Questions tagged [mongodb-3.6.4]
5 questions
1
vote
1 answer
Find keys with value in another collection
We have a request collection ,with example documents as below:
{
"_id" : ObjectId("xxxxxx"),
"requestId" : "REQ4",
"scrip" : "5647"
}
{
"_id" : ObjectId("xxxxxx"),
"requestId" : "REQ4",
"scrip" : "5648"
}
{
"_id" :…
IUnknown
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0
votes
1 answer
Aggregate pipeline involving $in
We have a shop collection:
{
"_id" : ObjectId("xxxxxx"),
"shop" : "Q4",
"batch" : "5647",
}
{
"_id" : ObjectId("xxxxxx"),
"shop" : "Q4",
"batch" : "2314",
}
First step of aggregation…
IUnknown
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0
votes
1 answer
push on condition into array
We need to push/addtoset only if the key in the document ne []
How do we achieve this
{
"_id" : ObjectId("xxxxxx"),
"shop" : "REQ4",
"bolt" : "5647",
"nut" : "1111",
}
{
"_id" : ObjectId("xxxxxx"),
"shop" : "REQ4",
…
IUnknown
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0
votes
0 answers
How to execute javascript function in 3.6.4 vs 2.4 Mongo server [system.js]
Currently in 2.4 MongoDB. If we create functions in MongoDB Server it can be tested well in the below way but facing error with 3.6.4
MONGO 2.4
$mongo emgda
>db.system.js.save({
... "_id" : "getX",
... "value" : "function(obj) { return 'Hey I…
Ankur Soni
- 5,725
- 5
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- 81
-1
votes
1 answer
Filter keys not in collection
How do we find keys which do not exist in collection.
Given an input list of keys ['3321', '2121', '5647'] , i want to return those that do not exist in the collection :
{ "_id" : { "$oid" : "5e2993b61886a22f400ea319" }, "scrip" : "5647" }
{ "_id" :…
IUnknown
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