[Zope] sort based on a variable

Chris Beaven chris@d-designz.co.nz
Tue, 18 Mar 2003 10:27:25 +1200


I believe your looking for sort_expr
<dtml-in get_list sort_expr="t_sort_order">

Michael Guerrero wrote:

>I have a table tab1 with 3 columns col1,co2,col3.
> 
>I've defined a sql method 'get_list' as 'select col1,co2,col3 from tab1.
> 
>In a dtml method (view_list)I want call get_list and sort on any of the
>three columns.  I know I can do the following:
> 
><dtml-in get_list sort="col2">
>   display stuff here
></dtml-in>
> 
>I'm passing the sort order column to view_list using -->
>view_list?sort_order=col2
> 
>I get no error but incorrect results when I try to do the following in
>view_list:
><dtml-call "REQUEST.set('t_sort_order',sort_order)">
><dtml-in sql_list_rma sort=t_sort_order>
> 
>I also tried putting various combinations of single and double quotes
>around t_sort_order' without any luck.
> 
>I can display t_sort_order, so I know it's getting the proper value.  It
>just doesn't evaluate correctly.  I think it has something with
>double-quotes needing to surround the sort filename.
> 
>I really don't want to create 3 sql methods
>(get_list_by_col1,get_list_by_col2,get_list_by_col3).
> 
>I'd appreciate any help.
> 
>Thanks.
> 
>Mike Guerrero
>
>.
>
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