> db.test.findAndModify({"query": {"_id":1}, "update": {$set: {"test" : { "te$t" : true }}}, "upsert": true, "new": true});
Tue Dec 06 19:08:10 uncaught exception: findAndModifyFailed failed: "not okForStorage"
> db.test.findAndModify({"query": {"_id":1}, "update": {$set: {"test" : { "te.t" : true }}}, "upsert": true, "new": true});
Tue Dec 06 19:08:15 uncaught exception: findAndModifyFailed failed: "not okForStorage"
> db.test.findAndModify({"query": {"_id":1}, "update": {$set: {"test" : { "test" : true }}}, "upsert": true, "new": true});
{ "_id" : 1, "test" : { "test" : true } }
> db.test.findAndModify({"query": {"_id":1}, "update": {$set: {"test" : { "te$t" : true }}}, "upsert": true, "new": true});
{ "_id" : 1, "test" : { "te$t" : true } }
> db.test.findAndModify({"query": {"_id":1}, "update": {$set: {"test" : { "te.t" : true }}}, "upsert": true, "new": true});
{ "_id" : 1, "test" : { "te.t" : true } }