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/**
* Ensures that it is safe to upgrade a timeseries collection from v5.0 to "latest" without
* breaking the output of listCollections for the clusteredIndex option. Additionally, that the
* collection can then be safely downgraded again.
*
* TODO SERVER-60219: Since this test is specific to the upgrade process from 5.0 - 5.*, it can be
* removed once 6.0 becomes last-lts.
*/
(function() {
'use strict';
load('jstests/multiVersion/libs/multi_rs.js');
const tsCollName = 'tsColl';
const bucketsCollName = 'system.buckets.' + tsCollName;
const getTestDB = function(rst) {
return rst.getPrimary().getDB("test");
};
// The clusteredIndex option for a time-series buckets collection should always be {clusteredIndex:
// true}, regardless of v5.0 vs v5.*.
const assertListCollectionsBucketOutput = function(db) {
const listColls =
assert.commandWorked(db.runCommand({listCollections: 1, filter: {name: bucketsCollName}}));
const options = listColls.cursor.firstBatch[0].options;
assert(options.clusteredIndex);
assert.eq(options.clusteredIndex, true);
};
const oldVersion = "last-lts";
const nodes = {
n1: {binVersion: oldVersion},
n2: {binVersion: oldVersion},
n3: {binVersion: oldVersion}
};
const rst = new ReplSetTest({nodes: nodes});
rst.startSet();
rst.initiate();
let testDB = getTestDB(rst);
assert.commandWorked(testDB.createCollection(tsCollName, {timeseries: {timeField: 'time'}}));
assertListCollectionsBucketOutput(testDB);
jsTest.log("Upgrading replica set from last-lts to latest");
rst.upgradeSet({binVersion: "latest"});
testDB = getTestDB(rst);
assertListCollectionsBucketOutput(testDB);
jsTest.log("Downgrading replica set from latest to last-lts");
rst.upgradeSet({binVersion: "last-lts"});
testDB = getTestDB(rst);
assertListCollectionsBucketOutput(testDB);
rst.stopSet();
})();
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