Hello @arkiboys ,
Thanks for the question and using MS Q&A platform.
As we understand the ask here is why there is a blank record in the paraquet file , please do let us know if its not accurate.
The UPSERT is always set on some key column . I have not seen the data ( which should have been supper helpful) , but i was wondering how is it possible that you have rows which are all blank .
Anyways I think to debug the case , just do the oppsite in the filter , try to how many rows are there with
length(trim(venture_number) = 0
This should help to find the rows like that and then we can think as to what can be done .
Please do let me if you have any queries.
Thanks
Himanshu
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