[ https://issues.apache.org/jira/browse/HIVE-554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paul Yang updated HIVE-554: --------------------------- Attachment: HIVE-554.1.patch * Added UDF's array() and map() along with respective tests * When constructing empty arrays and maps, a string Object Inspector is used in initialization. > Add GenericUDF to create arrays, maps, and structs > -------------------------------------------------- > > Key: HIVE-554 > URL: https://issues.apache.org/jira/browse/HIVE-554 > Project: Hadoop Hive > Issue Type: New Feature > Reporter: Zheng Shao > Assignee: Paul Yang > Attachments: HIVE-554.1.patch > > > Here is an example: > {code} > SELECT array(1,2,3)[3], map("a":1,"b":2,"c":3)["a"], struct(user_id:3, > revenue: sum(rev)) > FROM table > GROUP BY user_id; > {code} > This is relatively easy to do with the GenericUDF framework, and will greatly > increase the flexibility of the language. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.