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'use strict';
/**
* update_ordered_bulk_inc.js
*
* Inserts multiple documents into a collection. Each thread performs a
* bulk update operation to select the document and increment a particular
* field. Asserts that the field has the correct value based on the number
* of increments performed.
*
* Uses an ordered, bulk operation to perform the updates.
*/
load('jstests/concurrency/fsm_workload_helpers/server_types.js'); // for isMMAPv1 and isMongod
var $config = (function() {
var states = {
init: function init(db, collName) {
this.fieldName = 't' + this.tid;
},
update: function update(db, collName) {
var updateDoc = {
$inc: {}
};
updateDoc.$inc[this.fieldName] = 1;
var bulk = db[collName].initializeOrderedBulkOp();
for (var i = 0; i < this.docCount; ++i) {
bulk.find({_id: i}).update(updateDoc);
}
var result = bulk.execute();
// TODO: this actually does assume that there are no unique indexes.
// but except for weird cases like that, it is valid even when other
// threads are modifying the same collection
assertAlways.eq(0, result.getWriteErrorCount());
++this.count;
},
find: function find(db, collName) {
var docs = db[collName].find().toArray();
// In MMAP v1, some documents may appear twice due to moves
if (isMongod(db) && !isMMAPv1(db)) {
assertWhenOwnColl.eq(this.docCount, docs.length);
}
assertWhenOwnColl.gte(docs.length, this.docCount);
// It is possible that a document was not incremented in MMAP v1 because
// updates skip documents that were invalidated during yielding
if (isMongod(db) && !isMMAPv1(db)) {
docs.forEach(function(doc) {
assertWhenOwnColl.eq(this.count, doc[this.fieldName]);
}, this);
}
docs.forEach(function(doc) {
// If the document hasn't been updated at all, then the field won't exist.
if (doc.hasOwnProperty(this.fieldName)) {
assertWhenOwnColl.lte(doc[this.fieldName], this.count);
}
assertWhenOwnColl.lt(doc._id, this.docCount);
}, this);
}
};
var transitions = {
init: {update: 1},
update: {find: 1},
find: {update: 1}
};
function setup(db, collName, cluster) {
this.count = 0;
for (var i = 0; i < this.docCount; ++i) {
db[collName].insert({_id: i});
}
}
return {
threadCount: 10,
iterations: 20,
states: states,
transitions: transitions,
setup: setup,
data: {docCount: 15}
};
})();
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