue_kopecks = quantity * unit_price_kopecks
+    )
+) WITHOUT ROWID;
+
+CREATE TABLE IF NOT EXISTS daily_category_revenue (
+    order_date TEXT NOT NULL CHECK (
+        length(order_date) = 10 AND order_date >= '0001-01-01'
+        AND order_date IS date(order_date, '+0 days')
+    ),
+    category TEXT NOT NULL CHECK (typeof(category) = 'text' AND length(trim(category)) > 0),
+    order_count INTEGER NOT NULL CHECK (typeof(order_count) = 'integer' AND order_count > 0),
+    revenue_kopecks INTEGER NOT NULL CHECK (typeof(revenue_kopecks) = 'integer' AND revenue_kopecks > 0),
+    PRIMARY KEY (order_date, category)
+) WITHOUT ROWID;