How to replace null values with pervious values in a column?

Requirement: Replace the null values with pervious values




Solution:
1. In tfileinputdelimited we need to take input file and connect it to the tmap .
2. Tmap in Expression builder we have to create a Variable  and write condition like  row1.country.equals("")?Var.temp_var:row1.country .

 Talend job design





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