elasticsearch依据字段长度过滤

查询title字段的长度小于9的文档

GET /nm*/_search{  "query": {    "filtered": {      "query": {          "match": {              "title": {                  "query": "黄晓明和杨颖结婚",                  "operator": "and",                  "minimum_should_match": "90%"              }          }              },      "filter": {        "script" : {            "script" : "doc['title'].size() < 9"        }      }    }  }}