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How can I fill in empty cells of a column with values of the corresponding rows from another column?

Mattsco
Dataiker
Dataiker
How can I fill in empty cells of a column with values of the corresponding rows from another column?
 
Mattsco
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Mattsco
Dataiker
Dataiker
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In a preparation script, use the processor Formula with the coalesce function : 





 



The function can work with multiple columns: 

coalesce(null, null, "string") -> "string"



Matt



 

Mattsco

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