Resolved! How to get the cartesian product kind of output?
I have an Join(merge) output as below. [ { “BCUNAME”: “1q”, “REQUESTNUM”: “639431”, “no”: “4”, }, { “BCUNAME”: “e4” }, { “BCUNAME”: “rf” }, { “BCUNAME”: “14r” }, { “BCUNAME”: “26t” }, { “BCUNAME”: “3PH” } ] But I want to keep “REQUESTNUM”: “639431”, ...