不爲也 比不能也

Queries can become quite complex and, especially when combined with different analyzers and field mappings, can become a bit difficult to follow. The validate-query API can be used to check whether a query is valid.query는 꽤 복잡해질 수 있고, 특히 다른 analyzer와 field mapping이 조합되었을 경우, 따라 가기가 약간 어려워질 수 있다. validate-query API는 query가 유효한가를 확인하는데 사용된다.GET /gb/tweet/_validate/query { "query": { "tweet" : { "m..

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 ..