alamb commented on issue #13957:
URL: https://github.com/apache/datafusion/issues/13957#issuecomment-2566710678

   > I have an analytics service and I want to impute dates we no data with 0
   
   This sounds like like 'gapfill' ? 
   https://clickhouse.com/docs/en/guides/developer/time-series-filling-gaps
   
   but your query seems to do something different
   
   Many other databases have some version of this (including InfluxDB). For 
example
   
   
https://docs.timescale.com/use-timescale/latest/hyperfunctions/gapfilling-interpolation/
   
https://docs.timescale.com/api/latest/hyperfunctions/gapfilling/time_bucket_gapfill/
   
   


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