73 lines
2.6 KiB
SQL
73 lines
2.6 KiB
SQL
-- =============================================
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-- 配送效率分析 - 测试数据插入脚本
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-- 说明：
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-- - 用于生成配送员 + 近 30 天配送任务（已送达），便于配送效率分析页面展示趋势与排行。
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-- - 可重复执行：配送员按 real_name 唯一键去重；任务默认会持续累加。
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-- - 如需每次重置数据，请取消 TRUNCATE 注释。
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-- =============================================
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-- For a clean test, you can uncomment these lines to clear old data.
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-- TRUNCATE public.ml_delivery_tasks, public.ml_delivery_drivers RESTART IDENTITY;
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-- 1) Insert a pool of drivers.
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-- ON CONFLICT ensures this is safe to run multiple times.
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INSERT INTO public.ml_delivery_drivers (real_name, work_status, rating_avg, rating_count)
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VALUES
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('张配送', 1, 4.8, 32),
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('李骑手', 1, 4.5, 20),
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('王师傅', 2, 4.9, 150),
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('赵快递', 3, 4.7, 88),
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('刘哥', 1, 4.6, 54),
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('新人小陈', 1, 3.9, 12)
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ON CONFLICT (real_name) DO NOTHING;
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-- 2) Generate tasks for the last 30 days.
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DO $$
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DECLARE
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driver_ids UUID[];
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d_id UUID;
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i INT;
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j INT;
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num_tasks INT;
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assigned_time TIMESTAMPTZ;
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delivery_duration INT; -- in minutes
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BEGIN
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-- Get all driver IDs into an array
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SELECT array_agg(id) INTO driver_ids FROM public.ml_delivery_drivers;
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IF array_length(driver_ids, 1) IS NULL THEN
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RAISE NOTICE 'No drivers found, skipping task generation.';
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RETURN;
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END IF;
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-- Loop for the last 30 days
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FOR i IN 0..29 LOOP
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-- Create a random number of tasks for each day
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num_tasks := floor(random() * 10 + 5)::INT; -- 5 to 14 tasks per day
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FOR j IN 1..num_tasks LOOP
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-- Pick a random driver
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d_id := driver_ids[floor(random() * array_length(driver_ids, 1) + 1)];
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-- Generate a random time within the day (from 8am to 10pm)
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assigned_time := (NOW() - (i || ' days')::INTERVAL)::date
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+ '8 hours'::interval
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+ (floor(random() * 14 * 60) || ' minutes')::interval;
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-- Generate random delivery duration (10 to 50 minutes)
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delivery_duration := floor(random() * 41 + 10);
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INSERT INTO public.ml_delivery_tasks (order_id, driver_id, status, assigned_at, delivered_at, delivery_fee)
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VALUES (
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gen_random_uuid(), -- Generate a unique order_id for each task
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d_id,
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5, -- Status 'Delivered'
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assigned_time,
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assigned_time + (delivery_duration || ' minutes')::INTERVAL,
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floor(random() * 8 + 3) -- Fee between 3 and 10
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);
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END LOOP;
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END LOOP;
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END;
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$$;
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