elasticsearch 上下文

比如我搜star,是指star wars,还是指starbucks

#上下文 contexts
PUT comments
{
  "mappings": {
    "properties": {
     "comment_autocomplete":{
      "type": "completion",
      "contexts":[{
        "type":"category",
        "name":"comment_category"
      }]
    }
    }
  }
}

POST comments/_doc
{
  "comment":"I love the star war movies",
  "comment_autocomplete":{
    "input":["star wars"],
    "contexts":{
      "comment_category":"movies"
    }
  }
}
POST comments/_doc/1
{
  "comment":"Where can I find a Starbucks",
  "comment_autocomplete":{
    "input":["starbucks"],
    "contexts":{
      "comment_category":"coffee"
    }
  }
}

POST comments/_search
{
  "suggest": {
    "MY_SUGGESTION": {
      "prefix": "sta",
      "completion":{
        "field":"comment_autocomplete",
        "contexts":{
          "comment_category":"coffee"
        }
      }
    }
  }
}