[jira] [Updated] (HIVE-15518) Refactoring rows and range related classes to put the window type on WindowFrame

["Aihua Xu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-15518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aihua Xu updated HIVE-15518:
----------------------------
    Summary: Refactoring rows and range related classes to put the window type on WindowFrame  (was: Update the comment to match what it's doing in WindowSpec)

> Refactoring rows and range related classes to put the window type on WindowFrame
> --------------------------------------------------------------------------------
>
>                 Key: HIVE-15518
>                 URL: https://issues.apache.org/jira/browse/HIVE-15518
>             Project: Hive
>          Issue Type: Bug
>          Components: PTF-Windowing
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>            Priority: Trivial
>
> {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}
> The comments in WindowSpec above doesn't really match what it's claimed to do. Correct the comment to reduce the confusion.



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