elasticsearch 如何作为术语查询的一部分查询对象数组
我正在使用elasticsearch 5.5.0 Im我的索引我有json中的吸引部分类型的数据,如图所示:elasticsearch 如何作为术语查询的一部分查询对象数组,elasticsearch,nest,elasticsearch,Nest,我正在使用elasticsearch 5.5.0 Im我的索引我有json中的吸引部分类型的数据,如图所示: "directions": "Exit the M4 at Junction 1", "phoneNumber": "03333212001", "website": "https://www.londoneye.com/", "postCode": "SE1 7PB", "categories": [ {
"directions": "Exit the M4 at Junction 1",
"phoneNumber": "03333212001",
"website": "https://www.londoneye.com/",
"postCode": "SE1 7PB",
"categories": [
{
"id": "ce4cf4d0-6ddd-49fd-a8fe-3cbf7be9b61d",
"name": "Theater"
},
{
"id": "5fa1a3ce-fd5f-450f-92b7-2be6e3d0df90",
"name": "Family"
},
{
"id": "ed492986-b8a7-43c3-be3d-b17c4055bfa0",
"name": "Outdoors"
}
],
"genres": [],
"featuredImage": "https://www.daysoutguide.co.uk/media/1234/london-eye.jpg",
"images": [],
"region": "London",
var query2 = Query<Attraction>.Bool(
bq => bq.Filter(
fq => fq.Terms(t => t.Field(f => f.Region).Terms(request.Region.ToLower())),
fq => fq.Terms(t => t.Field(f => f.Categories).Terms(request.Category.ToLower())))
{
"query": {
"bool": {
"filter": [
{
"terms": {
"region": [
"london"
]
}
},
{
"terms": {
"categories": [
"family"
]
}
}
]
}
}
}
我的下一个查询如下所示:
"directions": "Exit the M4 at Junction 1",
"phoneNumber": "03333212001",
"website": "https://www.londoneye.com/",
"postCode": "SE1 7PB",
"categories": [
{
"id": "ce4cf4d0-6ddd-49fd-a8fe-3cbf7be9b61d",
"name": "Theater"
},
{
"id": "5fa1a3ce-fd5f-450f-92b7-2be6e3d0df90",
"name": "Family"
},
{
"id": "ed492986-b8a7-43c3-be3d-b17c4055bfa0",
"name": "Outdoors"
}
],
"genres": [],
"featuredImage": "https://www.daysoutguide.co.uk/media/1234/london-eye.jpg",
"images": [],
"region": "London",
var query2 = Query<Attraction>.Bool(
bq => bq.Filter(
fq => fq.Terms(t => t.Field(f => f.Region).Terms(request.Region.ToLower())),
fq => fq.Terms(t => t.Field(f => f.Categories).Terms(request.Category.ToLower())))
{
"query": {
"bool": {
"filter": [
{
"terms": {
"region": [
"london"
]
}
},
{
"terms": {
"categories": [
"family"
]
}
}
]
}
}
}
这不会返回任何结果。如果我去掉分类,我会得到结果。所以我尝试对类别进行术语过滤,类别是一个对象数组。看起来我的查询做错了。有人对如何让它工作有任何提示吗
问候
Ismail您仍然可以通过以下方式使用强类型属性访问:
t.Field(f=>f.Categories.First().Name)
NEST
的属性推断器将读取.First()
并生成类别。name
t.Field(f=>f.Categories[0].Name)
也可以使用。您仍然可以通过以下方式使用强类型属性访问:
t.Field(f=>f.Categories.First().Name)
NEST
的属性推断器将读取.First()
并生成类别。name
t.Field(f=>f.Categories[0].Name)
也可以使用。我想您应该指定字段的完整路径:Categories.Name
。这应该行得通。您应该使用嵌套查询,您将在中找到用法。rob,不确定如何使用嵌套客户端?我知道如何处理这件事DSL@Ismail是的,这是NEST client的示例;)@因此,将(f=>f.Categories)替换为(“Categories.name”)?我想您应该指定字段的完整路径:Categories.name
。这应该行得通。您应该使用嵌套查询,您将在中找到用法。rob,不确定如何使用嵌套客户端?我知道如何处理这件事DSL@Ismail是的,这是NEST client的示例;)@因此,将(f=>f.Categories)替换为(“Categories.name”)??