284 lines
12 KiB
SQL
284 lines
12 KiB
SQL
-- =============================================
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-- 配送效率分析 - 配送相关基础表（建表 + 升级，支持重复执行）
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-- 说明：
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-- - 本脚本用于测试阶段，为配送效率分析页面提供必要的表结构。
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-- - 使用 CREATE TABLE IF NOT EXISTS + DO 块判断列/约束是否存在，实现可重复执行。
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-- - 外键：
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-- - driver_id -> ml_delivery_drivers(id) 必须存在。
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-- - user_id -> ak_users(id) 仅在 ak_users 表存在时才会创建外键（避免执行报错）。
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-- =============================================
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-- 1) 创建基础表（若不存在）
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CREATE TABLE IF NOT EXISTS public.ml_delivery_drivers (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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real_name TEXT,
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created_at TIMESTAMPTZ DEFAULT NOW()
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);
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CREATE TABLE IF NOT EXISTS public.ml_delivery_tasks (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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created_at TIMESTAMPTZ DEFAULT NOW()
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);
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-- 2) 补齐字段（若不存在）
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DO $$
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BEGIN
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-- =========================
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-- ml_delivery_drivers
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-- =========================
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_drivers' AND column_name='user_id'
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) THEN
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ALTER TABLE public.ml_delivery_drivers ADD COLUMN user_id UUID;
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_drivers' AND column_name='work_status'
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) THEN
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ALTER TABLE public.ml_delivery_drivers ADD COLUMN work_status INTEGER DEFAULT 1;
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_drivers' AND column_name='rating_avg'
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) THEN
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ALTER TABLE public.ml_delivery_drivers ADD COLUMN rating_avg NUMERIC(3,2) DEFAULT 0;
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_drivers' AND column_name='rating_count'
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) THEN
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ALTER TABLE public.ml_delivery_drivers ADD COLUMN rating_count INTEGER DEFAULT 0;
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_drivers' AND column_name='updated_at'
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) THEN
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ALTER TABLE public.ml_delivery_drivers ADD COLUMN updated_at TIMESTAMPTZ DEFAULT NOW();
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END IF;
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-- =========================
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-- ml_delivery_tasks
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-- =========================
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_tasks' AND column_name='order_id'
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) THEN
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ALTER TABLE public.ml_delivery_tasks ADD COLUMN order_id UUID;
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_tasks' AND column_name='driver_id'
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) THEN
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ALTER TABLE public.ml_delivery_tasks ADD COLUMN driver_id UUID;
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_tasks' AND column_name='status'
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) THEN
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ALTER TABLE public.ml_delivery_tasks ADD COLUMN status INTEGER DEFAULT 1;
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_tasks' AND column_name='assigned_at'
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) THEN
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ALTER TABLE public.ml_delivery_tasks ADD COLUMN assigned_at TIMESTAMPTZ;
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_tasks' AND column_name='delivered_at'
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) THEN
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ALTER TABLE public.ml_delivery_tasks ADD COLUMN delivered_at TIMESTAMPTZ;
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_tasks' AND column_name='delivery_fee'
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) THEN
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ALTER TABLE public.ml_delivery_tasks ADD COLUMN delivery_fee NUMERIC(10,2) DEFAULT 0;
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema='public' AND table_name='ml_delivery_tasks' AND column_name='updated_at'
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) THEN
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ALTER TABLE public.ml_delivery_tasks ADD COLUMN updated_at TIMESTAMPTZ DEFAULT NOW();
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END IF;
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END;
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$$;
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-- 3) 添加表/字段中文注释
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COMMENT ON TABLE public.ml_delivery_drivers IS '配送员表';
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COMMENT ON COLUMN public.ml_delivery_drivers.id IS '配送员ID';
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COMMENT ON COLUMN public.ml_delivery_drivers.user_id IS '关联用户ID（可选，若存在 ak_users 表则可建立外键）';
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COMMENT ON COLUMN public.ml_delivery_drivers.real_name IS '真实姓名';
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COMMENT ON COLUMN public.ml_delivery_drivers.work_status IS '工作状态：1在线 2忙碌 3离线';
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COMMENT ON COLUMN public.ml_delivery_drivers.rating_avg IS '平均评分（0-5）';
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COMMENT ON COLUMN public.ml_delivery_drivers.rating_count IS '评分次数';
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COMMENT ON COLUMN public.ml_delivery_drivers.created_at IS '创建时间';
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COMMENT ON COLUMN public.ml_delivery_drivers.updated_at IS '更新时间';
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COMMENT ON TABLE public.ml_delivery_tasks IS '配送任务表（接单->送达）';
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COMMENT ON COLUMN public.ml_delivery_tasks.id IS '任务ID';
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COMMENT ON COLUMN public.ml_delivery_tasks.order_id IS '订单ID（测试阶段可空；正式可做 UNIQUE + 外键）';
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COMMENT ON COLUMN public.ml_delivery_tasks.driver_id IS '配送员ID';
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COMMENT ON COLUMN public.ml_delivery_tasks.status IS '状态：1待接 2已接 3取货 4配送中 5已送达 6配送失败';
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COMMENT ON COLUMN public.ml_delivery_tasks.assigned_at IS '接单时间';
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COMMENT ON COLUMN public.ml_delivery_tasks.delivered_at IS '送达时间';
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COMMENT ON COLUMN public.ml_delivery_tasks.delivery_fee IS '配送费';
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COMMENT ON COLUMN public.ml_delivery_tasks.created_at IS '创建时间';
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COMMENT ON COLUMN public.ml_delivery_tasks.updated_at IS '更新时间';
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-- 4) 添加约束（幂等）
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DO $$
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BEGIN
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-- drivers: real_name 唯一
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='u' AND n.nspname='public' AND t.relname='ml_delivery_drivers' AND c.conname='ml_delivery_drivers_real_name_key'
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) THEN
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ALTER TABLE public.ml_delivery_drivers
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ADD CONSTRAINT ml_delivery_drivers_real_name_key UNIQUE (real_name);
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END IF;
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-- drivers: work_status 枚举
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='c' AND n.nspname='public' AND t.relname='ml_delivery_drivers' AND c.conname='chk_ml_delivery_drivers_work_status'
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) THEN
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ALTER TABLE public.ml_delivery_drivers
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ADD CONSTRAINT chk_ml_delivery_drivers_work_status CHECK (work_status IN (1,2,3));
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END IF;
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-- drivers: rating_avg 范围
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='c' AND n.nspname='public' AND t.relname='ml_delivery_drivers' AND c.conname='chk_ml_delivery_drivers_rating_avg'
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) THEN
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ALTER TABLE public.ml_delivery_drivers
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ADD CONSTRAINT chk_ml_delivery_drivers_rating_avg CHECK (rating_avg >= 0 AND rating_avg <= 5);
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END IF;
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-- drivers: rating_count 非负
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='c' AND n.nspname='public' AND t.relname='ml_delivery_drivers' AND c.conname='chk_ml_delivery_drivers_rating_count'
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) THEN
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ALTER TABLE public.ml_delivery_drivers
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ADD CONSTRAINT chk_ml_delivery_drivers_rating_count CHECK (rating_count >= 0);
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END IF;
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-- tasks: status 枚举
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='c' AND n.nspname='public' AND t.relname='ml_delivery_tasks' AND c.conname='chk_ml_delivery_tasks_status'
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) THEN
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ALTER TABLE public.ml_delivery_tasks
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ADD CONSTRAINT chk_ml_delivery_tasks_status CHECK (status IN (1,2,3,4,5,6));
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END IF;
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-- tasks: delivery_fee 非负
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='c' AND n.nspname='public' AND t.relname='ml_delivery_tasks' AND c.conname='chk_ml_delivery_tasks_delivery_fee'
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) THEN
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ALTER TABLE public.ml_delivery_tasks
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ADD CONSTRAINT chk_ml_delivery_tasks_delivery_fee CHECK (delivery_fee >= 0);
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END IF;
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-- tasks: 时间逻辑 delivered_at >= assigned_at
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='c' AND n.nspname='public' AND t.relname='ml_delivery_tasks' AND c.conname='chk_ml_delivery_tasks_time_logic'
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) THEN
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ALTER TABLE public.ml_delivery_tasks
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ADD CONSTRAINT chk_ml_delivery_tasks_time_logic CHECK (
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delivered_at IS NULL OR assigned_at IS NULL OR delivered_at >= assigned_at
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);
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END IF;
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-- tasks: driver_id 外键
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='f' AND n.nspname='public' AND t.relname='ml_delivery_tasks' AND c.conname='ml_delivery_tasks_driver_id_fkey'
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) THEN
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ALTER TABLE public.ml_delivery_tasks
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ADD CONSTRAINT ml_delivery_tasks_driver_id_fkey FOREIGN KEY (driver_id)
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REFERENCES public.ml_delivery_drivers(id) ON DELETE SET NULL;
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END IF;
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-- drivers: user_id 外键（仅当 ak_users 表存在时才创建）
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IF EXISTS (
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SELECT 1 FROM information_schema.tables
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WHERE table_schema='public' AND table_name='ak_users'
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) THEN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='f' AND n.nspname='public' AND t.relname='ml_delivery_drivers' AND c.conname='ml_delivery_drivers_user_id_fkey'
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) THEN
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ALTER TABLE public.ml_delivery_drivers
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ADD CONSTRAINT ml_delivery_drivers_user_id_fkey FOREIGN KEY (user_id)
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REFERENCES public.ak_users(id) ON DELETE SET NULL;
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END IF;
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END IF;
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-- drivers: user_id 唯一（如果你不用 user_id，可以后续删除该约束）
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='u' AND n.nspname='public' AND t.relname='ml_delivery_drivers' AND c.conname='ml_delivery_drivers_user_id_key'
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) THEN
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ALTER TABLE public.ml_delivery_drivers
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ADD CONSTRAINT ml_delivery_drivers_user_id_key UNIQUE (user_id);
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END IF;
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-- tasks: order_id 唯一（测试阶段允许 NULL，NULL 不冲突）
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint c
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JOIN pg_class t ON t.oid = c.conrelid
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JOIN pg_namespace n ON n.oid = t.relnamespace
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WHERE c.contype='u' AND n.nspname='public' AND t.relname='ml_delivery_tasks' AND c.conname='ml_delivery_tasks_order_id_key'
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) THEN
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ALTER TABLE public.ml_delivery_tasks
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ADD CONSTRAINT ml_delivery_tasks_order_id_key UNIQUE (order_id);
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END IF;
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END;
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$$;
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-- 5) 索引（幂等）
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CREATE INDEX IF NOT EXISTS idx_ml_delivery_drivers_work_status ON public.ml_delivery_drivers(work_status);
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CREATE INDEX IF NOT EXISTS idx_ml_delivery_tasks_status ON public.ml_delivery_tasks(status);
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CREATE INDEX IF NOT EXISTS idx_ml_delivery_tasks_assigned_at ON public.ml_delivery_tasks(assigned_at);
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CREATE INDEX IF NOT EXISTS idx_ml_delivery_tasks_driver_id ON public.ml_delivery_tasks(driver_id);
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-- 完成
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SELECT 'delivery tables ensured' AS message;
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