I generated a pseudo-field by function query like "fl=new_field:sum(a,b)","a,b" are defined numeric fields in manage-schema. I want to know how I can make the pseudo-field or the function expression can be used by facet? I want to use it for bucketing.
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X.joe
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I don't think you can use a pseudo field through the name, but you can use the `sum` function directly in your facet definition as long as you use the JSON Facet API: https://cwiki.apache.org/confluence/display/solr/Faceted+Search - does that work for you? – MatsLindh Feb 06 '17 at 11:44
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Thanks MatsLindh,I know JSON Facet API enable to to compile statistics by "sum,max.."functions,but I want to use the functions like term fields rather than statistics. – X.joe Feb 07 '17 at 03:48