YII Framework框架使用YIIC快速创建YII应用之migrate用法实例详解

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            本文实例讲述了YII Framework框架使用YIIC快速创建YII应用之migrate用法。分享给大家供大家参考，具体如下：
yii migrate
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/*
/www/yii_dev/yii/framework# php yiic migrate help
Error: Unknown action: help
USAGE
yiic migrate [action] [parameter]
DESCRIPTION
This command provides support for database migrations. The optional
'action' parameter specifies which specific migration task to perform.
It can take these values: up, down, to, create, history, new, mark.
If the 'action' parameter is not given, it defaults to 'up'.
Each action takes different parameters. Their usage can be found in
the following examples.
EXAMPLES
* yiic migrate
Applies ALL new migrations. This is equivalent to 'yiic migrate to'.
* yiic migrate create create_user_table
Creates a new migration named 'create_user_table'.
* yiic migrate up 3
Applies the next 3 new migrations.
* yiic migrate down
Reverts the last applied migration.
* yiic migrate down 3
Reverts the last 3 applied migrations.
* yiic migrate to 101129_185401
Migrates up or down to version 101129_185401.
* yiic migrate mark 101129_185401
Modifies the migration history up or down to version 101129_185401.
No actual migration will be performed.
* yiic migrate history
Shows all previously applied migration information.
* yiic migrate history 10
Shows the last 10 applied migrations.
* yiic migrate new
Shows all new migrations.
* yiic migrate new 10
Shows the next 10 migrations that have not been applied.
*/