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when inserted item is choosen, there will be a global variale such as(Integer)globalMap.get("tOracleOutput_NB_LINE_INSERTED"))
will be avaible, which counts the total number of records have been inserted into database. The same to updated, deleted items.
If you just want to get inserted and updated rows in processing, the Nb_LINE global variable is enough for you.
The tflowmetercatcher component should catch records processed by each flow.