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https://issues.apache.org/jira/browse/HIVE-4073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brock Noland updated HIVE-4073:
-------------------------------
Attachment: HIVE-4073-1.patch
[~ashutoshc]
Attached patch seems to work fine but ptf_negative_AggrFuncsWithNoGBYNoPartDef
fails ,due to this change, which needs to be resolved somehow. Quick question
about which direction I should take in implementation:
TL;DR: Should the query "select sum(p_retailprice) as s1 from part;" throw a
SemanticException?
I assumed yes as postgres does not allow it and there is a test for it
ptf_negative_AggrFuncsWithNoGBYNoPartDef. However, it looks like the behavior
of moving aggregates with no group by op to window ops was specifically allowed
based on the two comments below:
https://github.com/apache/hive/blob/ptf-windowing/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java#L858
https://github.com/apache/hive/blob/ptf-windowing/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java#L10561
> Make partition by optional in over clause
> -----------------------------------------
>
> Key: HIVE-4073
> URL: https://issues.apache.org/jira/browse/HIVE-4073
> Project: Hive
> Issue Type: Bug
> Components: PTF-Windowing
> Reporter: Ashutosh Chauhan
> Assignee: Brock Noland
> Attachments: HIVE-4073-0.patch, HIVE-4073-1.patch
>
>
> select s, sum( i ) over() from tt; should work.
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