Below is my attempt to learn and apply functional programming using json mapping as example. Will see how far I can go and accomplish when using functional programming, compare to procedural programming that I familiar with. Transform Flat Json to
Different between Sort and SortByKey
Below example to explain different between sort and sortByKey. Source and target message type: Source data is unsorted col1 and sorted col2. Both col1 and col2 is a pair of values. Target data should be sorted col1, and the col2 is