不爲也 比不能也

All three of the preceding problems stem from most_fields being field-centric rather than term-centric: it looks for the most matching fields, when really what we’re interested in is the most matching terms.위의 세 가지 문제점 모두는, most_fields 가 단어 중심(term-centric) 이라기 보다는, field 중심(field-centric) 이라는 사실에서 기인한다. 실제로 관심을 가지는 것은 대부분이 일치하는 단어(terms) 인데, 대부분이 일치하는 fields 를 검색한다.The best_fields type is also ..

The custom _all approach is a good solution, as long as you thought about setting it up before you indexed your documents. However, Elasticsearch also provides a search-time solution to the problem: the multi_match query with type cross_fields. The cross_fields type takes a term-centric approach, quite different from the field-centric approach taken by best_fields and most_fields. It treats all ..