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/**
* Test that the oplog entries will contain the correct logical session id, transaction number and
* statement id after executing a write command. Also tests that the session table is properly
* updated after the write operations.
*/
(function() {
"use strict";
load("jstests/libs/retryable_writes_util.js");
if (!RetryableWritesUtil.storageEngineSupportsRetryableWrites(jsTest.options().storageEngine)) {
jsTestLog("Retryable writes are not supported, skipping test");
return;
}
const kNodes = 2;
var checkOplog = function(oplog, lsid, uid, txnNum, stmtId, prevTs, prevTerm) {
assert(oplog != null);
assert(oplog.lsid != null);
assert.eq(lsid, oplog.lsid.id);
assert.eq(uid, oplog.lsid.uid);
assert.eq(txnNum, oplog.txnNumber);
assert.eq(stmtId, oplog.stmtId);
var oplogPrevTs = oplog.prevOpTime.ts;
assert.eq(prevTs.getTime(), oplogPrevTs.getTime());
assert.eq(prevTs.getInc(), oplogPrevTs.getInc());
assert.eq(prevTerm, oplog.prevOpTime.t);
};
var checkSessionCatalog = function(conn, sessionId, uid, txnNum, expectedTs, expectedTerm) {
var coll = conn.getDB('config').transactions;
var sessionDoc = coll.findOne({'_id': {id: sessionId, uid: uid}});
assert.eq(txnNum, sessionDoc.txnNum);
var oplogTs = sessionDoc.lastWriteOpTime.ts;
assert.eq(expectedTs.getTime(), oplogTs.getTime());
assert.eq(expectedTs.getInc(), oplogTs.getInc());
assert.eq(expectedTerm, sessionDoc.lastWriteOpTime.t);
};
var runTests = function(mainConn, priConn, secConn) {
var lsid = UUID();
var uid = function() {
var user = mainConn.getDB("admin")
.runCommand({connectionStatus: 1})
.authInfo.authenticatedUsers[0];
if (user) {
return computeSHA256Block(user.user + "@" + user.db);
} else {
return computeSHA256Block("");
}
}();
var txnNumber = NumberLong(34);
var incrementTxnNumber = function() {
txnNumber = NumberLong(txnNumber + 1);
};
////////////////////////////////////////////////////////////////////////
// Test insert command
var cmd = {
insert: 'user',
documents: [{_id: 10}, {_id: 30}],
ordered: false,
lsid: {id: lsid},
txnNumber: txnNumber,
writeConcern: {w: kNodes},
};
assert.commandWorked(mainConn.getDB('test').runCommand(cmd));
var oplog = priConn.getDB('local').oplog.rs;
var firstDoc = oplog.findOne({ns: 'test.user', 'o._id': 10});
checkOplog(firstDoc, lsid, uid, txnNumber, 0, Timestamp(0, 0), -1);
var secondDoc = oplog.findOne({ns: 'test.user', 'o._id': 30});
checkOplog(secondDoc, lsid, uid, txnNumber, 1, firstDoc.ts, firstDoc.t);
checkSessionCatalog(priConn, lsid, uid, txnNumber, secondDoc.ts, secondDoc.t);
checkSessionCatalog(secConn, lsid, uid, txnNumber, secondDoc.ts, secondDoc.t);
////////////////////////////////////////////////////////////////////////
// Test update command
incrementTxnNumber();
cmd = {
update: 'user',
updates: [
{q: {_id: 10}, u: {$set: {x: 1}}}, // in place
{q: {_id: 20}, u: {$set: {y: 1}}, upsert: true},
{q: {_id: 30}, u: {z: 1}} // replacement
],
ordered: false,
lsid: {id: lsid},
txnNumber: txnNumber,
writeConcern: {w: kNodes},
};
assert.commandWorked(mainConn.getDB('test').runCommand(cmd));
firstDoc = oplog.findOne({ns: 'test.user', op: 'u', 'o2._id': 10});
checkOplog(firstDoc, lsid, uid, txnNumber, 0, Timestamp(0, 0), -1);
secondDoc = oplog.findOne({ns: 'test.user', op: 'i', 'o._id': 20});
checkOplog(secondDoc, lsid, uid, txnNumber, 1, firstDoc.ts, firstDoc.t);
var thirdDoc = oplog.findOne({ns: 'test.user', op: 'u', 'o2._id': 30});
checkOplog(thirdDoc, lsid, uid, txnNumber, 2, secondDoc.ts, secondDoc.t);
checkSessionCatalog(priConn, lsid, uid, txnNumber, thirdDoc.ts, thirdDoc.t);
checkSessionCatalog(secConn, lsid, uid, txnNumber, thirdDoc.ts, thirdDoc.t);
////////////////////////////////////////////////////////////////////////
// Test delete command
incrementTxnNumber();
cmd = {
delete: 'user',
deletes: [{q: {_id: 10}, limit: 1}, {q: {_id: 20}, limit: 1}],
ordered: false,
lsid: {id: lsid},
txnNumber: txnNumber,
writeConcern: {w: kNodes},
};
assert.commandWorked(mainConn.getDB('test').runCommand(cmd));
firstDoc = oplog.findOne({ns: 'test.user', op: 'd', 'o._id': 10});
checkOplog(firstDoc, lsid, uid, txnNumber, 0, Timestamp(0, 0), -1);
secondDoc = oplog.findOne({ns: 'test.user', op: 'd', 'o._id': 20});
checkOplog(secondDoc, lsid, uid, txnNumber, 1, firstDoc.ts, firstDoc.t);
checkSessionCatalog(priConn, lsid, uid, txnNumber, secondDoc.ts, secondDoc.t);
checkSessionCatalog(secConn, lsid, uid, txnNumber, secondDoc.ts, secondDoc.t);
////////////////////////////////////////////////////////////////////////
// Test findAndModify command (upsert)
incrementTxnNumber();
cmd = {
findAndModify: 'user',
query: {_id: 40},
update: {$set: {x: 1}},
new: true,
upsert: true,
lsid: {id: lsid},
txnNumber: txnNumber,
writeConcern: {w: kNodes},
};
assert.commandWorked(mainConn.getDB('test').runCommand(cmd));
firstDoc = oplog.findOne({ns: 'test.user', op: 'i', 'o._id': 40});
checkOplog(firstDoc, lsid, uid, txnNumber, 0, Timestamp(0, 0), -1);
assert.eq(null, firstDoc.preImageTs);
assert.eq(null, firstDoc.postImageTs);
checkSessionCatalog(priConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
checkSessionCatalog(secConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
var lastTs = firstDoc.ts;
////////////////////////////////////////////////////////////////////////
// Test findAndModify command (in-place update, return pre-image)
incrementTxnNumber();
cmd = {
findAndModify: 'user',
query: {_id: 40},
update: {$inc: {x: 1}},
new: false,
upsert: false,
lsid: {id: lsid},
txnNumber: txnNumber,
writeConcern: {w: kNodes},
};
var beforeDoc = mainConn.getDB('test').user.findOne({_id: 40});
var res = assert.commandWorked(mainConn.getDB('test').runCommand(cmd));
firstDoc = oplog.findOne({ns: 'test.user', op: 'u', 'o2._id': 40, ts: {$gt: lastTs}});
checkOplog(firstDoc, lsid, uid, txnNumber, 0, Timestamp(0, 0), -1);
assert.eq(null, firstDoc.postImageTs);
var savedDoc = oplog.findOne(
{ns: 'test.user', op: 'n', ts: firstDoc.preImageOpTime.ts, t: firstDoc.preImageOpTime.t});
assert.eq(beforeDoc, savedDoc.o);
checkSessionCatalog(priConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
checkSessionCatalog(secConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
lastTs = firstDoc.ts;
////////////////////////////////////////////////////////////////////////
// Test findAndModify command (in-place update, return post-image)
incrementTxnNumber();
cmd = {
findAndModify: 'user',
query: {_id: 40},
update: {$inc: {x: 1}},
new: true,
upsert: false,
lsid: {id: lsid},
txnNumber: txnNumber,
writeConcern: {w: kNodes},
};
res = assert.commandWorked(mainConn.getDB('test').runCommand(cmd));
var afterDoc = mainConn.getDB('test').user.findOne({_id: 40});
firstDoc = oplog.findOne({ns: 'test.user', op: 'u', 'o2._id': 40, ts: {$gt: lastTs}});
checkOplog(firstDoc, lsid, uid, txnNumber, 0, Timestamp(0, 0), -1);
assert.eq(null, firstDoc.preImageTs);
savedDoc = oplog.findOne(
{ns: 'test.user', op: 'n', ts: firstDoc.postImageOpTime.ts, t: firstDoc.postImageOpTime.t});
assert.eq(afterDoc, savedDoc.o);
checkSessionCatalog(priConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
checkSessionCatalog(secConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
lastTs = firstDoc.ts;
////////////////////////////////////////////////////////////////////////
// Test findAndModify command (replacement update, return pre-image)
incrementTxnNumber();
cmd = {
findAndModify: 'user',
query: {_id: 40},
update: {y: 1},
new: false,
upsert: false,
lsid: {id: lsid},
txnNumber: txnNumber,
writeConcern: {w: kNodes},
};
beforeDoc = mainConn.getDB('test').user.findOne({_id: 40});
res = assert.commandWorked(mainConn.getDB('test').runCommand(cmd));
firstDoc = oplog.findOne({ns: 'test.user', op: 'u', 'o2._id': 40, ts: {$gt: lastTs}});
checkOplog(firstDoc, lsid, uid, txnNumber, 0, Timestamp(0, 0), -1);
assert.eq(null, firstDoc.postImageTs);
savedDoc = oplog.findOne(
{ns: 'test.user', op: 'n', ts: firstDoc.preImageOpTime.ts, t: firstDoc.preImageOpTime.t});
assert.eq(beforeDoc, savedDoc.o);
checkSessionCatalog(priConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
checkSessionCatalog(secConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
lastTs = firstDoc.ts;
////////////////////////////////////////////////////////////////////////
// Test findAndModify command (replacement update, return post-image)
incrementTxnNumber();
cmd = {
findAndModify: 'user',
query: {_id: 40},
update: {z: 1},
new: true,
upsert: false,
lsid: {id: lsid},
txnNumber: txnNumber,
writeConcern: {w: kNodes},
};
res = assert.commandWorked(mainConn.getDB('test').runCommand(cmd));
afterDoc = mainConn.getDB('test').user.findOne({_id: 40});
firstDoc = oplog.findOne({ns: 'test.user', op: 'u', 'o2._id': 40, ts: {$gt: lastTs}});
checkOplog(firstDoc, lsid, uid, txnNumber, 0, Timestamp(0, 0), -1);
assert.eq(null, firstDoc.preImageTs);
savedDoc = oplog.findOne(
{ns: 'test.user', op: 'n', ts: firstDoc.postImageOpTime.ts, t: firstDoc.postImageOpTime.t});
assert.eq(afterDoc, savedDoc.o);
checkSessionCatalog(priConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
checkSessionCatalog(secConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
lastTs = firstDoc.ts;
////////////////////////////////////////////////////////////////////////
// Test findAndModify command (remove, return pre-image)
incrementTxnNumber();
cmd = {
findAndModify: 'user',
query: {_id: 40},
remove: true,
new: false,
lsid: {id: lsid},
txnNumber: txnNumber,
writeConcern: {w: kNodes},
};
beforeDoc = mainConn.getDB('test').user.findOne({_id: 40});
res = assert.commandWorked(mainConn.getDB('test').runCommand(cmd));
firstDoc = oplog.findOne({ns: 'test.user', op: 'd', 'o._id': 40, ts: {$gt: lastTs}});
checkOplog(firstDoc, lsid, uid, txnNumber, 0, Timestamp(0, 0), -1);
assert.eq(null, firstDoc.postImageTs);
savedDoc = oplog.findOne(
{ns: 'test.user', op: 'n', ts: firstDoc.preImageOpTime.ts, t: firstDoc.preImageOpTime.t});
assert.eq(beforeDoc, savedDoc.o);
checkSessionCatalog(priConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
checkSessionCatalog(secConn, lsid, uid, txnNumber, firstDoc.ts, firstDoc.t);
lastTs = firstDoc.ts;
};
var replTest = new ReplSetTest({nodes: kNodes});
replTest.startSet();
replTest.initiate();
var priConn = replTest.getPrimary();
var secConn = replTest.getSecondary();
secConn.setSlaveOk(true);
runTests(priConn, priConn, secConn);
replTest.stopSet();
var st = new ShardingTest({shards: {rs0: {nodes: kNodes}}});
secConn = st.rs0.getSecondary();
secConn.setSlaveOk(true);
runTests(st.s, st.rs0.getPrimary(), secConn);
st.stop();
})();
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