假设我想查询所有place_name
在美国的。我的查询或字段应该是什么?
在这里,我粘贴了我的查询,它只给了我第一个索引,但我想获取所有数据。那应该是我的查询。
{
"post_code": 35801,
"country": "United States",
"country_abbreviation": "US",
"places": [
{
"place_name": "Huntsville",
"longitude": -86.5673,
"state": "Alabama",
"state_abbreviation": "AL",
"latitude": 34.7269
},
{
"place_name": "Huntsville12345",
"longitude": -86.5673,
"state": "Alabama",
"state_abbreviation": "AL",
"latitude": 34.7269
}
]
},
目前的查询是
"selector": {
"places.0.place_name": {
"$gte": null
}
},
"fields": [
"_id",
"places.0.place_name"
],
"sort": [
{
"places.0.place_name": "asc"
}
]
}