Stathis Fotiadis created HIVE-14206:
---------------------------------------
Summary: CASE boolean output is NULL when SUM predicate returns
NULL
Key: HIVE-14206
URL: https://issues.apache.org/jira/browse/HIVE-14206
Project: Hive
Issue Type: Bug
Reporter: Stathis Fotiadis
Priority: Critical
This query
`
select
case when 1=sum(1) then true else false end) bool_true,
(case when 1=sum(0) then true else false end) bool_false,
(case when 1=(1+null) then true else false end) bool_null,
(case when 1=sum(1+null) then true else false end) bool_null_sum,
(case when 1=sum(1) then 'true' else 'false' end) string_true,
(case when 1=sum(0) then 'true' else 'false' end) string_false,
(case when 1=(1+null) then 'true' else 'false' end) string_null,
(case when 1=sum(1+null) then 'true' else 'false' end) string_null_sum
`
results to
bool_true bool_false bool_null bool_null_sum string_true
string_false string_null string_null_sum
true false false NULL true false false false
First of all the is the inconsistency between (1+null) and SUM(1+null) and
secondly the inconsistency between using boolean and string outpu
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
