Clever.  Thanks for the help!

Simon

On Jan 13, 2:33 am, Pat Allan <[email protected]> wrote:
> Hi Simon
>
> Sphinx has no concept of searching for empty fields. I think a better option 
> would be to add an attribute indicating whether the specific column is blank:
>
>   has "LENGTH(body) < 0", :as => :empty_body, :type => :boolean
>
> That should work for MySQL - for PostgreSQL, I think the function is 
> char_length.
>
> And then in searches, you can do the following:
>
>   Article.search :with => {:empty_body => true}
>
> Add another attribute for the title as well, and then you can use that filter.
>
> Hope this helps.
>
> --
> Pat
>
> On 11/01/2011, at 1:10 PM, Simon wrote:
>
> > Hi there,
>
> > I am trying to search for empty strings, and am getting back no
> > results.  I am indexing two values, title and body, in my define_index
> > block.  I am then trying to something along the lines of
> > Article.search :conditions => {:body => ""} but I get back no
> > results.  I know there are indexed entries with blank bodies, so I
> > feel I must be missing something here.
>
> > If this is possible and I get it going, I would also like to be able
> > to search for Articles with both blank bodies and titles.  Can I just
> > add both fields into the conditions hash?  Will this get treated as an
> > AND condition?
>
> > Thanks,
>
> > Simon
>
> > --
> > You received this message because you are subscribed to the Google Groups 
> > "Thinking Sphinx" group.
> > To post to this group, send email to [email protected].
> > To unsubscribe from this group, send email to 
> > [email protected].
> > For more options, visit this group 
> > athttp://groups.google.com/group/thinking-sphinx?hl=en.

-- 
You received this message because you are subscribed to the Google Groups 
"Thinking Sphinx" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to 
[email protected].
For more options, visit this group at 
http://groups.google.com/group/thinking-sphinx?hl=en.

Reply via email to