Why do you need to redirect at all? You can just call the search_results() 
function directly from the myButton() function:

def search_results(resultSet):
    div = DIV(.....)
    return dict(div=div)

def myButton():
    someId = request.args(0)
    resultSet = db(....)
    return search_results(resultSet)

If the search_results() function is needed in other controllers, you could 
define it in a model file or in a module and import it. Note, functions 
that take arguments (as search_results does above) are not exposed as 
actions accessible via URL -- they are for internal use only (same for a 
function that begins with a double underscore, even if it doesn't take any 
arguments).

Anthony

On Thursday, May 23, 2013 2:51:24 PM UTC-4, brac...@gmail.com wrote:
>
> In my views, I have:
>
> {{=A('click for more information', _href=URL("myCallback", args=[1]))}}
>
>
> When the anchor button is clicked, my callback will do some lookup and 
> processing in the db, and then will redirect to a new page populated with 
> the new information:
>
> def search_results():
>     resultSet = request.args(0)
>     # Build HTML helpers using resultSet
>     div = DIV(.....)
>
>     return dict(div=div)
>
> def myButton():
>      # Figure out the id from the request
>      someId = request.args(0)
>
>      # get some data from db using the id
>      resultSet = db(....)
>
>
>      # want to redirect to another page with the new data in the resultSet
>     redirect(URL('search_results', args=resultSet))
>
> But doing the redirect with the resultSet args will screw up the URL and 
> I'll end up with an invalid request. 
>
> I've thought of two ways around this:
>
> 1) Create a temporary session variable and store the resultSet there. Once 
> I'm done with the data, I'll explicitly clear it.
>
> 2) Instead of doing the database logic in the callback, pass the id to the 
> search_results() and do the database logic there.
>
> I'm hesitant to adopt the first option because it seems messy to create a 
> bunch of session variables for temporary things (unless this is standard 
> practice?).
>
> The second option seems okay, but I'm afraid that the code will become too 
> specific to that particular anchor tag. That is, if I create a new anchor 
> tag to do some other search, the database logic may be different than the 
> one inside the search_results(). For this, I guess the better question 
> should be if the database logic code should live in the callback function 
> or in the target redirect controller function?
>
>
> In spite of this, what would be the clean or proper way of sending data 
> with a redirect from a callback function?
>

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