[go-nuts] How to query mongodb dynamically using Go interface

[afriyie . abraham]

Hi,

I have been trying to create a dynamic mongodb query using golang interface 
but the logical $or does not work.
It only return a documents when the input matches the bson.M{"sNssais.sst": 
args[0].(int32), "sNssais.sd": args[1].(string)}.
other matches like bson.M{"amfInfo.taiList.tac": args}, etc does not work 
even though a document in mongodb collection exist that matches the input 
value.
Any idea as how to do this? The function is as below

func (m *NfInstanceDataAccess) FindIp(preferredNfInstances string, args 
...interface{}) ([]model.NfProfile, bool) {
    var ip []model.NfProfile
    pipeline := bson.M{
        "nfType": preferredNfInstances,
        "$or": []interface{}{
            bson.M{"sNssais.sst": args[0].(int32), "sNssais.sd": 
args[1].(string)},
            bson.M{"amfInfo.taiList.tac": args},
            bson.M{"smfInfo.taiList.tac": args},
            bson.M{"upfInfo.taiList.tac": args},
        },
    }
    filter := bson.M{"ipv4Addresses": true}
    err := db.C(COLLECTION).Find(pipeline).Select(filter).All(&ip)
    if err != nil {
        return ip, false
    }
    return ip, true
}



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