> I came across a problem where one of > my column is multivalued. eg: value can > be (11,22) (11,33) (11,55) , (22,44) , (22,99) > > I want to perform a grouping operation that will yield: > > * 11 : count 3 > * 22 : count 3 > * 33 : 1 > * 44 : 1 > * 55 : 1 > * 99 : 1
According to wiki, "Support for grouping on a multi-valued field has not yet been implemented." http://wiki.apache.org/solr/FieldCollapsing#Known_Limitations