Pentaho: data duplicate

Have you experience like this

  1. you get input data from table
  2. you transform the data
  3. you put the output data and the result is duplicate, even when the input data is not duplicate?
  4. Check your query on input, make sure you there only 1 order by, not 2 nor 3. Or you order the data on next step

try it

 

 

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