Files
mongo/jstests/core/txns/multi_statement_transaction.js
Jordi Serra Torrens eb76b3e4c1 SERVER-86670 Create jscore_txns passthrough suite with unsharded collections placed on random shards (#19019)
GitOrigin-RevId: aa77a7ec5b2aba45ecee6a52f8c7d63298f16b84
2024-02-16 13:20:17 +00:00

194 lines
8.1 KiB
JavaScript

// Test basic multi-statement transaction.
//
// @tags: [
// # The test runs commands that are not allowed with security token: endSession.
// not_allowed_with_signed_security_token,
// uses_transactions
// ]
// TODO(SERVER-39704): Remove the following load after SERVER-39704 is completed
import {withTxnAndAutoRetryOnMongos} from "jstests/libs/auto_retry_transaction_in_sharding.js";
const dbName = "test";
const collName = "multi_statement_transaction";
const testDB = db.getSiblingDB(dbName);
const testColl = testDB[collName];
testDB.runCommand({drop: collName, writeConcern: {w: "majority"}});
assert.commandWorked(testDB.createCollection(testColl.getName(), {writeConcern: {w: "majority"}}));
const sessionOptions = {
causalConsistency: false
};
const session = db.getMongo().startSession(sessionOptions);
const sessionDb = session.getDatabase(dbName);
const sessionColl = sessionDb[collName];
/***********************************************************************************************
* Insert two documents in a transaction.
**********************************************************************************************/
assert.commandWorked(testColl.remove({}, {writeConcern: {w: "majority"}}));
jsTest.log("Insert two documents in a transaction");
// TODO(SERVER-39704): We use the withTxnAndAutoRetryOnMongos
// function to handle how MongoS will propagate a StaleShardVersion error as a
// TransientTransactionError. After SERVER-39704 is completed the
// withTxnAndAutoRetryOnMongos function can be removed
withTxnAndAutoRetryOnMongos(session, () => {
// Insert a doc within the transaction.
assert.commandWorked(sessionColl.insert({_id: "insert-1"}));
// Cannot read with default read concern.
assert.eq(null, testColl.findOne({_id: "insert-1"}));
// But read in the same transaction returns the doc.
assert.docEq({_id: "insert-1"}, sessionColl.findOne());
// Read with aggregation also returns the document.
let docs = sessionColl.aggregate([{$match: {_id: "insert-1"}}]).toArray();
assert.sameMembers([{_id: "insert-1"}], docs);
// Insert a doc within a transaction.
assert.commandWorked(sessionColl.insert({_id: "insert-2"}));
// Cannot read with default read concern.
assert.eq(null, testColl.findOne({_id: "insert-1"}));
// Cannot read with default read concern.
assert.eq(null, testColl.findOne({_id: "insert-2"}));
});
// Read with default read concern sees the committed transaction.
assert.eq({_id: "insert-1"}, testColl.findOne({_id: "insert-1"}));
assert.eq({_id: "insert-2"}, testColl.findOne({_id: "insert-2"}));
/***********************************************************************************************
* Update documents in a transaction.
**********************************************************************************************/
assert.commandWorked(testColl.remove({}, {writeConcern: {w: "majority"}}));
jsTest.log("Update documents in a transaction");
// Insert the docs to be updated.
assert.commandWorked(sessionColl.insert([{_id: "update-1", a: 0}, {_id: "update-2", a: 0}],
{writeConcern: {w: "majority"}}));
// Update the docs in a new transaction.
// TODO(SERVER-39704): We use the withTxnAndAutoRetryOnMongos
// function to handle how MongoS will propagate a StaleShardVersion error as a
// TransientTransactionError. After SERVER-39704 is completed the
// withTxnAndAutoRetryOnMongos function can be removed
withTxnAndAutoRetryOnMongos(session, () => {
assert.commandWorked(sessionColl.update({_id: "update-1"}, {$inc: {a: 1}}));
// Batch update in transaction.
let bulk = sessionColl.initializeUnorderedBulkOp();
bulk.find({_id: "update-1"}).updateOne({$inc: {a: 1}});
bulk.find({_id: "update-2"}).updateOne({$inc: {a: 1}});
assert.commandWorked(bulk.execute());
// Cannot read with default read concern.
assert.eq({_id: "update-1", a: 0}, testColl.findOne({_id: "update-1"}));
assert.eq({_id: "update-2", a: 0}, testColl.findOne({_id: "update-2"}));
});
// Read with default read concern sees the committed transaction.
assert.eq({_id: "update-1", a: 2}, testColl.findOne({_id: "update-1"}));
assert.eq({_id: "update-2", a: 1}, testColl.findOne({_id: "update-2"}));
/***********************************************************************************************
* Insert, update and read documents in a transaction.
**********************************************************************************************/
assert.commandWorked(testColl.remove({}, {writeConcern: {w: "majority"}}));
jsTest.log("Insert, update and read documents in a transaction");
// TODO(SERVER-39704): We use the withTxnAndAutoRetryOnMongos
// function to handle how MongoS will propagate a StaleShardVersion error as a
// TransientTransactionError. After SERVER-39704 is completed the
// withTxnAndAutoRetryOnMongos function can be removed
withTxnAndAutoRetryOnMongos(session, () => {
assert.commandWorked(sessionColl.insert([{_id: "doc-1"}, {_id: "doc-2"}]));
// Update the two docs in transaction.
assert.commandWorked(sessionColl.update({_id: "doc-1"}, {$inc: {a: 1}}));
assert.commandWorked(sessionColl.update({_id: "doc-2"}, {$inc: {a: 1}}));
// Cannot read with default read concern.
assert.eq(null, testColl.findOne({_id: "doc-1"}));
assert.eq(null, testColl.findOne({_id: "doc-2"}));
// But read in the same transaction returns the docs.
let docs = sessionColl.find({$or: [{_id: "doc-1"}, {_id: "doc-2"}]}).toArray();
assert.sameMembers([{_id: "doc-1", a: 1}, {_id: "doc-2", a: 1}], docs);
});
// Read with default read concern sees the committed transaction.
assert.eq({_id: "doc-1", a: 1}, testColl.findOne({_id: "doc-1"}));
assert.eq({_id: "doc-2", a: 1}, testColl.findOne({_id: "doc-2"}));
jsTest.log("Insert and delete documents in a transaction");
assert.commandWorked(testColl.remove({}, {writeConcern: {w: "majority"}}));
assert.commandWorked(
testColl.insert([{_id: "doc-1"}, {_id: "doc-2"}], {writeConcern: {w: "majority"}}));
// TODO(SERVER-39704): We use the withTxnAndAutoRetryOnMongos
// function to handle how MongoS will propagate a StaleShardVersion error as a
// TransientTransactionError. After SERVER-39704 is completed the
// withTxnAndAutoRetryOnMongos function can be removed
withTxnAndAutoRetryOnMongos(session, () => {
assert.commandWorked(sessionColl.insert({_id: "doc-3"}));
// Remove three docs in transaction.
assert.commandWorked(sessionColl.remove({_id: "doc-1"}));
// Batch delete.
let bulk = sessionColl.initializeUnorderedBulkOp();
bulk.find({_id: "doc-2"}).removeOne();
bulk.find({_id: "doc-3"}).removeOne();
assert.commandWorked(bulk.execute());
// Cannot read the new doc and still see the to-be removed docs with default read concern.
assert.eq({_id: "doc-1"}, testColl.findOne({_id: "doc-1"}));
assert.eq({_id: "doc-2"}, testColl.findOne({_id: "doc-2"}));
assert.eq(null, testColl.findOne({_id: "doc-3"}));
// But read in the same transaction sees the docs get deleted.
let docs = sessionColl.find({$or: [{_id: "doc-1"}, {_id: "doc-2"}, {_id: "doc-3"}]}).toArray();
assert.sameMembers([], docs);
});
// Read with default read concern sees the commmitted transaction.
assert.eq(null, testColl.findOne({_id: "doc-1"}));
assert.eq(null, testColl.findOne({_id: "doc-2"}));
assert.eq(null, testColl.findOne({_id: "doc-3"}));
// Transaction involving several collections
{
assert.commandWorked(testColl.remove({}, {writeConcern: {w: "majority"}}));
const collName2 = "multi_statement_transaction_2";
const testColl2 = testDB[collName2];
testColl2.drop();
assert.commandWorked(testDB.createCollection(collName2));
const sessionColl2 = sessionDb[collName2];
withTxnAndAutoRetryOnMongos(session, () => {
assert.commandWorked(sessionColl.insert({_id: "doc-1"}));
assert.commandWorked(sessionColl2.insert({_id: "doc-2"}));
});
assert.eq(1, testColl.find().itcount());
assert.eq(1, testColl2.find().itcount());
assert.eq({_id: "doc-1"}, testColl.findOne({_id: "doc-1"}));
assert.eq({_id: "doc-2"}, testColl2.findOne({_id: "doc-2"}));
}
session.endSession();