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'use strict';
/**
* remove_where.js
*
* Bulk inserts documents in batches of 100. Randomly selects ~1/10th of existing documents created
* by the thread and removes them. Queries by the thread that created the documents to verify
* counts.
*/
load('jstests/concurrency/fsm_libs/extend_workload.js'); // for extendWorkload
load('jstests/concurrency/fsm_workloads/indexed_insert_where.js'); // for $config
var $config = extendWorkload($config, function($config, $super) {
$config.data.randomBound = 10;
$config.data.generateDocumentToInsert = function generateDocumentToInsert() {
return { tid: this.tid, x: Random.randInt(this.randomBound) };
};
$config.states.remove = function remove(db, collName) {
var res = db[collName].remove({
// Server-side JS does not support Random.randInt, so use Math.floor/random instead
$where: 'this.x === Math.floor(Math.random() * ' + this.randomBound + ') ' +
'&& this.tid === ' + this.tid
});
assertWhenOwnColl.gte(res.nRemoved, 0);
assertWhenOwnColl.lte(res.nRemoved, this.insertedDocuments);
this.insertedDocuments -= res.nRemoved;
};
$config.transitions = {
insert: { insert: 0.2, remove: 0.4, query: 0.4 },
remove: { insert: 0.4, remove: 0.2, query: 0.4 },
query: { insert: 0.4, remove: 0.4, query: 0.2 }
};
$config.setup = function setup(db, collName, cluster) {
/* no-op to prevent index from being created */
};
return $config;
});
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