Pengcheng Xiong created HIVE-12742:
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Summary: NULL table comparison within CASE does not work as
previous hive versions
Key: HIVE-12742
URL: https://issues.apache.org/jira/browse/HIVE-12742
Project: Hive
Issue Type: Bug
Reporter: Pengcheng Xiong
Assignee: Pengcheng Xiong
drop table test_1;
create table test_1 (id int, id2 int);
insert into table test_1 values (123, NULL);
SELECT cast(CASE WHEN id = id2 THEN FALSE ELSE TRUE END AS BOOLEAN) AS b
FROM test_1;
--NULL
But the output should be true (confirmed with postgres.)
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