[
https://issues.apache.org/jira/browse/HIVE-20406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gopal V updated HIVE-20406:
---------------------------
Description:
Below query is returning NULL instead of 'TEST'
select coalesce(coalesce(null), 'TEST');
{noformat}
INFO : OK
+-------+
| _c0 |
+-------+
| NULL |
+-------+
{noformat}
was:
Below query is returning NULL instead of 'TEST'
select coalesce(coalesce(null), 'TEST');
INFO : OK
+-------+
| _c0 |
+-------+
| NULL |
+-------+
> Nested Coalesce giving incorrect results
> ----------------------------------------
>
> Key: HIVE-20406
> URL: https://issues.apache.org/jira/browse/HIVE-20406
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 3.0.0
> Reporter: Riju Trivedi
> Priority: Critical
>
> Below query is returning NULL instead of 'TEST'
> select coalesce(coalesce(null), 'TEST');
> {noformat}
> INFO : OK
> +-------+
> | _c0 |
> +-------+
> | NULL |
> +-------+
> {noformat}
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