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// Tests that updates can't change immutable fields (used in sharded system)
var st = new ShardingTest({shards: 2, mongos: 1, verbose: 0});
st.stopBalancer();
var mongos = st.s;
var config = mongos.getDB("config");
var coll = mongos.getCollection(jsTestName() + ".coll1");
var shard0 = st.shard0;
printjson(config.adminCommand({enableSharding: coll.getDB() + ""}));
st.ensurePrimaryShard(coll.getDB().getName(), 'shard0000');
printjson(config.adminCommand({shardCollection: "" + coll, key: {a: 1}}));
var getDirectShardedConn = function(st, collName) {
var shardConnWithVersion = new Mongo(st.shard0.host);
var configConnStr = st._configDB;
var maxChunk =
st.s0.getCollection("config.chunks").find({ns: collName}).sort({lastmod: -1}).next();
var ssvInitCmd = {
setShardVersion: collName,
authoritative: true,
configdb: configConnStr,
version: maxChunk.lastmod,
shard: 'shard0000',
versionEpoch: maxChunk.lastmodEpoch
};
printjson(ssvInitCmd);
assert.commandWorked(shardConnWithVersion.getDB("admin").runCommand(ssvInitCmd));
return shardConnWithVersion;
};
var shard0Coll = getDirectShardedConn(st, coll.getFullName()).getCollection(coll.getFullName());
// No shard key
shard0Coll.remove({});
assert.writeError(shard0Coll.save({_id: 3}));
// Full shard key in save
assert.writeOK(shard0Coll.save({_id: 1, a: 1}));
// Full shard key on replacement (basically the same as above)
shard0Coll.remove({});
assert.writeOK(shard0Coll.update({_id: 1}, {a: 1}, true));
// Full shard key after $set
shard0Coll.remove({});
assert.writeOK(shard0Coll.update({_id: 1}, {$set: {a: 1}}, true));
// Update existing doc (replacement), same shard key value
assert.writeOK(shard0Coll.update({_id: 1}, {a: 1}));
// Update existing doc ($set), same shard key value
assert.writeOK(shard0Coll.update({_id: 1}, {$set: {a: 1}}));
// Error due to mutating the shard key (replacement)
assert.writeError(shard0Coll.update({_id: 1}, {b: 1}));
// Error due to mutating the shard key ($set)
assert.writeError(shard0Coll.update({_id: 1}, {$unset: {a: 1}}));
// Error due to removing all the embedded fields.
shard0Coll.remove({});
assert.writeOK(shard0Coll.save({_id: 2, a: {c: 1, b: 1}}));
assert.writeError(shard0Coll.update({}, {$unset: {"a.c": 1}}));
assert.writeError(shard0Coll.update({}, {$unset: {"a.b": 1, "a.c": 1}}));
jsTest.log("DONE!"); // distinguishes shutdown failures
st.stop();
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