80 lines
2.3 KiB
JavaScript
80 lines
2.3 KiB
JavaScript
'use strict';
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/**
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* update_replace.js
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*
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* Does updates that replace an entire document.
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* The collection has indexes on some but not all fields.
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*/
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var $config = (function() {
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// explicitly pass db to avoid accidentally using the global `db`
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function assertResult(db, res) {
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assertAlways.eq(0, res.nUpserted, tojson(res));
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assertWhenOwnColl.eq(1, res.nMatched, 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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}
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}
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// returns an update doc
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function getRandomUpdateDoc() {
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var choices = [
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{},
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{ x: 1, y: 1, z: 1 },
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{ a: 1, b: 1, c: 1 }
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];
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return choices[Random.randInt(choices.length)];
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}
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var states = {
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update: function update(db, collName) {
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// choose a doc to update
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var docIndex = Random.randInt(this.numDocs);
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// choose an update to apply
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var updateDoc = getRandomUpdateDoc();
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// apply the update
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var res = db[collName].update({ _id: docIndex }, updateDoc);
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assertResult(db, res);
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}
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};
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var transitions = {
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update: { update: 1 }
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};
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function setup(db, collName, cluster) {
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assertAlways.commandWorked(db[collName].ensureIndex({ a: 1 }));
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assertAlways.commandWorked(db[collName].ensureIndex({ b: 1 }));
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// no index on c
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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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// no index on z
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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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assertWhenOwnColl.eq(this.numDocs, db[collName].find().itcount());
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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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setup: setup
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};
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})();
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