数据分析ui补充完善，接入数据库

pages/mall/analytics/test/07_ml_analytics_rpcs_delivery.sql

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+-- =====================================================================================
+-- 数据分析模块（正式RPC，主库 ml_* 口径）
+-- 文件: 07_ml_analytics_rpcs_delivery.sql
+-- 主题: 配送效率分析 (趋势/费用/配送员排行)
+-- 依赖: public.ml_delivery_tasks, public.ml_delivery_drivers
+-- 口径约定:
+--   - 完成配送：ml_delivery_tasks.status = 5
+--   - 配送时长：delivered_at - assigned_at（分钟）
+--   - avg_fee：delivery_fee 平均
+-- =====================================================================================
+
+-- 1) 配送效率日趋势
+-- 返回字段需匹配前端 delivery-analysis.uvue：day / completed_orders / avg_delivery_minutes / avg_fee / total_fee
+CREATE OR REPLACE FUNCTION public.rpc_delivery_efficiency_daily(
+  p_start TIMESTAMPTZ,
+  p_end TIMESTAMPTZ
+)
+RETURNS TABLE (
+  day TEXT,
+  completed_orders BIGINT,
+  avg_delivery_minutes NUMERIC,
+  avg_fee NUMERIC,
+  total_fee NUMERIC
+)
+LANGUAGE sql
+AS $$
+  WITH date_series AS (
+    SELECT generate_series(date_trunc('day', p_start), date_trunc('day', p_end), interval '1 day')::date AS d
+  ),
+  tasks AS (
+    SELECT
+      assigned_at::date AS d,
+      EXTRACT(EPOCH FROM (delivered_at - assigned_at)) / 60.0 AS minutes,
+      delivery_fee
+    FROM public.ml_delivery_tasks
+    WHERE status = 5
+      AND assigned_at IS NOT NULL
+      AND delivered_at IS NOT NULL
+      AND assigned_at >= p_start
+      AND assigned_at < (p_end + interval '1 second')
+  )
+  SELECT
+    to_char(ds.d, 'YYYY-MM-DD') AS day,
+    COUNT(t.minutes)::bigint AS completed_orders,
+    ROUND(COALESCE(AVG(t.minutes), 0)::numeric, 2) AS avg_delivery_minutes,
+    ROUND(COALESCE(AVG(t.delivery_fee), 0)::numeric, 2) AS avg_fee,
+    ROUND(COALESCE(SUM(t.delivery_fee), 0)::numeric, 2) AS total_fee
+  FROM date_series ds
+  LEFT JOIN tasks t ON t.d = ds.d
+  GROUP BY ds.d
+  ORDER BY ds.d;
+$$;
+
+
+-- 2) 配送员效率排行 TOP
+-- 返回字段需匹配前端 delivery-analysis.uvue：driver_id / driver_name / orders / rating_avg
+CREATE OR REPLACE FUNCTION public.rpc_delivery_efficiency_top_drivers(
+  p_start TIMESTAMPTZ,
+  p_end TIMESTAMPTZ,
+  p_limit INT DEFAULT 10
+)
+RETURNS TABLE (
+  driver_id TEXT,
+  driver_name TEXT,
+  orders BIGINT,
+  rating_avg NUMERIC
+)
+LANGUAGE sql
+AS $$
+  SELECT
+    d.user_id::text AS driver_id,
+    COALESCE(NULLIF(u.username, ''), d.real_name, '未知')::text AS driver_name,
+    COUNT(t.id)::bigint AS orders,
+    COALESCE(d.rating_avg, 0)::numeric AS rating_avg
+  FROM public.ml_delivery_tasks t
+  JOIN public.ml_delivery_drivers d ON d.id = t.driver_id
+  LEFT JOIN public.ak_users u ON u.id = d.user_id
+  WHERE t.status = 5
+    AND t.assigned_at IS NOT NULL
+    AND t.assigned_at >= p_start
+    AND t.assigned_at < (p_end + interval '1 second')
+  GROUP BY d.user_id, u.username, d.real_name, d.rating_avg
+  ORDER BY orders DESC
+  LIMIT p_limit;
+$$;