// {multi: true} upsert requires specifying the full shard key.
// @tags: [assumes_unsharded_collection, requires_multi_updates, requires_non_retryable_writes]

let t = db.server1470;
t.drop();

let q = {"name": "first", "pic": {"$ref": "foo", "$id": ObjectId("4c48d04cd33a5a92628c9af6")}};
t.update(q, {$set: {x: 1}}, true, true);
let ref = t.findOne().pic;
assert.eq("object", typeof (ref));
assert.eq(q.pic["$ref"], ref["$ref"]);
assert.eq(q.pic["$id"], ref["$id"]);

// just make we haven't broken other update operators
t.drop();
t.update({_id: 1, x: {$gt: 5}}, {$set: {y: 1}}, true);
assert.eq({_id: 1, y: 1}, t.findOne());
