Give blank entries some value that will never appear otherwise and search on it, that's the easiest solution
On Thu, Jun 14, 2012 at 10:20 PM, Trevor Watson <twat...@datassimilate.com>wrote: > I was wondering if there is a way to search for a field being blank. > > We keep track of file extensions in our software and would like to do a > search for files that don't have an extension. > > We could do a search for all documents (we keep a "Generic all field" with > "SelectAll" as the only Term) and then exclude * from the fileExtension > field, but that could result in a ridiculous number of extensions that have > to be run as "excluded". > > Is there a way to search for field = blank? > > Thanks in advance. > > Trevor > >
