嵌套文档存储在索引中的不同文档中,因此您不能通过父文档中的doc值来访问它们。您需要使用源文档并导航至
topics.weight属性,如下所示:
孤立无痛:
int score = 0; for(int i = 0; i < params._source['topics'].size(); i++) { score += params._source['topics'][i].weight; }return score;
完整查询:
{ "query": { "function_score": { "query": { "term": { "title": "Book 1" } }, "script_score": { "script": { "lang": "painless", "inline": "int score = 0; for(int i = 0; i < params._source['topics'].size(); i++) { score += params._source['topics'][i].weight; } return score;", "params": { "default_return_value": 100 } } } } }}
PS:还请注意,该类型
int不存在,它是
integer
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