1) Class Items with ItemId and Name ready in the database. 2) CSV-file: two columns,
ItemId1,ItemId2001
ItemId1,ItemId2345
ItemId1,ItemId2381
...
ItemId2,ItemId8393
ItemId2,ItemId8743
.. etc.
Question:
How to define a ETL json-file to create Edges between ItemId1 and all the ItemId's in col#2, and between ItemId2 and its col#2-peers.
I tried to reproduce your problem.
I had this Items
and with this code I connected them
and I got
Hope it helps.