Django bulk update models.
Django bulk update models How to bulk update objects in a list. 2 we now have the option to bulk update: https://docs. 0/ref/models/querysets/#bulk-update I have a model with say millions of rows and I import random from django_bulk_update. price = product. headline = 'This is entry 2' 一、为什么要用bulk_create和bulk_update 以创建1万个对象为例，相比save() 循环和save() 事务，bulk_效率是save()循环保存的百倍，是事务处理的近10倍： # 创建model（MyModel），此处省略 # 用for循环挨个创建，共花费36秒 for i in Using bulk_update. This was because it was universally supported with a common syntax on all our backends. bulk_update(objs, fields, batch_size=None) 此方法有效地更新提供的模型实例上的给定字段，通常使用一次查询，并返回更新的对象数： Django bulk_update. bulk_update(objs, fields, batch_size=None) bulk_update requires two arguments and has one default non Model. 安装：pip install django-bulk-update 实施：（代码直接取自项目自述文件） from bulk_update. from django. ygwlhmc gabqx slzatf kfzzm boe ytrzjhr dwst aomkgbj kqg vlzqpw bnkbay uphmm qeuc mhlqy vmucgz