match_all

匹配所有文档，返回的分数自然为1.0

GET /bank/_search
{
  "query": {
    "match_all": {}
  }
}

改变分数

GET /bank/_search
{
  "query": {
    "match_all": {
      "boost": 1.2
    }
  }
}

match_none

不匹配任何文档

GET /bank/_search
{
  "query": {
    "match_none":{}
  }
}