blob: 92ba8584d3d210273fcdbabc0c473df484681c8c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/**
* Tests that we can successfully prepare a prepared transaction.
*
* @tags: [uses_transactions, uses_prepare_transaction, assumes_superuser_permissions]
*/
(function() {
"use strict";
load("jstests/core/txns/libs/prepare_helpers.js");
const dbName = "test";
const collName = "prepare_prepared_transaction";
const testDB = db.getSiblingDB(dbName);
const testColl = testDB.getCollection(collName);
testColl.drop({writeConcern: {w: "majority"}});
assert.commandWorked(testDB.runCommand({create: collName, writeConcern: {w: "majority"}}));
const session = testDB.getMongo().startSession({causalConsistency: false});
const sessionDB = session.getDatabase(dbName);
const sessionColl = sessionDB.getCollection(collName);
const doc1 = {
_id: 1,
x: 1
};
// Attempting to prepare an already prepared transaction should return successfully with a
// prepareTimestamp.
// Client's opTime is later than the prepareOpTime, so just return the prepareTimestamp.
session.startTransaction();
assert.commandWorked(sessionColl.insert(doc1));
const firstTimestamp = PrepareHelpers.prepareTransaction(session);
const secondTimestamp = PrepareHelpers.prepareTransaction(session);
// Both prepareTimestamps should be equal.
assert.eq(firstTimestamp, secondTimestamp);
assert.commandWorked(session.abortTransaction_forTesting());
session.endSession();
}());
|