问题
I have a sample document which has nested arrays like below. {
"locations" : [
{
"appointments" : [
{
"apptId" : "3456",
"status" : ""
},
{
"apptId" : "12345",
"status" : ""
}
]
},
{
"appointments" : [
{
"apptId" : "12345",
"status" : ""
},
{
"apptId" : "3456",
"status" : ""
}
]
}
]
}
I would like to update only that sub document in the nested array that that satisfies my criteria.
I have tried using the below query but I am not able to update a particular document which can be at any index in the nested array. Its giving me undesired results.
Query query = new Query(); query.addCriteria(Criteria.where("locations.appointments.apptId").is(apptId));
Update update = new Update();
update.set("locations.$[].appointments.$.status", "cancelled");
WriteResult wrote = mongoTemplate.updateMulti(query, update, Schema.class, collectionName);
My expected result is to update the status of the 2nd appointment in the first location and 1st appointment in the 2nd location(i.e. criteria matching apptId = 12345) to "cancelled". I tried using update.set("locations.$[].appointments.$.status", "cancelled"); and update.set("locations.$[].appointments.$[].status", "cancelled");, it just doesn't give me desired result.
Please help me out with this one. My MongoDB version is 3.6.10. Thanks!
来源：https://stackoverflow.com/questions/55538002/update-only-specific-sub-document-deep-in-nested-array-of-array-of-documents