comphead opened a new issue, #9055: URL: https://github.com/apache/arrow-datafusion/issues/9055
### Is your feature request related to a problem or challenge? Now DataFusion lacks the IGNORE NULLS support for Window functions ``` DataFusion CLI v35.0.0 ❯ select lag(a) ignore nulls over (order by a) from (select 'a' a union all select 'b' a); This feature is not implemented: Null treatment in aggregate functions is not supported: IGNORE NULLS ``` ### Describe the solution you'd like Add IGNORE NULLS support ### Describe alternatives you've considered _No response_ ### Additional context _No response_ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
