-- 市场物料领用记录 · 是否已使用完（盘点登记用）
ALTER TABLE `biz_material_usage`
  ADD COLUMN `requisition_status` varchar(16) NOT NULL DEFAULT 'open'
    COMMENT '领用状态：open-待登记/有剩余 closed-已使用完'
    AFTER `purpose`;

UPDATE `biz_material_usage`
SET `requisition_status` = 'open'
WHERE `source_type` = 'manual_out'
  AND `change_type` = 'use'
  AND (`requisition_status` IS NULL OR `requisition_status` = '');