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我已经为管理员创建了 magento 自定义模块。图像字段及其存储图像很好,但是当我编辑此项目并保存时,图像消失了,因为查询正在更新数据库中的所有列。有人可以告诉我如何只更新选定的列?或此问题的任何其他解决方案。请帮助我
谢谢,伊尔凡