34 lines
1017 B
JavaScript
34 lines
1017 B
JavaScript
'use strict';
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/*
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* yield_id_hack.js (extends yield.js)
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*
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* Intersperse queries which use the ID_HACK stage with updates and deletes of documents they may
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* match.
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*/
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load('jstests/concurrency/fsm_libs/extend_workload.js'); // for extendWorkload
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load('jstests/concurrency/fsm_workloads/yield.js'); // for $config
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var $config = extendWorkload($config, function($config, $super) {
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/*
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* Issue a query that will use the ID_HACK stage. This cannot be
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* batched, so issue a
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* number of them to increase the chances of yielding between
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* getting the key and looking
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* up its value.
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*/
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$config.states.query = function idHack(db, collName) {
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var nQueries = 100;
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for (var i = 0; i < nQueries; i++) {
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assertAlways.lte(db[collName].find({_id: i}).itcount(), 1);
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var res = db[collName].findOne({_id: i});
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if (res !== null) {
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assertAlways.eq(i, res._id);
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}
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}
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};
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return $config;
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});
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