如何回滚，重置或删除Ecto测试数据库? [英] How to rollback, reset, or drop Ecto test database?
问题描述
通常，mix.test会清除测试数据库，但无法正常工作.
Usually mix.test cleans the test database, but it is not working.
可能是因为我正在尝试制作users模式，但是不想使用我所做的事情，所以我放弃了它.然后，我重新开始，为用户创建了一个与第一个不同的新架构.
It may be because I was playing around with making a users schema, but didn't want to use what I made so I got rid of it. I then started over and made a new schema for users which was different from the first.
当我尝试再次运行混合测试时，出现一个错误，即某些字段不存在，而新模式本应存在该字段.
When I tried to run mix test again, there was an error that some fields did not exist which should have been there with the new schema.
推荐答案
您可以使用MIX_ENV=test，后跟mix do ecto.drop，mix ecto.reset或mix ecto.rollback之类的命令来访问测试数据库.
You can access the test database by using MIX_ENV=test followed by a command such as mix do ecto.drop, mix ecto.reset or mix ecto.rollback.
在这种情况下，我使用了:
In this particular case, I used:
MIX_ENV=test mix ecto.reset
如果您的应用程序具有多个存储库(DB)，则需要指定一个特定的存储库以避免将操作应用于所有存储库.例如
If your application has multiple repos (DBs), you'll want to specify a specific repo to avoid applying the operation to all repos. For example
mix ecto.drop --repo Order.Repo
要了解有关Ecto任务的更多信息，请使用mix help <task>
To find out more about an Ecto task, use mix help <task>
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