I would like to merge them keeping the first value of the other attributes but, the main problem is that the values that repeat "two by two" must be merged in pairs and sometimes the pair of values repeats, so the "group by" solution is not valid, because it would group all the identical pairs into a single value. Advice? I hope I was clear.
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Hi @giuseppecfgeo
If the input data is always paired and already ordered, then I would recommend using the custom transformer GroupCounter (group size: 2) and then a Group By on the output _group attribute.
Oh my god, thank you so much for this answer, that's probably just what I need! Thanks so much!!!😲 💎