Files
mongo/jstests/core/explain_upsert.js
2016-03-09 12:18:14 -05:00

25 lines
723 B
JavaScript

// Test explain for {upsert: true} updates.
var t = db.jstests_explain_upsert;
t.drop();
var explain;
// Explained upsert against an empty collection should succeed and be a no-op.
explain = db.runCommand(
{explain: {update: t.getName(), updates: [{q: {a: 1}, u: {a: 1}, upsert: true}]}});
assert.commandWorked(explain);
// Collection should still not exist.
assert.eq(0, t.count());
assert(!t.drop());
// Add a document to the collection.
t.insert({a: 3});
// An explained upsert against a non-empty collection should also succeed as a no-op.
explain = db.runCommand(
{explain: {update: t.getName(), updates: [{q: {a: 1}, u: {a: 1}, upsert: true}]}});
assert.commandWorked(explain);
assert.eq(1, t.count());