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/*
* Test that retryable writes executed using or without using internal transactions execute exactly
* once regardless of how they are retried.
*
* @tags: [requires_fcv_52, featureFlagInternalTransactions]
*/
(function() {
"use strict";
load("jstests/sharding/libs/sharded_transactions_helpers.js");
const st = new ShardingTest({shards: 1, rs: {nodes: 2}});
const kDbName = "testDb";
const kCollName = "testColl";
const testDB = st.s.getDB(kDbName);
const testColl = testDB.getCollection(kCollName);
const kTestMode = {
kNonRecovery: 1,
kRestart: 2,
kFailover: 3
};
function setUpTestMode(mode) {
if (mode == kTestMode.kRestart) {
st.rs0.stopSet(null /* signal */, true /*forRestart */);
st.rs0.startSet({restart: true});
const newPrimary = st.rs0.getPrimary();
} else if (mode == kTestMode.kFailover) {
const oldPrimary = st.rs0.getPrimary();
assert.commandWorked(
oldPrimary.adminCommand({replSetStepDown: ReplSetTest.kForeverSecs, force: true}));
assert.commandWorked(oldPrimary.adminCommand({replSetFreeze: 0}));
const newPrimary = st.rs0.getPrimary();
}
}
const sessionUUID = UUID();
const parentLsid = {
id: sessionUUID
};
let currentParentTxnNumber = NumberLong(35);
{
jsTest.log(
"Test that retryable writes executed using internal transactions do not re-execute " +
"when they are retried after they no longer need to be executed using internal transactions");
let runTest = (testMode) => {
const parentTxnNumber = NumberLong(currentParentTxnNumber++);
const stmtId1 = NumberInt(1);
const stmtId2 = NumberInt(2);
assert.commandWorked(testColl.insert([{x: 1, y: 0}, {x: 2, y: 0}]));
const childLsid1 = {id: parentLsid.id, txnNumber: parentTxnNumber, txnUUID: UUID()};
const childTxnNumber1 = NumberLong(0);
jsTest.log(`Running an update inside a retryable internal transaction with lsid ${
tojson(childLsid1)}`);
assert.commandWorked(testDB.runCommand({
update: kCollName,
updates: [{q: {x: 1}, u: {$inc: {y: 1}}}],
lsid: childLsid1,
txnNumber: childTxnNumber1,
startTransaction: true,
autocommit: false,
stmtId: stmtId1,
}));
assert.commandWorked(
testDB.adminCommand(makeCommitTransactionCmdObj(childLsid1, childTxnNumber1)));
assert.eq(testColl.find({x: 1, y: 1}).itcount(), 1);
const childLsid2 = {id: parentLsid.id, txnNumber: parentTxnNumber, txnUUID: UUID()};
const childTxnNumber2 = NumberLong(0);
jsTest.log(`Running an update inside a retryable internal transaction with lsid ${
tojson(childLsid2)}`);
assert.commandWorked(testDB.runCommand({
update: kCollName,
updates: [{q: {x: 2}, u: {$inc: {y: 1}}}],
lsid: childLsid2,
txnNumber: childTxnNumber2,
startTransaction: true,
autocommit: false,
stmtId: stmtId2,
}));
assert.commandWorked(
testDB.adminCommand(makeCommitTransactionCmdObj(childLsid2, childTxnNumber2)));
assert.eq(testColl.find({x: 2, y: 1}).itcount(), 1);
setUpTestMode(testMode);
jsTest.log(`Retrying both updates as retryable writes with lsid ${tojson(parentLsid)}`);
const retryRes = assert.commandWorked(testDB.runCommand({
update: kCollName,
updates: [{q: {x: 1}, u: {$inc: {y: 1}}}, {q: {x: 2}, u: {$inc: {y: 1}}}],
lsid: parentLsid,
txnNumber: parentTxnNumber,
stmtIds: [stmtId1, stmtId2]
}));
assert.eq(retryRes.n, 2);
assert.eq(testColl.find({x: 1, y: 1}).itcount(), 1);
assert.eq(testColl.find({x: 2, y: 1}).itcount(), 1);
assert.commandWorked(testColl.remove({}));
};
for (let modeName in kTestMode) {
jsTest.log("Testing retry with testMode " + modeName);
runTest(kTestMode[modeName]);
}
}
{
jsTest.log(
"Test that retryable writes executed using internal transactions do not re-execute " +
"when they are retried in internal transactions with lsids with different 'txnUUID'");
let runTest = (testMode) => {
const parentTxnNumber = NumberLong(currentParentTxnNumber++);
const stmtId = NumberInt(1);
assert.commandWorked(testColl.insert([{x: 1, y: 0}]));
const childLsid1 = {id: parentLsid.id, txnNumber: parentTxnNumber, txnUUID: UUID()};
const childTxnNumber1 = NumberLong(0);
jsTest.log(`Running an update in a retryable internal transaction with lsid ${
tojson(childLsid1)}`);
assert.commandWorked(testDB.runCommand({
update: kCollName,
updates: [{q: {x: 1}, u: {$inc: {y: 1}}}],
lsid: childLsid1,
txnNumber: childTxnNumber1,
startTransaction: true,
autocommit: false,
stmtId: stmtId,
}));
assert.commandWorked(
testDB.adminCommand(makeCommitTransactionCmdObj(childLsid1, childTxnNumber1)));
assert.eq(testColl.find({x: 1, y: 1}).itcount(), 1);
setUpTestMode(testMode);
const childLsid2 = {id: parentLsid.id, txnNumber: parentTxnNumber, txnUUID: UUID()};
const childTxnNumber2 = NumberLong(0);
jsTest.log(`Retrying the update in a retryable internal transaction with lsid ${
tojson(childLsid2)}`);
const retryRes = assert.commandWorked(testDB.runCommand({
update: kCollName,
updates: [{q: {x: 1}, u: {$inc: {y: 1}}}],
lsid: childLsid2,
txnNumber: childTxnNumber2,
startTransaction: true,
autocommit: false,
stmtId: stmtId,
}));
assert.commandWorked(
testDB.adminCommand(makeCommitTransactionCmdObj(childLsid2, childTxnNumber2)));
assert.eq(retryRes.n, 1);
assert.eq(testColl.find({x: 1, y: 1}).itcount(), 1);
assert.commandWorked(testColl.remove({}));
};
for (let modeName in kTestMode) {
jsTest.log("Testing retry with testMode " + modeName);
runTest(kTestMode[modeName]);
}
}
{
jsTest.log("Test that retryable writes executed without using internal transactions do not " +
"re-execute when they are retried while they need to be executed using internal " +
"transactions");
let runTest = (testMode) => {
const parentTxnNumber = NumberLong(currentParentTxnNumber++);
const stmtId1 = NumberInt(1);
const stmtId2 = NumberInt(2);
assert.commandWorked(testColl.insert([{x: 1, y: 0}, {x: 2, y: 0}]));
jsTest.log(`Running updates as retryable writes with lsid ${tojson(parentLsid)}`);
assert.commandWorked(testDB.runCommand({
update: kCollName,
updates: [{q: {x: 1}, u: {$inc: {y: 1}}}, {q: {x: 2}, u: {$inc: {y: 1}}}],
lsid: parentLsid,
txnNumber: parentTxnNumber,
stmtIds: [stmtId1, stmtId2]
}));
assert.eq(testColl.find({x: 1, y: 1}).itcount(), 1);
assert.eq(testColl.find({x: 2, y: 1}).itcount(), 1);
setUpTestMode(testMode);
const childLsid1 = {id: parentLsid.id, txnNumber: parentTxnNumber, txnUUID: UUID()};
const childTxnNumber1 = NumberLong(0);
jsTest.log(`Retrying one of the updates in a retryable internal transaction with lsid ${
tojson(childLsid1)}`);
const retryRes1 = assert.commandWorked(testDB.runCommand({
update: kCollName,
updates: [{q: {x: 1}, u: {$inc: {y: 1}}}],
lsid: childLsid1,
txnNumber: childTxnNumber1,
startTransaction: true,
autocommit: false,
stmtId: stmtId1,
}));
assert.commandWorked(
testDB.adminCommand(makeCommitTransactionCmdObj(childLsid1, childTxnNumber1)));
assert.eq(retryRes1.n, 1);
assert.eq(testColl.find({x: 1, y: 1}).itcount(), 1);
const childLsid2 = {id: parentLsid.id, txnNumber: parentTxnNumber, txnUUID: UUID()};
const childTxnNumber2 = NumberLong(0);
jsTest.log(`Retrying one of the updates in a retryable internal transaction with lsid ${
tojson(childLsid2)}`);
const retryRes2 = assert.commandWorked(testDB.runCommand({
update: kCollName,
updates: [{q: {x: 2}, u: {$inc: {y: 1}}}],
lsid: childLsid2,
txnNumber: childTxnNumber2,
startTransaction: true,
autocommit: false,
stmtId: stmtId2,
}));
assert.commandWorked(
testDB.adminCommand(makeCommitTransactionCmdObj(childLsid2, childTxnNumber2)));
assert.eq(retryRes2.n, 1);
assert.eq(testColl.find({x: 2, y: 1}).itcount(), 1);
assert.commandWorked(testColl.remove({}));
};
for (let modeName in kTestMode) {
jsTest.log("Testing retry with testMode " + modeName);
runTest(kTestMode[modeName]);
}
}
st.stop();
})();
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