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/**
* Tests that building partial indexes using the hybrid method preserves multikey information.
*
* @tags: [
* requires_replication,
* ]
*/
(function() {
'use strict';
load('jstests/noPassthrough/libs/index_build.js');
const rst = new ReplSetTest({
nodes: [
{},
{
// Disallow elections on secondary.
rsConfig: {
priority: 0,
votes: 0,
},
},
]
});
const nodes = rst.startSet();
rst.initiate();
const primary = rst.getPrimary();
const testDB = primary.getDB('test');
const coll = testDB.getCollection('test');
assert.commandWorked(testDB.createCollection(coll.getName()));
// Insert document into collection to avoid optimization for index creation on an empty collection.
// This allows us to pause index builds on the collection using a fail point.
assert.commandWorked(coll.insert({a: 1}));
IndexBuildTest.pauseIndexBuilds(primary);
// Create a partial index for documents where 'a', the field in the filter expression,
// is equal to 1.
const partialIndex = {
a: 1
};
const createIdx = IndexBuildTest.startIndexBuild(
primary, coll.getFullName(), partialIndex, {partialFilterExpression: {a: 1}});
IndexBuildTest.waitForIndexBuildToScanCollection(testDB, coll.getName(), 'a_1');
assert.commandWorked(coll.insert({_id: 0, a: 1}));
// Update the document so that it no longer meets the partial index criteria.
assert.commandWorked(coll.update({_id: 0}, {$set: {a: 0}}));
IndexBuildTest.resumeIndexBuilds(primary);
// Wait for the index build to finish.
createIdx();
IndexBuildTest.assertIndexes(coll, 2, ['_id_', 'a_1']);
let res = assert.commandWorked(coll.validate({full: true}));
assert(res.valid, 'validation failed on primary: ' + tojson(res));
rst.stopSet();
})();
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