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/*
* Tests that the client can only retry a transaction that failed with a transient transaction error
* by attaching a higher txnRetryCounter when the FCV is latest.
*
* @tags: [requires_fcv_51, featureFlagInternalTransactions]
*/
(function() {
'use strict';
function runTest(downgradeFCV) {
load("jstests/libs/fail_point_util.js");
const st = new ShardingTest({shards: 1, rs: {nodes: 3}});
const shard0Rst = st.rs0;
const shard0Primary = shard0Rst.getPrimary();
const kDbName = "testDb";
const kCollName = "testColl";
const kNs = kDbName + "." + kCollName;
const testDB = shard0Primary.getDB(kDbName);
const kConfigTxnNs = "config.transactions";
const kOplogNs = "local.oplog.rs";
assert.commandWorked(st.s.adminCommand({setFeatureCompatibilityVersion: downgradeFCV}));
jsTest.log(
"Verify the config.transactions doc does not contain the txnRetryCounter if the FCV is not latest");
const lsid0 = {id: UUID()};
const txnNumber0 = NumberLong(0);
assert.commandWorked(testDB.runCommand({
insert: kCollName,
documents: [{x: 0}],
lsid: lsid0,
txnNumber: txnNumber0,
startTransaction: true,
autocommit: false,
}));
assert.commandWorked(testDB.adminCommand({
commitTransaction: 1,
lsid: lsid0,
txnNumber: txnNumber0,
autocommit: false,
}));
shard0Rst.awaitReplication();
shard0Rst.nodes.forEach(node => {
const txnDoc = node.getCollection(kConfigTxnNs).findOne({"_id.id": lsid0.id});
assert.neq(null, txnDoc);
assert(!txnDoc.hasOwnProperty("txnRetryCounter"), txnDoc);
const oplogEntry = node.getCollection(kOplogNs).findOne({"lsid.id": lsid0.id});
assert.neq(null, oplogEntry);
assert(!oplogEntry.hasOwnProperty("txnRetryCounter"), txnDoc);
});
jsTest.log("Verify retries only work in FCV latest");
const lsid1 = {id: UUID()};
const txnNumber1 = NumberLong(1);
configureFailPoint(shard0Primary,
"failCommand",
{
failInternalCommands: true,
failCommands: ["insert"],
errorCode: ErrorCodes.LockBusy,
namespace: kNs
},
{times: 1});
const insertCmdObj = {
insert: kCollName,
documents: [{x: 1}],
lsid: lsid1,
txnNumber: txnNumber1,
startTransaction: true,
autocommit: false,
txnRetryCounter: NumberInt(0)
};
assert.commandFailedWithCode(testDB.runCommand(insertCmdObj), ErrorCodes.InvalidOptions);
assert.commandWorked(st.s.adminCommand({setFeatureCompatibilityVersion: latestFCV}));
assert.commandFailedWithCode(testDB.runCommand(insertCmdObj), ErrorCodes.LockBusy);
insertCmdObj.txnRetryCounter = NumberInt(1);
assert.commandWorked(testDB.runCommand(insertCmdObj));
assert.commandWorked(testDB.adminCommand({
commitTransaction: 1,
lsid: lsid1,
txnNumber: txnNumber1,
autocommit: false,
txnRetryCounter: insertCmdObj.txnRetryCounter
}));
jsTest.log(
"Verify the config.transactions doc contains the txnRetryCounter since the FCV is latest");
shard0Rst.awaitReplication();
shard0Rst.nodes.forEach(node => {
const txnDoc = node.getCollection(kConfigTxnNs).findOne({"_id.id": lsid1.id});
assert.neq(null, txnDoc);
assert.eq(insertCmdObj.txnRetryCounter, txnDoc.txnRetryCounter, txnDoc);
const oplogEntry = node.getCollection(kOplogNs).findOne({"lsid.id": lsid1.id});
assert.neq(null, oplogEntry);
assert.eq(insertCmdObj.txnRetryCounter, oplogEntry.txnRetryCounter, oplogEntry);
});
st.stop();
}
runFeatureFlagMultiversionTest('featureFlagInternalTransactions', runTest);
})();
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