摘要: from sqlalchemy import literal query = db_session.query(AlarmRule.id, literal('value').label('num')).filter(AlarmRule.id==1).first() query.num u'value 阅读全文
posted @ 2021-04-29 18:16 TasteL 阅读(645) 评论(0) 推荐(0) 编辑