Rails - Aug 2006 - Help needed in specifying conditions in pagination

Hi,
In a controller, I add to the default list action a condition, thus:

  def list
    @user_pages, @users = paginate :users,
    :conditions => @query,
    :per_page => 10
  end

and @query is defined somewhere in the controller as

  @query = "user_name like ''%Smith%''"

where user_name is an attribute of User.

Result: The condition pulls out the whole table, not just the users with 
partial name value "Smith".

What''s the correct way of specifying a condition in pagination using a 
variable? (Can''t find an example in the Rails API doc).

Thanks for the help,
gk

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