[
https://issues.apache.org/jira/browse/DRILL-4936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Serhii Harnyk reassigned DRILL-4936:
------------------------------------
Assignee: Serhii Harnyk
> case expression when true then null, fails
> ------------------------------------------
>
> Key: DRILL-4936
> URL: https://issues.apache.org/jira/browse/DRILL-4936
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Affects Versions: 1.9.0
> Reporter: Khurram Faraaz
> Assignee: Serhii Harnyk
>
> Postgres compile and executes same query and returns null, whereas Drill
> returns error.
> Drill 1.9.0
> git commit id : 4edabe7a
> Drom Drill 1.9.0
> {noformat}
> 0: jdbc:drill:schema=dfs.tmp> select (case when true then null else null end)
> from (values(1));
> Error: VALIDATION ERROR: From line 1, column 9 to line 1, column 46: ELSE
> clause or at least one THEN clause must be non-NULL
> SQL Query null
> [Error Id: 2912d0b5-b947-4cd7-b325-83c809e5ae50 on centos-01.qa.lab:31010]
> (state=,code=0)
> {noformat}
> {noformat}
> 0: jdbc:drill:schema=dfs.tmp> select (case when true then null end) from
> (values(1));
> Error: VALIDATION ERROR: From line 1, column 9 to line 1, column 36: ELSE
> clause or at least one THEN clause must be non-NULL
> SQL Query null
> [Error Id: cdb56929-b175-4474-b8a4-e6eec4d4a28f on centos-01.qa.lab:31010]
> (state=,code=0)
> {noformat}
> from Postgres 9.3
> {noformat}
> postgres=# select (case when true then null else null end) from (values(1))
> foo;
> case
> ------
> (1 row)
> {noformat}
> {noformat}
> postgres=# select (case when true then null end) from (values(1)) foo;
> case
> ------
> (1 row)
> {noformat}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
