elasticsearch - elasticsearch2.2.0中的局部字段不起作用？

Question

我是否可以知道为什么部分字段在Elasticsearch 2.2.0中不起作用的详细信息，我最近从Elasticsearch 1.7.2升级到了Elasticsearch 2.2.0。在较旧的版本中，它可以工作，但是升级结果没有出现并引发异常。

请找到错误以供引用

{
   "error": {
      "root_cause": [
         {
            "type": "search_parse_exception",
            "reason": "failed to parse search source. unknown search element [partial_fields]",
            "line": 79,
            "col": 4
         }
      ],
      "type": "search_phase_execution_exception",
      "reason": "all shards failed",
      "phase": "query",
      "grouped": true,
      "failed_shards": [
         {
            "shard": 0,
            "index": "candidates1",
            "node": "tlFrZ6JKTOWJ6krrkRnhMw",
            "reason": {
               "type": "search_parse_exception",
               "reason": "failed to parse search source. unknown search element [partial_fields]",
               "line": 79,
               "col": 4
            }
         }
      ]
   },
   "status": 400
}

Answer 1

2.0中的部分字段have been removed，现在您应该改用source filtering。

只需将partial_fields替换为_source，它就可以工作。