There is an undocumented "null" expression which will return the count:
null(expr()) It would of course be good to document this expression. Joel Bernstein http://joelsolr.blogspot.com/ On Tue, Sep 20, 2022 at 10:08 AM Sergio García Maroto <[email protected]> wrote: > Hi, > > I am trying to find a way to get the number of results after running a few > nested streaming expressions. > Similar to the numFound parameter on select numFound":50743918. > > I found stats something similar. Althought this only applies to stream > expressions with queries embedded. > stats(articles, q="CommentTextS:fintech",count(*)) > > Let's say I have an stream expression as bellow. Do I need to retrieve the > full list of PersonIDSDV to count it? > sort( > rollup( > merge( > search(articles, q="CommentTextS:fintech", qt="/export", > fl="PersonIDSDV", sort="PersonIDSDV asc"), > merge( > search(comments, q="CommentTextS:"fintech"", qt="/export", > fl="PersonIDSDV", sort="PersonIDSDV asc"), > search(topics, q="CommnetTextS:fintech", qt="/export", fl="PersonIDSDV", > sort="PersonIDSDV asc"), > on="PersonIDSDV asc"), > on="PersonIDSDV asc"), > over="PersonIDSDV", > count(*) > ), > by="count(*) desc" > ) > > Thanks for the support > Sergio Maroto >
