I am sorry for double post.

On Jan 14, 1:47 pm, Luan <[email protected]> wrote:
> Hi All,
>
> Here is an example from the doc:
>
> items.filter(:category => 'ruby').sql
>   #=> "SELECT * FROM items WHERE (category = 'ruby')"
>
> What if I don't know my column name until at runtime.
> How would I replace :category by a dynamic column. For example:
> like :name or :email
>
> I understand that I can use custom string. I wonder if there's a way
> to do dynamic with hash value.
>
> Thanks,
> Luan

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