Products Ads Ads Data Hub Reference QueryType Query type. Enums QUERY_TYPE_UNSPECIFIED Query type is unspecified. QUERY_TYPE_AGGREGATION Query that returns aggregated result. QUERY_TYPE_USERLIST Query used to populate Google Ads user lists. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated April 19, 2019.