我有包含嵌套数组的集合。我需要根据以下条件获取数据:
empId : 19107
address.country: "AUS"
group.primaryGroup.primary:"Y"
group.subGroup.primarySubGroup.primary : "Y"
Input:
{
"empId": "19107",
"address": [
{
"street": "no.12 wilson street",
"country":"AUS"
},
{
"description": "No.32 watson street",
"country":"CAN"
}
],
"mobile": 2387468238,
"group": [
{
"groupId": 75227,
"primaryGroup": [
{
"primary": "Y"
},
{
"primary": "N"
}
],
"subGroup": [
{
"subGroupId": 123,
"primarySubGroup": [
{
"primary": "Y"
},
{
"primary": "N"
}
]
},
{
"subGroupId": 234,
"primarySubGroup": [
{
"primary": "N"
},
{
"primary": "Y"
}
]
}
]
}
]
}
我需要如下输出:
{
"empId": "19107",
"address": [
{
"street": "no.12 wilson street",
"country":"AUS"
}
],
"mobile": 2387468238,
"group": [
{
"groupId": 75227,
"primaryGroup": [
{
"primary": "Y"
}
],
"subGroup": [
{
"subGroupId": 123,
"primarySubGroup": [
{
"primary": "Y"
}
]
},
{
"subGroupId": 234,
"primarySubGroup": [
{
"primary": "Y"
}
]
}
]
}
]
}
下面给出了我尝试过的查询:
[{"$match" : {"empId":90, "address" : {"$elemMatch": {"country": {"$eq":"AUS"}}}, "group" :{"$elemMatch" : {"primaryGroup": {"$elemMatch" : {"primary": {"$eq": "Y"}}}, "subGroup" : {"$elemMatch" : { "primarySubGroup" : { "$elemMatch": {"primary" : {"$eq" : "Y"}}}}}}}}}, {"$project": {"empId":1, "mobile":1, "address": {"$filter" : {"input": "$address", "as": "d", "cond": {"$eq": ["$$d.country", "AUS"]}}} , "group" : {"$map": {"input": "$group", "as" : "v", "in": {"primaryGroup": {"$filter": {"input": "$$v.primaryGroup", "as": "vp", "cond": {"$eq": ["$$vp.primary", "Y"]}}}}}}, "subGroup": {"$map" : {"input": "$group", "as" : "n", "in": {"primarySubGroup" : {"$filter": {"input": "$$n.group", "as" : "mp", "cond": {"$eq": ["$$mp.primarySubGroup.primary", "830090"]}}}}}} }}]
我是 mongoDB 的新手。我尝试了以下方法(Spring数据匹配和过滤嵌套数组)但我在嵌套数组获取中遇到一些问题。
例如:我需要比较组字段中存在的 $map 中的 PrimaryGroup,而不是 groupId。
你能帮我解决这个问题吗?提前致谢。