[英]Give document fields different priority in ElasticSearch
我有数据:
{"NAME": "BRIDGE CAMBODJA", "NAME": "CAMBRIDGE APARTMENTS", "NAME":"KULAMAN BRIDGE"}
我有以下查询:
'{"query": {"query_string": {"query": "BRIDGE"}'
我想要出现的是:
{"NAME": "BRIDGE CAMBODJA", "NAME": "KULAMAN BRIDGE", "NAME": "CAMBRIDGE APARTMENTS"}
如何修改我的搜索以设置字段排名/优先级?
您可以通过直接在查询中使用boost 参数并查询以BRIDGE
开头、以BRIDGE
结尾或包含BRIDGE
的NAME
来实现所需的结果。
添加一个工作示例
索引映射:
{
"mappings": {
"properties": {
"NAME": {
"type": "keyword"
}
}
}
}
搜索查询:
{
"query": {
"bool": {
"should": [
{
"query_string": {
"default_field": "NAME",
"query": "BRIDGE*",
"boost": 10
}
},
{
"query_string": {
"default_field": "NAME",
"query": "*BRIDGE",
"boost": 5
}
},
{
"query_string": {
"default_field": "NAME",
"query": "*BRIDGE*",
"boost": 1
}
}
]
}
}
}
搜索结果:
"hits": [
{
"_index": "66095448",
"_type": "_doc",
"_id": "1",
"_score": 11.0,
"_source": {
"NAME": "BRIDGE CAMBODJA"
}
},
{
"_index": "66095448",
"_type": "_doc",
"_id": "3",
"_score": 6.0,
"_source": {
"NAME": "KULAMAN BRIDGE"
}
},
{
"_index": "66095448",
"_type": "_doc",
"_id": "2",
"_score": 1.0,
"_source": {
"NAME": "CAMBRIDGE APARTMENTS"
}
}
]
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