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Type: Bug
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Resolution: Done
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Priority: Major - P3
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None
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Affects Version/s: 2.6.4, 2.7.1
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Component/s: Write Ops
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Query Optimization
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ALL
It seems that it is possible to update illegal top level fields ($ref, $id, $db). Note that this fails if you use insert, instead of update.
> db.test.drop() true > db.test.update({_id:0}, {_id:0, $ref: "1", $id: 1, $db:"1"}, true) WriteResult({ "nMatched" : 0, "nUpserted" : 1, "nModified" : 0, "_id" : 0 }) > db.test.findOne() { "_id" : 0, "$ref" : "1", "$id" : 1, "$db" : "1" } > db.test.insert({_id: 1, $ref: "1", $id: 1, $db: "1"}) WriteResult({ "nInserted" : 0, "writeError" : { "code" : 2, "errmsg" : "Document can't have $ prefixed field names: $ref" } }) > db.test.find() { "_id" : 0, "$ref" : "1", "$id" : 1, "$db" : "1" } > db.runCommand({buildinfo:1}) { "version" : "2.7.2-pre-", "gitVersion" : "87d09bc9cfe898f093c4d76ca5aad807c2e817e7", "OpenSSLVersion" : "", "sysInfo" : "Linux localhost.localdomain 3.13.10-200.fc20.x86_64 #1 SMP Mon Apr 14 20:34:16 UTC 2014 x86_64 BOOST_LIB_VERSION=1_49", "loaderFlags" : "-fPIC -pthread -Wl,-z,now -rdynamic", "compilerFlags" : "-Wnon-virtual-dtor -Woverloaded-virtual -std=c++11 -fPIC -fno-strict-aliasing -ggdb -pthread -Wall -Wsign-compare -Wno-unknown-pragmas -Winvalid-pch -pipe -Werror -O3 -Wno-unused-local-typedefs -Wno-unused-function -Wno-deprecated-declarations -fno-builtin-memcmp -std=c99", "allocator" : "tcmalloc", "versionArray" : [ 2, 7, 2, -100 ], "javascriptEngine" : "V8", "bits" : 64, "debug" : false, "maxBsonObjectSize" : 16777216, "ok" : 1 } >
- related to
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SERVER-14244 Additional tests for setting fields with $ names
- Closed