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https://issues.apache.org/jira/browse/CALCITE-3501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rui Wang resolved CALCITE-3501.
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Fix Version/s: 1.22.0
Resolution: Fixed
> Improve EnumerableTableFunctionScan's implement() for table value function
> windowing
> ------------------------------------------------------------------------------------
>
> Key: CALCITE-3501
> URL: https://issues.apache.org/jira/browse/CALCITE-3501
> Project: Calcite
> Issue Type: Sub-task
> Reporter: Rui Wang
> Assignee: Rui Wang
> Priority: Major
> Fix For: 1.22.0
>
>
> In order to support table value function windowing,
> EnumerableTableFunctionScan's implement() should have an implementation which
> generates code that iterates input, calls the RexCall and generates output
> (can refer to the implementation of EnumerableCalc).
> For example, assume the input of table function is:
> col1 timestamp, col2 int, col3 char
> enumerable table function scan should emit
> col1 timestamp, col2 int, col3 char, wstart timestamp, wend timestamp
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