niebayes commented on issue #14770:
URL: https://github.com/apache/datafusion/issues/14770#issuecomment-2668069671
A possible implementation is to design a bunch of fill UDFs, such as
fill_value, fill_prev, fill_linear etc, which act on a column expression in the
select list.
The users c
kosiew opened a new issue, #14770:
URL: https://github.com/apache/datafusion/issues/14770
### Is your feature request related to a problem or challenge?
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