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http://localhost:8080/solr/select?q=(apposta apposta per) OR (sue prime ore al)&group=true&group.field=grouping_field&group.limit=5
This query returns 2 groups first group has 1 document and second group has 2 documents.
In response I see count of documents(3) but there is no counts of groups.
How can I get count of groups.
Use
group.ngroups=trueto include the number of groups in the response.More info @ http://wiki.apache.org/solr/FieldCollapsing
Documentation –
group.ngroups – true/false
If true, includes the number of groups that have matched the query. Default is false.