-- ============================================================
-- 报工单实际开始时间补充（仅生产工单）
-- 表：pro_report
-- 逻辑：actual_start_time = plan_start_time +/- 10分钟内随机秒数
-- ============================================================

-- 通过 work_order_entry_id 关联工单，先填 plan_start_time（=工单 process_start_time），
-- 再填 actual_start_time = plan_start_time +/- 10分钟随机秒
UPDATE pro_report pr
INNER JOIN pro_workorder_entry pwe ON pwe.id = pr.work_order_entry_id
INNER JOIN pro_workorder pwo ON pwo.id = pwe.workorder_id
SET
    pr.plan_start_time = pwo.process_start_time,
    pr.actual_start_time = DATE_ADD(
        pwo.process_start_time,
        INTERVAL (FLOOR(RAND() * 1201) - 600) SECOND
    )
WHERE pr.actual_start_time IS NULL
  AND pr.work_order_entry_id IS NOT NULL
  AND pwo.process_start_time IS NOT NULL;

-- ============================================================
-- 验证
-- ============================================================
SELECT
    pr.id,
    pwo.process_start_time AS '工单开始时间',
    pr.plan_start_time AS '计划开始时间',
    pr.actual_start_time AS '实际开始时间',
    TIMESTAMPDIFF(SECOND, pr.plan_start_time, pr.actual_start_time) AS '相差秒数'
FROM pro_report pr
INNER JOIN pro_workorder_entry pwe ON pwe.id = pr.work_order_entry_id
INNER JOIN pro_workorder pwo ON pwo.id = pwe.workorder_id
WHERE pr.actual_start_time IS NOT NULL
ORDER BY pr.id DESC
LIMIT 20;