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/* Tests simple cases of creating a collection inside a multi-document transaction, both
* committing and aborting.
*
* @tags: [uses_transactions,
* # Creating collections inside multi-document transactions is supported only in v4.4
* # onwards.
* requires_fcv_44]
*/
(function() {
"use strict";
load("jstests/libs/create_collection_txn_helpers.js");
function runCollectionCreateTest(explicitCreate, upsert) {
const session = db.getMongo().startSession();
const collName = "create_new_collection";
const secondCollName = collName + "_second";
let sessionDB = session.getDatabase("test");
let sessionColl = sessionDB[collName];
let secondSessionColl = sessionDB[secondCollName];
sessionColl.drop({writeConcern: {w: "majority"}});
secondSessionColl.drop({writeConcern: {w: "majority"}});
jsTest.log("Testing createCollection in a transaction");
session.startTransaction({writeConcern: {w: "majority"}});
createCollAndCRUDInTxn(sessionDB, collName, explicitCreate, upsert);
session.commitTransaction();
assert.eq(sessionColl.find({}).itcount(), 1);
jsTest.log("Testing createCollection in a transaction, implicitly creating database");
assert.commandWorked(sessionDB.dropDatabase());
session.startTransaction({writeConcern: {w: "majority"}});
createCollAndCRUDInTxn(sessionDB, collName, explicitCreate, upsert);
session.commitTransaction();
assert.eq(sessionColl.find({}).itcount(), 1);
sessionColl.drop({writeConcern: {w: "majority"}});
jsTest.log("Testing multiple createCollections in a transaction");
session.startTransaction({writeConcern: {w: "majority"}});
createCollAndCRUDInTxn(sessionDB, collName, explicitCreate, upsert);
createCollAndCRUDInTxn(sessionDB, secondCollName, explicitCreate, upsert);
session.commitTransaction();
assert.eq(sessionColl.find({}).itcount(), 1);
assert.eq(secondSessionColl.find({}).itcount(), 1);
sessionColl.drop({writeConcern: {w: "majority"}});
secondSessionColl.drop({writeConcern: {w: "majority"}});
jsTest.log("Testing createCollection in a transaction that aborts");
session.startTransaction({writeConcern: {w: "majority"}});
createCollAndCRUDInTxn(sessionDB, collName, explicitCreate, upsert);
assert.commandWorked(session.abortTransaction_forTesting());
assert.eq(sessionColl.find({}).itcount(), 0);
jsTest.log("Testing multiple createCollections in a transaction that aborts");
session.startTransaction({writeConcern: {w: "majority"}});
createCollAndCRUDInTxn(sessionDB, collName, explicitCreate, upsert);
createCollAndCRUDInTxn(sessionDB, secondCollName, explicitCreate, upsert);
session.abortTransaction();
assert.eq(sessionColl.find({}).itcount(), 0);
assert.eq(secondSessionColl.find({}).itcount(), 0);
sessionColl.drop({writeConcern: {w: "majority"}});
secondSessionColl.drop({writeConcern: {w: "majority"}});
jsTest.log(
"Testing createCollection on an existing collection in a transaction (SHOULD ABORT)");
assert.commandWorked(sessionDB.runCommand({create: collName, writeConcern: {w: "majority"}}));
session.startTransaction({writeConcern: {w: "majority"}});
createCollAndCRUDInTxn(sessionDB, secondCollName, explicitCreate, upsert);
assert.commandFailedWithCode(sessionDB.runCommand({create: collName}),
ErrorCodes.NamespaceExists);
assert.commandFailedWithCode(session.abortTransaction_forTesting(),
ErrorCodes.NoSuchTransaction);
assert.eq(sessionColl.find({}).itcount(), 0);
assert.eq(secondSessionColl.find({}).itcount(), 0);
session.endSession();
}
runCollectionCreateTest(true /*explicitCreate*/, true /*upsert*/);
runCollectionCreateTest(false /*explicitCreate*/, false /*upsert*/);
runCollectionCreateTest(true /*explicitCreate*/, false /*upsert*/);
runCollectionCreateTest(false /*explicitCreate*/, true /*upsert*/);
}());
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