有没有办法删除ID列在随后的Rails 3的ActiveRecord迁移？ [英] Is there a way to remove the id column in a subsequent Rails 3 ActiveRecord migration?

问题描述

在Rails 3中ActiveRecord的CREATE_TABLE是有可能包括选项：ID =>假的。例如

In Rails 3 ActiveRecord create_table is it possible to include the option :id => false. For example

create_table :posts, :id => false do |t|
...
end

但有可能删除：id列上现有的表在随后的向上迁移？

but is it possible to remove the :id column on an existing table in a subsequent up migration?

推荐答案

您应该能够删除该列，就像任何其他的非id列：

You should be able to remove the column just like any other non-id column:

remove_column :posts, :id

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