114 lines
4.0 KiB
JavaScript
114 lines
4.0 KiB
JavaScript
'use strict';
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/**
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* update_multifield.js
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*
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* Does updates that affect multiple fields on a single document.
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* The collection has an index for each field, and a compound index for all fields.
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*/
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// For isMongod and supportsDocumentLevelConcurrency.
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load('jstests/concurrency/fsm_workload_helpers/server_types.js');
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var $config = (function() {
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function makeQuery(options) {
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var query = {};
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if (!options.multi) {
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query._id = Random.randInt(options.numDocs);
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}
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if (options.isolated) {
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query.$isolated = 1;
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}
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return query;
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}
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// returns an update doc
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function makeRandomUpdateDoc() {
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var x = Random.randInt(5);
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var y = Random.randInt(5);
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// ensure z is never 0, so the $inc is never 0, so we can assert nModified === nMatched
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var z = Random.randInt(5) + 1;
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var set = Random.rand() > 0.5;
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var push = Random.rand() > 0.2;
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var updateDoc = {};
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updateDoc[set ? '$set' : '$unset'] = {x: x};
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updateDoc[push ? '$push' : '$pull'] = {y: y};
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updateDoc.$inc = {z: z};
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return updateDoc;
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}
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var states = {
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update: function update(db, collName) {
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// choose an update to apply
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var updateDoc = makeRandomUpdateDoc();
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// apply this update
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var query =
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makeQuery({multi: this.multi, isolated: this.isolated, numDocs: this.numDocs});
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var res = db[collName].update(query, updateDoc, {multi: this.multi});
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this.assertResult(res, db, collName, query);
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}
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};
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var transitions = {update: {update: 1}};
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function setup(db, collName, cluster) {
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assertAlways.commandWorked(db[collName].ensureIndex({x: 1}));
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assertAlways.commandWorked(db[collName].ensureIndex({y: 1}));
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assertAlways.commandWorked(db[collName].ensureIndex({z: 1}));
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assertAlways.commandWorked(db[collName].ensureIndex({x: 1, y: 1, z: 1}));
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// numDocs should be much less than threadCount, to make more threads use the same docs.
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this.numDocs = Math.floor(this.threadCount / 3);
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assertAlways.gt(this.numDocs, 0, 'numDocs should be a positive number');
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for (var i = 0; i < this.numDocs; ++i) {
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var res = db[collName].insert({_id: i});
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assertWhenOwnColl.writeOK(res);
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assertWhenOwnColl.eq(1, res.nInserted);
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}
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}
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return {
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threadCount: 10,
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iterations: 10,
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startState: 'update',
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states: states,
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transitions: transitions,
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data: {
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assertResult: function(res, db, collName, query) {
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assertAlways.eq(0, res.nUpserted, tojson(res));
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if (isMongod(db) && supportsDocumentLevelConcurrency(db)) {
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// Storage engines which support document-level concurrency will automatically
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// retry any operations when there are conflicts, so we should always see a
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// matching document.
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assertWhenOwnColl.eq(res.nMatched, 1, tojson(res));
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if (db.getMongo().writeMode() === 'commands') {
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assertWhenOwnColl.eq(res.nModified, 1, tojson(res));
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}
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} else {
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// On storage engines that do not support document-level concurrency, it is
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// possible that the query will not find the document. This can happen if
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// another thread updated the target document during a yield, triggering an
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// invalidation.
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assertWhenOwnColl.contains(res.nMatched, [0, 1], tojson(res));
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if (db.getMongo().writeMode() === 'commands') {
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assertWhenOwnColl.contains(res.nModified, [0, 1], tojson(res));
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assertAlways.eq(res.nModified, res.nMatched, tojson(res));
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}
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}
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},
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multi: false,
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isolated: false,
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},
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setup: setup
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};
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})();
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