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