Dennis Gove created SOLR-8268:
---------------------------------

             Summary: Makes StatsStream implement Expressible interface
                 Key: SOLR-8268
                 URL: https://issues.apache.org/jira/browse/SOLR-8268
             Project: Solr
          Issue Type: Improvement
          Components: SolrJ
    Affects Versions: Trunk
            Reporter: Dennis Gove
            Priority: Trivial
             Fix For: Trunk


Adds expression support to the Stats stream. With this it will now be possible 
to express an stats stream as

{code}
stats(
  collection1, q=*:*, fl="fieldA,fieldB,fieldInt,fieldFloat",
  sum(fieldInt), 
  sum(fieldFloat), 
  min(fieldInt), 
  min(fieldFloat), 
  max(fieldInt), 
  max(fieldFloat), 
  avg(fieldInt), 
  avg(fieldFloat), 
  count(*)
)
{code}

You can collect stats on any supported metric and use full metric features. Ie, 
when SOLR-8185 is committed you can then include operations in the metrics.



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