Some Composer connectors support aggregation by multivalued fields, such as arrays.
Support for this feature by Composer connectors is shown in the following table.
Key:Y - Supported; N - Not Supported; N/A - not applicable
|Apache Phoenix Query Server (QS)||N/A|
|Apache Solr||Y||The Apache Solr JSON API does not support metrics by multivalued fields.
|BigQuery||N/A||If you need to access a BigQuery partition, explicitly include an alias for the built in partition column in your select clause, such as |
|Couchbase||N/A||The Couchbase connector supports multivalued fields with some limitations. See the detailed description in Manage the Couchbase Connector.|
|Microsoft SQL Server||N/A|
|Real Time Sales||N/A|
|File Upload (Upload API)||N/A|