共计 794 个字符,预计需要花费 2 分钟才能阅读完成。
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
正文完
发表至: elasticsearch
2020-12-13