我突然遇到一个奇怪的错误.当我尝试运行rake spec时,我收到:
You have 2 pending migrations:
20130405105004 CreateReports
20130405113839 AddDocumentToReports
我不知道原因(我过去运行迁移所以我在数据库和schema.rb中有数据).
这是rake spec –trace:
** Invoke spec (first_time)
** Invoke test:prepare (first_time)
** Invoke db:test:prepare (first_time)
** Invoke db:abort_if_pending_migrations (first_time)
** Invoke environment (first_time)
** Execute environment
** Execute db:abort_if_pending_migrations
You have 2 pending migrations:
20130405105004 CreateReports
20130405113839 AddDocumentToReports
Run "rake db:migrate" to update your database then try again.
这是rake db:migrate:status:
...
up 20121210112419 Create simple captcha data
up 20130214110545 Add weeknum to alerts
down 20130405105004 Create reports
down 20130405113839 Add document to reports
up 20121018133601 *** NO FILE ***
up 20121018163051 *** NO FILE ***
up 20121024124111 *** NO FILE ***
这里是rake db:migrate
== CreateReports: migrating ==================================================
-- create_table(:reports)
rake aborted!
An error has occurred, all later migrations canceled:
Mysql2::Error: Table 'reports' already exists: CREATE TABLE `reports` (`id` int(11) DEFAULT NULL auto_increment PRIMARY KEY, `user_id` int(11), `ready_status` tinyint(1) DEFAULT 0, `created_at` datetime, `updated_at` datetime) ENGINE=InnoDB
Tasks: TOP => db:migrate
我该如何解决这个问题?
解决方法:
如果这是在开发环境中并且您在数据库中没有重要数据,则运行
bundle exec rake db:migrate:reset
这将重建架构,但代价是核对所有数据.
原文地址:https://codeday.me/bug/20190729/1568117.html
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