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// Test that prepared transactions don't block DDL operations on the non-conflicting collections.
// @tags: [uses_transactions, uses_prepare_transaction]
(function() {
"use strict";
load("jstests/core/txns/libs/prepare_helpers.js");
const dbName = "prepared_transactions_do_not_block_non_conflicting_ddl";
const collName = "transactions_collection";
const otherDBName = "prepared_transactions_do_not_block_non_conflicting_ddl_other";
const otherCollName = "transactions_collection_other";
const testDB = db.getSiblingDB(dbName);
const otherDB = db.getSiblingDB(otherDBName);
const session = testDB.getMongo().startSession({causalConsistency: false});
const sessionDB = session.getDatabase(dbName);
const sessionColl = sessionDB[collName];
// Setup.
testDB.dropDatabase();
otherDB.dropDatabase();
assert.commandWorked(sessionColl.insert({_id: 1, x: 0}));
/**
* Tests that DDL operations on non-conflicting namespaces don't block on transactions.
*/
function testSuccess(cmdDBName, ddlCmd) {
session.startTransaction();
assert.commandWorked(sessionColl.update({_id: 1}, {$inc: {x: 1}}));
const prepareTimestamp = PrepareHelpers.prepareTransaction(session);
assert.commandWorked(testDB.getSiblingDB(cmdDBName).runCommand(ddlCmd));
assert.commandWorked(
PrepareHelpers.commitTransactionAfterPrepareTS(session, prepareTimestamp));
}
jsTest.log("Test 'create'.");
const createCmd = {create: collName};
testSuccess(otherDBName, createCmd);
jsTest.log("Test 'createIndexes'.");
const createIndexesCmd = {createIndexes: collName, indexes: [{key: {x: 1}, name: "x_1"}]};
testSuccess(otherDBName, createIndexesCmd);
jsTest.log("Test 'dropIndexes'.");
const dropIndexesCmd = {dropIndexes: collName, index: "x_1"};
testSuccess(otherDBName, dropIndexesCmd);
sessionColl.createIndex({multiKeyField: 1});
jsTest.log("Test 'insert' that enables multi-key index on the same collection.");
const insertAndSetMultiKeyCmd = {insert: collName, documents: [{multiKeyField: [1, 2]}]};
testSuccess(dbName, insertAndSetMultiKeyCmd);
jsTest.log("Test 'drop'.");
const dropCmd = {drop: collName};
testSuccess(otherDBName, dropCmd);
jsTest.log("Test 'renameCollection'.");
assert.commandWorked(otherDB.getCollection(collName).insert({x: "doc-for-rename-collection"}));
otherDB.runCommand({drop: otherCollName});
const renameCollectionCmd = {
renameCollection: otherDBName + "." + collName,
to: otherDBName + "." + otherCollName
};
testSuccess("admin", renameCollectionCmd);
session.endSession();
}());
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