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From "Hoss Man (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-6663) decide rules & syntax for computing stats/ranges/queries only at certain levels of a pivot
Date Mon, 27 Oct 2014 23:36:33 GMT
Hoss Man created SOLR-6663:
------------------------------

             Summary: decide rules & syntax for computing stats/ranges/queries only at
certain levels of a pivot
                 Key: SOLR-6663
                 URL: https://issues.apache.org/jira/browse/SOLR-6663
             Project: Solr
          Issue Type: Sub-task
            Reporter: Hoss Man


[~smolloy] asked a great question in SOLR-6351...

bq. One more question around this, which applies for SOLR-6353 and SOLR-4212 as well. Should
we have a syntax to apply stats/queries/ranges only at specific levels in the pivot hierarchy?
It would reduce amount of computation and size of response for cases where you only need it
at a specific level (usually last level I guess). 

I'm splitting this off into it's own Sub-task for further discussion.

----

For now, the "stats" localparam must be a single tag, and the "work around" is to add a common
tag to all stats you want to use.

ie, this will cause an error...
{noformat}
stats.field={!tag=tagA}price
stats.field={!tag=tagB}popularity
stats.field={!tag=tagB}clicks
facet.pivot={!stats=tagA,tagB}xxx,yyy,zz
{noformat}

but this will work...
{noformat}
stats.field={!tag=tagA,tagPivot}price
stats.field={!tag=tagB,tagPivot}popularity
stats.field={!tag=tagB,tagPivot}clicks
facet.pivot={!stats=tagPivot}xxx,yyy,zz
{noformat}




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