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I am not sure -- it seems like maybe we should have an option in DataFrameWriteOptions that will force an empty file to be written even if there are no rows 🤔
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mmooyyii commentedon Jun 3, 2025
I want to do something like materialized view. I have to deal with this special case if datafusion can't write empty data frame;
alamb commentedon Jun 3, 2025
I am not sure -- it seems like maybe we should have an option in DataFrameWriteOptions that will force an empty file to be written even if there are no rows 🤔
chenkovsky commentedon Jun 4, 2025
take
alamb commentedon Jul 8, 2025
Unfortunately, we had to revert the original fix, see
So I am reopening the ticket to track
vadimpiven commentedon Jul 9, 2025
I can add that for Arrow format the empty DataFrame also does not create a file.
49.0.0
(July 2025) #16235