不爲也 比不能也

string fields replaced by text/keyword fieldseditThe string field datatype has been replaced by the text field for full text analyzed content, and the keyword field for not-analyzed exact string values. For backwards compatibility purposes, during the 5.x series:string field datatype이 full text analyzed 내용에 대해서는 text field로, not-analyzed exact string 값에 대해서는 keyword field로 변경되었다. 이전 version과의 호환..

A number of changes have been made to mappings to remove ambiguity and to ensure that conflicting mappings cannot be created.모호함을 제거하고, mapping의 충돌이 일어나지 않도록 하기 위해, mapping에 많은 변경이 있었다.One major change is that dynamically added fields must have their mapping confirmed by the master node before indexing continues. This is to avoid a problem where different shards in the same index dynamically add..