[jira] [Commented] (HIVE-2794) Aggregations without grouping should return NULL when applied to partitioning column of a partitionless table

["Carl Steinbach (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-2794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204295#comment-13204295 ] 

Carl Steinbach commented on HIVE-2794:
--------------------------------------

"SELECT MAX(p) FROM empty" should return NULL, but instead it returns an empty result set:

{noformat}
hive> CREATE TABLE empty (c INT) PARTITIONED BY (p INT);
hive> SELECT MAX(c) FROM empty;
NULL
hive> SELECT MAX(p) FROM empty;

hive> ALTER TABLE empty ADD PARTITION (p=1);
hive> SELECT MAX(p) FROM empty;
1
hive>
{noformat}
                
> Aggregations without grouping should return NULL when applied to partitioning column of a partitionless table
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-2794
>                 URL: https://issues.apache.org/jira/browse/HIVE-2794
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Carl Steinbach
>


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