SERGII ROLSKYI

@marevol what do you mean? btw, if I do: `curl -o /tmp/data.csv -XGET "http://localhost:9200/my-index/_data?format=csv&source=%7B%22query%22%3A%7B%22match_all%22%3A%7B%7D%7D%7D"` I don't see any error, then open file data.csv and see: `{"error":{"root_cause":[{"type":"illegal_argument_exception","reason":"No endpoint or operation is...

@marevol thank you for your answer, I installed version 5.2.2 and now it works. Maybe you know how correctly to decode the query? Because if I decode my query, I...

OK, I think **dataformat** don't understand aggregations. I decode my query: `{"size":0,"query":{"bool":{"must":[{"query_string":{"analyze_wildcard":true,"query":"*"}},{"range":{"@timestamp":{"gte":1497538800000,"lte":1500213705347,"format":"epoch_millis"}}}],"must_not":[]}},"_source":{"excludes":[]},"aggs":{"2":{"date_histogram":{"field":"@timestamp","interval":"1h","time_zone":"Japan","min_doc_count":1}}}}` to `%7B%22size%22%3A0%2C%22query%22%3A%7B%22bool%22%3A%7B%22must%22%3A%5B%7B%22query_string%22%3A%7B%22analyze_wildcard%22%3Atrue%2C%22query%22%3A%22*%22%7D%7D%2C%7B%22range%22%3A%7B%22%40timestamp%22%3A%7B%22gte%22%3A1497538800000%2C%22lte%22%3A1500213705347%2C%22format%22%3A%22epoch_millis%22%7D%7D%7D%5D%2C%22must_not%22%3A%5B%5D%7D%7D%2C%22_source%22%3A%7B%22excludes%22%3A%5B%5D%7D%2C%22aggs%22%3A%7B%222%22%3A%7B%22date_histogram%22%3A%7B%22field%22%3A%22%40timestamp%22%2C%22interval%22%3A%221h%22%2C%22time_zone%22%3A%22Europe%22%2C%22min_doc_count%22%3A1%7D%7D%7D%7D` and try get csv: curl -o /tmp/data.csv -XGET "http://localhost:9200/my-index/_data?format=csv&source=%7B%22size%2.....my_decode_query......7D%7D%7D%7D" So, data.csv empty... my query returns json...

Any ideas?