hi team , i have to compare two rows in talend how can i do this. on the basis of column B if previous row and current row data is same then we need to populate data in column c in incremental way otherwise put it as 0. examples are below.
input are below. B,C 0,0 1,0 1,0 active,0 active,0 active,0 active,0 ready,0 want o/p like this B,C 0,0 1,0 1,1 active,0 active,1 active,2 active,3 ready,0 how can i do this in talend i use tmemorize component but not able to solve pls help me out resolve this issue. thanks in advance