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The "FunctionQuery" page has been changed by GrantIngersoll. http://wiki.apache.org/solr/FunctionQuery?action=diff&rev1=50&rev2=51 -------------------------------------------------- http://localhost:8983/solr/select/?q=boxname:findbox+_val_:"div(weight,product(product(x,y),z))"&fl=boxname,x,y,z,weight,score }}} + = Single Valued vs. Multi Valued Functions = + + <!> WARNING: Expert <!> + + Until [[Solr1.5]], all functions were single valued. Since [[Solr1.5]], it is now possible to write multivalued functions by overriding the appropriate !DocValues methods (the ones that take in an array of the appropriate type, i.e. doubleVal(int doc, double[] vals). This is often useful when working with [[http://wiki.apache.org/solr/SchemaXml#Poly_Field_Types|Poly Fields]]. Note, however, that these multivalued functions must be aggregated up into a single value function, as the !FunctionQuery itself does not support them. + + See https://issues.apache.org/jira/browse/SOLR-1131 +
