下面的文档包含双嵌套数组格式。当“somekey”:“somevalue”和“company”:“company1”和“name”:“nandhi”时,我必须将“level”字段更新为“高级工程师”。
文件
{
"_id" : "777",
"someKey" : "someValue",
"someArray" : [
{
"Company" : "Company1",
"someNestedArray" : [
{
"name" : "Nandhi",
"level" : "Junior Engineer"
},
{
"name" : "Rajan",
"level" : "Senio Engineer"
}
]
}],
{
"Company" : "Company2",
"someNestedArray" : [
{
"name" : "Nandhi",
"level" : "Junior Engineer"
},
{
"name" : "Rajan",
"level" : "Senio Engineer"
}
]
}
]
}
更新我尝试的查询
db.Test123.updateOne(
{"someKey" : "someValue","someArray.Company":"Company1"},
{$set:{"someArray.$[someNestedArray].level":"Senior Developer"}},
{arrayFilters:[{"someNestedArray.name":"Nandhi"}]}
);
输出屏幕截图
如您所见,modifiedCount返回0。请给我建议!
最佳答案
您需要为每个嵌套级别定义ArrayFilter,请尝试:
db.Test123.update(
{ "someKey" : "someValue" },
{ "$set": { "someArray.$[someArrayDoc].someNestedArray.$[someNestedArrayDoc].level": "Senior Developer" } },
{ arrayFilters: [ {"someArrayDoc.Company": "Company1"}, { "someNestedArrayDoc.name": "Nandhi" } ] }
)