[HIVE-11892] UDTF run in local fetch task does not return rows forwarded during GenericUDTF.close()

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.0
• Fix Version/s: 1.3.0, 2.0.0
• Component/s: UDF
• Assignee: Jason Dere
• Reporter: Jason Dere
• Created: 18/Sep/15 23:28
• Updated: 28/Apr/16 17:17
• Resolved: 15/Oct/15 18:12

Description

Using the example UDTF GenericUDTFCount2, which is part of hive-contrib:

create temporary function udtfCount2 as 'org.apache.hadoop.hive.contrib.udtf.example.GenericUDTFCount2';

set hive.fetch.task.conversion=minimal;
-- Task created, correct output (2 rows)
select udtfCount2() from src;

set hive.fetch.task.conversion=more;
-- Runs in local task, incorrect output (0 rows)
select udtfCount2() from src;

Issue Links

• relates to: HIVE-13609 Fix UDTFs to allow local fetch task to fetch rows forwarded by GenericUDTF.close()
• relates to: HIVE-13586 Allow UDFs/UDTFs to indicate whether they can run with fetch task conversion