Files
mongo/jstests/core/explain_upsert.js

37 lines
813 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());