如何在Ruby on Rails中创建tinyint（2）或tinyint（3）类型的列？

In Ruby on Rails, the following code in a migration creates a column of type tinyint(4) in MySQL:

在Ruby on Rails中,迁移中的以下代码在MySQL中创建了tinyint(4)类型的列:

create_table :great_table do |t|
    t.integer :step_position, :limit => 1 #tinyint
end

How would I create a column of type tinyint(2) or tinyint(3)?

我如何创建tinyint(2)或tinyint(3)类型的列?

4 个解决方案

For tinyint(2)

create_table :great_table do |t|
  t.integer :step_position, :limit => 2
end

For tinyint(3)

create_table :great_table do |t|
  t.integer :step_position, :limit => 3
end