迁移和CodeIgniter

Question

我有一个简单的问题。我想开始使用CodeIgniter迁移。但是我的配置文件夹中没有migrations.php文件，就像它在文档中所说的那样。另外，是否需要在应用程序文件夹级别手动创建迁移文件夹？

Answer 1

奇怪的是，您的application/config/migration.php文件未包含在下载中，但是...即使配置文件不存在，迁移库将（或应该）仍在您的CodeIgniter system/libraries文件夹中。

有三种配置变量作为默认migration.php配置文件的一部分：

/* 
|-------------------------------------------------------------------------- 
| Enable/Disable Migrations 
|-------------------------------------------------------------------------- 
| 
| Migrations are disabled by default but should be enabled 
| whenever you intend to do a schema migration. 
| 
*/ 
$config['migration_enabled'] = FALSE; 


/* 
|-------------------------------------------------------------------------- 
| Migrations version 
|-------------------------------------------------------------------------- 
| 
| This is used to set migration version that the file system should be on. 
| If you run $this->migration->latest() this is the version that schema will 
| be upgraded/downgraded to. 
| 
*/ 
$config['migration_version'] = 0; 


/* 
|-------------------------------------------------------------------------- 
| Migrations Path 
|-------------------------------------------------------------------------- 
| 
| Path to your migrations folder. 
| Typically, it will be within your application path. 
| Also, writing permission is required within the migrations path. 
| 
*/ 
$config['migration_path'] = APPPATH . 'migrations/';