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使用方法
- Nested inner hitsedit
创建索引及映射
PUT test
{
"mappings": {
"_doc": {
"properties": {
"comments": {
"type": "nested"
}
}
}
}
}
创建文档
PUT test/_doc/1
{
"title": "Test title",
"comments": [
{
"author": "kimchy",
"number": 1,
"like": "dog"
},
{
"author": "nik9000",
"number": 2,
"like": "dog"
},
{
"author": "tom",
"number": 4,
"like": "cat"
},
{
"author": "nik900",
"number": 2,
"like": "dog"
}
]
}
检索
POST test/_search
{
"query": {
"nested": {
"path": "comments",
"query": {
"match": {"comments.number" : 2}
},
"inner_hits": {}
}
}
}
- 结果
{
{
"took": 13,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 1,
"max_score": 0.24116206,
"hits": [
{
"_index": "test_index",
"_type": "_doc",
"_id": "1",
"_score": 0.24116206,
"_source": {
"title": "Test title",
"comments": [
{
"author": "kimchy",
"number": 1,
"like": "dog"
},
{
"author": "nik9000",
"number": 2,
"like": "dog"
},
{
"author": "tom",
"number": 4,
"like": "cat"
},
{
"author": "nik900",
"number": 2,
"like": "dog"
}
]
},
"inner_hits": {
"comments": {
"hits": {
"total": 3,
"max_score": 0.24116206,
"hits": [
{
"_index": "test_index",
"_type": "_doc",
"_id": "1",
"_nested": {
"field": "comments",
"offset": 5
},
"_score": 0.24116206,
"_source": {
"author": "kimchy",
"number": 1,
"like": "dog"
}
},
{
"_index": "test_index",
"_type": "_doc",
"_id": "1",
"_nested": {
"field": "comments",
"offset": 4
},
"_score": 0.24116206,
"_source": {
"author": "nik9000",
"number": 2,
"like": "dog"
}
},
{
"_index": "test_index",
"_type": "_doc",
"_id": "1",
"_nested": {
"field": "comments",
"offset": 3
},
"_score": 0.24116206,
"_source": {
"author": "nik900",
"number": 2,
"like": "dog"
}
}
]
}
}
}
}
]
}
}
选项说明：
-
from
The offset from where the first hit to fetch for each inner_hits in the returned regular search hits. -
size
The maximum number of hits to return per inner_hits. By default the top three matching hits are returned. -
sort
How the inner hits should be sorted per inner_hits. By default the hits are sorted by the score.