Aihua Xu created HIVE-15498:
-------------------------------
Summary: sum() over (order by c) should default the windowing spec
to RangeBoundarySpec
Key: HIVE-15498
URL: https://issues.apache.org/jira/browse/HIVE-15498
Project: Hive
Issue Type: Bug
Components: PTF-Windowing
Affects Versions: 2.1.0
Reporter: Aihua Xu
Assignee: Aihua Xu
Currently {{sum() over (partition by a)}} without order by will default
windowing to RangeBoundarySpec while {{sum() over (partition by a order by
c)}} will default to ValueBoundarySpec.
>From the comment
{noformat}
/*
* - A Window Frame that has only the /start/boundary, then it is interpreted
as:
BETWEEN <start boundary> AND CURRENT ROW
* - A Window Specification with an Order Specification and no Window
* Frame is interpreted as:
ROW BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW
* - A Window Specification with no Order and no Window Frame is interpreted
as:
ROW BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
*/
{noformat}
We were trying to set as "row between".
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
