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'use strict';
/**
* update_multifield_multiupdate.js
*
* Does updates that affect multiple fields on multiple documents.
* The collection has an index for each field, and a multikey index for all fields.
*/
load('jstests/concurrency/fsm_libs/extend_workload.js'); // for extendWorkload
load('jstests/concurrency/fsm_workloads/update_multifield.js'); // for $config
load('jstests/concurrency/fsm_workload_helpers/server_types.js'); // for isMongod and isMMAPv1
var $config =
extendWorkload($config,
function($config, $super) {
$config.data.multi = true;
$config.data.assertResult = function(res, db, collName, query) {
assertAlways.eq(0, res.nUpserted, tojson(res));
if (isMongod(db)) {
if (isMMAPv1(db)) {
// If an update triggers a document to move forward, then
// that document can be matched multiple times. If an update
// triggers a document to move backwards, then that document
// can be missed by other threads.
assertAlways.gte(res.nMatched, 0, tojson(res));
} else { // non-mmapv1 storage engine
// TODO: Can we assert exact equality with WiredTiger?
// What about for other storage engines?
assertWhenOwnColl.lte(this.numDocs, res.nMatched, tojson(res));
}
} else { // mongos
// In a mixed cluster, it is unknown what underlying storage engine
// the update operations will be executed against. Thus, we can only
// make the weakest of all assertions above.
assertAlways.gte(res.nMatched, 0, tojson(res));
}
if (db.getMongo().writeMode() === 'commands') {
assertWhenOwnColl.eq(res.nMatched, res.nModified, tojson(res));
}
var docs = db[collName].find().toArray();
docs.forEach(function(doc) {
assertWhenOwnColl.eq('number', typeof doc.z);
assertWhenOwnColl.gt(doc.z, 0);
});
};
return $config;
});
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