Merge fields between documents

[RabBit_BR (andre.coelho)]

Hi!

I think you should do this merge on the application side but I send the post below, hope it helps.

Combine multiple document into one document with limited Fields ( merging of documents )

You can use a transform for it. The group_by must be based on a common criteria, e.g. a common id. For the combining step, you can use a scripted metric, e.g.: "all_docs": { "scripted_metric": { "init_script": "state.docs = []", "map_script": "state.docs.add(new HashMap(params['_source']))", "combine_script": "return state.docs", "reduce_script": "def docs = []; for (s in states) {for (d in s) { docs.add(d);}}return docs" } } this would create an array with the original do…