[teiid-issues] [JBoss JIRA] (TEIID-4623) Add support for analytic function "Lead" and "Lag" with GreenPlum Translator

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-4623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-4623.
-----------------------------------
    Resolution: Done


After more investigation the issue is that greenplum is/was based upon postgresql 8.2, but added extensions for window functions at least as far back as greenplum 4.1.  

With the pg driver a greenplum server will advertise itself as 8.2, thus our version check for 8.4 caused analytical functions to not pushdown.  Now we'll return true for elementary oldap support for greenplum.

> Add support for analytic  function "Lead" and "Lag" with GreenPlum Translator
> -----------------------------------------------------------------------------
>
>                 Key: TEIID-4623
>                 URL: https://issues.jboss.org/browse/TEIID-4623
>             Project: Teiid
>          Issue Type: Bug
>          Components: Connector API
>    Affects Versions: 8.7
>            Reporter: Anu Saji
>            Assignee: Steven Hawkins
>             Fix For: 9.2
>
>         Attachments: MyVDBModel(1).zip
>
>
> Request for adding support for analytical  functions  Lead and Lag to  GreenPlum translator out of box



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