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mall_sql/migrations/20260515_delivery_staff_v2_minimal.sql

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+BEGIN;
+
+CREATE OR REPLACE FUNCTION public.tg_set_updated_at()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+BEGIN
+  NEW.updated_at = now();
+  RETURN NEW;
+END;
+$$;
+
+ALTER TABLE public.ml_delivery_staff
+  ADD COLUMN IF NOT EXISTS station_id UUID REFERENCES public.ml_delivery_stations(id) ON DELETE SET NULL,
+  ADD COLUMN IF NOT EXISTS staff_no TEXT,
+  ADD COLUMN IF NOT EXISTS online_status TEXT NOT NULL DEFAULT 'resting',
+  ADD COLUMN IF NOT EXISTS certificate_status TEXT NOT NULL DEFAULT 'pending',
+  ADD COLUMN IF NOT EXISTS certificate_expire_at DATE,
+  ADD COLUMN IF NOT EXISTS service_area TEXT NOT NULL DEFAULT '',
+  ADD COLUMN IF NOT EXISTS skills JSONB NOT NULL DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS deleted_at TIMESTAMPTZ,
+  ADD COLUMN IF NOT EXISTS deleted_by UUID REFERENCES public.ak_users(id) ON DELETE SET NULL;
+
+ALTER TABLE public.ml_delivery_staff
+  DROP CONSTRAINT IF EXISTS chk_ml_delivery_staff_online_status;
+ALTER TABLE public.ml_delivery_staff
+  ADD CONSTRAINT chk_ml_delivery_staff_online_status
+  CHECK (online_status IN ('online', 'resting', 'busy'));
+
+ALTER TABLE public.ml_delivery_staff
+  DROP CONSTRAINT IF EXISTS chk_ml_delivery_staff_certificate_status;
+ALTER TABLE public.ml_delivery_staff
+  ADD CONSTRAINT chk_ml_delivery_staff_certificate_status
+  CHECK (certificate_status IN ('valid', 'expired', 'pending'));
+
+ALTER TABLE public.ml_delivery_stations
+  ADD COLUMN IF NOT EXISTS deleted_at TIMESTAMPTZ,
+  ADD COLUMN IF NOT EXISTS deleted_by UUID REFERENCES public.ak_users(id) ON DELETE SET NULL;
+
+CREATE UNIQUE INDEX IF NOT EXISTS uq_ml_delivery_staff_uid_active
+  ON public.ml_delivery_staff(uid)
+  WHERE uid IS NOT NULL AND deleted_at IS NULL;
+
+CREATE UNIQUE INDEX IF NOT EXISTS uq_ml_delivery_staff_staff_no_active
+  ON public.ml_delivery_staff(staff_no)
+  WHERE staff_no IS NOT NULL AND deleted_at IS NULL;
+
+CREATE INDEX IF NOT EXISTS idx_ml_delivery_staff_station_id
+  ON public.ml_delivery_staff(station_id)
+  WHERE deleted_at IS NULL;
+
+CREATE INDEX IF NOT EXISTS idx_ml_delivery_staff_deleted_at
+  ON public.ml_delivery_staff(deleted_at);
+
+CREATE INDEX IF NOT EXISTS idx_ml_delivery_staff_status_active
+  ON public.ml_delivery_staff(status, is_active)
+  WHERE deleted_at IS NULL;
+
+CREATE INDEX IF NOT EXISTS idx_ml_delivery_stations_deleted_at
+  ON public.ml_delivery_stations(deleted_at);
+
+CREATE INDEX IF NOT EXISTS idx_ml_delivery_stations_status_active
+  ON public.ml_delivery_stations(status)
+  WHERE deleted_at IS NULL;
+
+DROP TRIGGER IF EXISTS trg_ml_delivery_staff_set_updated_at ON public.ml_delivery_staff;
+CREATE TRIGGER trg_ml_delivery_staff_set_updated_at
+BEFORE UPDATE ON public.ml_delivery_staff
+FOR EACH ROW
+EXECUTE FUNCTION public.tg_set_updated_at();
+
+DROP TRIGGER IF EXISTS trg_ml_delivery_stations_set_updated_at ON public.ml_delivery_stations;
+CREATE TRIGGER trg_ml_delivery_stations_set_updated_at
+BEFORE UPDATE ON public.ml_delivery_stations
+FOR EACH ROW
+EXECUTE FUNCTION public.tg_set_updated_at();
+
+ALTER TABLE public.ml_delivery_staff ENABLE ROW LEVEL SECURITY;
+ALTER TABLE public.ml_delivery_stations ENABLE ROW LEVEL SECURITY;
+
+DROP POLICY IF EXISTS delivery_staff_self_select ON public.ml_delivery_staff;
+CREATE POLICY delivery_staff_self_select
+  ON public.ml_delivery_staff
+  FOR SELECT
+  TO authenticated
+  USING (
+    deleted_at IS NULL
+    AND EXISTS (
+      SELECT 1
+      FROM public.ak_users u
+      WHERE u.id = ml_delivery_staff.uid
+        AND u.auth_id = auth.uid()
+    )
+  );
+
+DROP POLICY IF EXISTS delivery_stations_select_active ON public.ml_delivery_stations;
+CREATE POLICY delivery_stations_select_active
+  ON public.ml_delivery_stations
+  FOR SELECT
+  TO anon, authenticated
+  USING (status = 1 AND deleted_at IS NULL);
+
+COMMENT ON COLUMN public.ml_delivery_staff.station_id IS '所属机构/服务站点 ID';
+COMMENT ON COLUMN public.ml_delivery_staff.staff_no IS '服务人员编号';
+COMMENT ON COLUMN public.ml_delivery_staff.online_status IS '在线状态：online/resting/busy';
+COMMENT ON COLUMN public.ml_delivery_staff.certificate_status IS '资质状态：valid/expired/pending';
+COMMENT ON COLUMN public.ml_delivery_staff.certificate_expire_at IS '主要资质到期日期';
+COMMENT ON COLUMN public.ml_delivery_staff.service_area IS '服务区域描述';
+COMMENT ON COLUMN public.ml_delivery_staff.skills IS '技能标签 JSON 数组';
+COMMENT ON COLUMN public.ml_delivery_staff.deleted_at IS '软删除时间';
+COMMENT ON COLUMN public.ml_delivery_staff.deleted_by IS '软删除操作人';
+COMMENT ON COLUMN public.ml_delivery_stations.deleted_at IS '软删除时间';
+COMMENT ON COLUMN public.ml_delivery_stations.deleted_by IS '软删除操作人';
+
+COMMIT;