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/**
* Tests global index maintenance API does not generate change stream events.
*
* @tags: [
* assumes_against_mongod_not_mongos,
* featureFlagGlobalIndexes,
* requires_fcv_62,
* uses_transactions
* ]
*/
// TODO (SERVER-69932): once sharding has a working global index implementation, rewrite this test
// to run on mongos (don't use internal commands) and remove assumes_against_mongod_not_mongos.
(function() {
"use strict";
load("jstests/libs/change_stream_util.js");
const adminDB = db.getSiblingDB("admin");
const cst = new ChangeStreamTest(adminDB);
// Drop database and recreate collection to avoid changestream event for collection create and
// make sure collection is empty.
db.getSiblingDB(jsTestName()).dropDatabase();
db.getSiblingDB(jsTestName()).createCollection("coll");
let cursor = cst.startWatchingChanges({
pipeline: [{
$changeStream:
{allChangesForCluster: true, showExpandedEvents: true, showSystemEvents: true}
}],
collection: 1
});
const globalIndexUUID = UUID();
// _shardsvrCreateGlobalIndex should not generate a change stream.
assert.commandWorked(adminDB.runCommand({_shardsvrCreateGlobalIndex: globalIndexUUID}));
cst.assertNoChange(cursor);
// Global index insert operations should not generate change stream events.
{
const session = db.getMongo().startSession();
session.startTransaction();
assert.commandWorked(session.getDatabase("system").runCommand(
{"_shardsvrInsertGlobalIndexKey": globalIndexUUID, key: {a: 1}, docKey: {sk: 1, _id: 1}}));
session.commitTransaction();
session.endSession();
}
cst.assertNoChange(cursor);
// Global index delete operations should not generate change stream events.
{
const session = db.getMongo().startSession();
session.startTransaction();
assert.commandWorked(session.getDatabase("system").runCommand(
{"_shardsvrDeleteGlobalIndexKey": globalIndexUUID, key: {a: 1}, docKey: {sk: 1, _id: 1}}));
session.commitTransaction();
session.endSession();
}
cst.assertNoChange(cursor);
// Global index bulk operations should not generate change stream events.
{
const session = db.getMongo().startSession();
session.startTransaction();
assert.commandWorked(session.getDatabase("system").runCommand({
_shardsvrWriteGlobalIndexKeys: 1,
ops: [
{
_shardsvrInsertGlobalIndexKey: globalIndexUUID,
key: {myKey: "abc"},
docKey: {sk: 123, _id: 987}
},
{
_shardsvrDeleteGlobalIndexKey: globalIndexUUID,
key: {myKey: "abc"},
docKey: {sk: 123, _id: 987}
}
]
}));
session.commitTransaction();
session.endSession();
}
cst.assertNoChange(cursor);
// Validate behaviour of change streams events for regular operations is preserved when used
// together with global indexes.
{
const session = db.getMongo().startSession();
session.startTransaction();
assert.commandWorked(session.getDatabase("system").runCommand(
{"_shardsvrInsertGlobalIndexKey": globalIndexUUID, key: {a: 1}, docKey: {sk: 1, _id: 1}}));
assert.commandWorked(session.getDatabase(jsTestName()).coll.insert({_id: 1, a: 123}));
session.commitTransaction();
session.endSession();
}
// getNextChanges will timeout if no change is found.
const nextChange = cst.getNextChanges(cursor, 1)[0];
const expectedInsert = {
operationType: "insert",
fullDocument: {_id: 1, a: 123},
ns: {db: jsTestName(), coll: "coll"},
documentKey: {_id: 1}
};
assertChangeStreamEventEq(nextChange, expectedInsert);
// _shardsvrDropGlobalIndex should not generate a change stream.
assert.commandWorked(adminDB.runCommand({_shardsvrDropGlobalIndex: globalIndexUUID}));
cst.assertNoChange(cursor);
cst.cleanUp();
}());
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