index
The index option controls whether field values are indexed. It accepts true or false and defaults to true. Fields that are not indexed are not queryable.
index选项控制是否为字段值建立索引。它接受TRUE或FALSE，默认为TRUE。未编制索引的字段不可查询。
1 PUT gg/_doc/_mapping 2 { 3 "properties":{ 4 "employee-id":{ 5 "type":"keyword", 6 "index": false #设置该字段不能被索引 所以该字段的值可以被存储，但是不能被查询 7 } 8 } 9 } 10 11 PUT gg/_doc/12 12 { 13 "employee-id":"gas" 14 } 15 16 GET gg/_search #可以查到该索引下所有的值24 25 26 GET gg/_search #报错 27 { 28 "query": { 29 "match": { 30 "employee-id": "gas" 31 } 32 } 33 }
"type": "illegal_argument_exception",
"reason": "Cannot search on field [employee-id] since it is not indexed."