需要
有一批文献，作者ID（user_id）是多值，传入一批 user_id，每个 user_id 取一篇文献进去。
如上图，想要取 user_id 蕴含 222、444 的文献各一篇。
数据筹备
POST my_index/_bulk{"index":{"_id":1}}{"author_id":[111,222]}{"index":{"_id":2}}{"author_id":[222,333]}{"index":{"_id":3}}{"author_id":[444,555]}查问
terms
- 3 条全中，不合乎需要
GET my_index/_search{ "query": { "constant_score": { "filter": { "terms": { "author_id": [ "222", "444" ] } } } }}bool + should + term
- 3 条全中，不合乎需要
GET my_index/_search{ "query": { "bool": { "should": [ { "term": { "author_id": "222" } }, { "term": { "author_id": "444" } } ], "minimum_should_match": 1 } }}_msearch
- 222、444 各中一条，符合要求
GET my_index/_msearch{"index":"my_index"}{"query":{"constant_score":{"filter":{"term":{"author_id":"222"}}}},"size":1,"terminate_after":1}{"index":"my_index"}{"query":{"constant_score":{"filter":{"term":{"author_id":"444"}}}},"size":1,"terminate_after":1}本文出自 qbit snap