Hi Ken,
Not collapsing on null field values is not possible in the patch.
However you can if you want to fix this in the patch it is a really
small change. Assuming that you're using the default collapsing
algorithm you can add the following piece of code in the
NonAdjacentDocumentCollapser.java f
I wanted to extend my question some. My original question about collapsing
null fields is still open, but in trying to research elsewhere I see a lot
of angst about the Field Collapse functionality in general. Can anyone
summarize what the current state of affairs is with it? I'm on Solr 1.4,
ju
