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https://issues.apache.org/jira/browse/DRILL-1912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Victoria Markman closed DRILL-1912.
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> Throw unsupported error message for window functions
> -----------------------------------------------------
>
> Key: DRILL-1912
> URL: https://issues.apache.org/jira/browse/DRILL-1912
> Project: Apache Drill
> Issue Type: Bug
> Components: SQL Parser
> Affects Versions: 0.8.0
> Reporter: Victoria Markman
> Assignee: Deneche A. Hakim
> Fix For: 0.8.0
>
> Attachments: DRILL-1912.1.patch.txt, DRILL-1912.2.patch.txt
>
>
> Window functions below are currently:
> * Supported in Calcite
> * Not supported in DRILL
> * Not documented in DRILL documentation
> ROW_NUMBER()
> FIRST_VALUE()
> LAST_VALUE()
> PERCENT_RANK()
> DENSE_RANK()
> Spoke to Jacques: Window function implementation is not targeted until after
> 1.0 release. Therefore, for 0.8.0 release we are going to throw "Unsupported"
> error message for these functions as well as for every other function that
> supports OVER clause due to two critical bugs below:
> DRILL-1487 - window functions return wrong result
> DRILL-1908 - new implementation of window functions
> Assigning to Jacques on his request, targeting 0.8.0
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