As the mapping type will be removed, so we plan to use the join datatype for parent/child doc, but I don't know which Java api should be used, could someone help provide below function by Java code ? thank you in advance.
PUT my_index { "mappings": { "_doc": { "properties": { "my_join_field": { "type": "join", "relations": { "question": "answer" } } } } } }
PUT my_index/_doc/1?refresh { "text": "This is a question", "my_join_field": { "name": "question" } }
PUT my_index/_doc/3?routing=1&refresh { "text": "This is an answer", "my_join_field": { "name": "answer", "parent": "1" } }