mall数据库文件

pages/mall/analytics/test/DELIVERY_ANALYSIS_RPCS.sql

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+-- ============================================
+-- 配送效率分析（按 assigned_at 统计周期，接单 -> 送达）
+-- 依赖表：ml_delivery_tasks, ml_delivery_drivers
+-- ============================================
+
+-- 1) 每日趋势：平均时效/平均配送费/总配送费/完成单量
+CREATE OR REPLACE FUNCTION public.rpc_delivery_efficiency_daily(
+  p_start TIMESTAMPTZ,
+  p_end TIMESTAMPTZ
+)
+RETURNS TABLE (
+  day DATE,
+  completed_orders INTEGER,
+  avg_delivery_minutes NUMERIC,
+  total_fee NUMERIC,
+  avg_fee NUMERIC
+)
+LANGUAGE sql
+SECURITY DEFINER
+SET search_path = public
+AS $$
+  SELECT
+    DATE(t.assigned_at) AS day,
+    COUNT(*)::INTEGER AS completed_orders,
+    AVG(EXTRACT(EPOCH FROM (t.delivered_at - t.assigned_at)) / 60.0) AS avg_delivery_minutes,
+    COALESCE(SUM(t.delivery_fee), 0) AS total_fee,
+    AVG(t.delivery_fee) AS avg_fee
+  FROM public.ml_delivery_tasks t
+  WHERE t.status = 5
+    AND t.assigned_at >= p_start
+    AND t.assigned_at < p_end
+    AND t.delivered_at IS NOT NULL
+  GROUP BY DATE(t.assigned_at)
+  ORDER BY day;
+$$;
+
+-- 2) Top N 配送员：按完成单量排序
+CREATE OR REPLACE FUNCTION public.rpc_delivery_efficiency_top_drivers(
+  p_start TIMESTAMPTZ,
+  p_end TIMESTAMPTZ,
+  p_limit INTEGER DEFAULT 10
+)
+RETURNS TABLE (
+  driver_id UUID,
+  driver_name TEXT,
+  orders INTEGER,
+  rating_avg NUMERIC
+)
+LANGUAGE sql
+SECURITY DEFINER
+SET search_path = public
+AS $$
+  SELECT
+    d.id AS driver_id,
+    CAST(d.real_name AS TEXT) AS driver_name,
+    COUNT(*)::INTEGER AS orders,
+    COALESCE(d.rating_avg, 0) AS rating_avg
+  FROM public.ml_delivery_tasks t
+  JOIN public.ml_delivery_drivers d ON d.id = t.driver_id
+  WHERE t.status = 5
+    AND t.assigned_at >= p_start
+    AND t.assigned_at < p_end
+    AND t.delivered_at IS NOT NULL
+  GROUP BY d.id, d.real_name, d.rating_avg
+  ORDER BY orders DESC
+  LIMIT p_limit;
+$$;
+
+-- 建议：只允许 authenticated 调用（按你现有 analytics 的做法）
+REVOKE ALL ON FUNCTION public.rpc_delivery_efficiency_daily(TIMESTAMPTZ, TIMESTAMPTZ) FROM PUBLIC;
+REVOKE ALL ON FUNCTION public.rpc_delivery_efficiency_top_drivers(TIMESTAMPTZ, TIMESTAMPTZ, INTEGER) FROM PUBLIC;
+GRANT EXECUTE ON FUNCTION public.rpc_delivery_efficiency_daily(TIMESTAMPTZ, TIMESTAMPTZ) TO authenticated;
+GRANT EXECUTE ON FUNCTION public.rpc_delivery_efficiency_top_drivers(TIMESTAMPTZ, TIMESTAMPTZ, INTEGER) TO authenticated;