Tag: aggregation

New Querying Features in Couchbase Server 5.5
New Querying Features in Couchbase Server 5.5

New querying features figure prominently in the latest release of Couchbase Server. ANSI JOINs, HASH joins, aggregate pushdowns are covered in this post.

Aggregate grouping with N1QL / MapReduce
Aggregate grouping with N1QL / MapReduce

Aggregate grouping (similar to GROUP_CONCAT) can be done in Couchbase Server with N1QL's ARRAY_AGG or with a MapReduce View.