[teiid-issues] [JBoss JIRA] (TEIID-5461) Add parsing and push down support for the frame clause

[Steven Hawkins (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-5461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13627234#comment-13627234 ] 

Steven Hawkins commented on TEIID-5461:
---------------------------------------

With this issue I can mark Hive/Impala as having initial support for the window frame clause, but their actual support is more nuanced.  Only aggregates and the first/last_value analytical functions seem to be allowed.  Once we have engine support we'll have to add additional restrictions.

> Add parsing and push down support for the frame clause
> ------------------------------------------------------
>
>                 Key: TEIID-5461
>                 URL: https://issues.jboss.org/browse/TEIID-5461
>             Project: Teiid
>          Issue Type: Sub-task
>          Components: Connector API, Query Engine
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 11.2
>
>
> To make it possible to introduce these changes into older branches, we should first implement the parsing and push down logic - such that engine processing would initially fail.



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