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mongo/jstests/core/query/explain/explain_upsert.js
Jason Zhang 28eb8d299b SERVER-80780 Merge writes without shard key jscore passthrough with existing passthrough suites (#20175)
GitOrigin-RevId: a54cc3a3df44359ea51533f062642ee841f71460
2024-04-08 02:28:42 +00:00

35 lines
1.2 KiB
JavaScript

// This test asserts on query plans expected from unsharded collections.
// @tags: [assumes_unsharded_collection, requires_fastcount]
// 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}]}});
if (TestData.testingReplicaSetEndpoint) {
// TODO (SERVER-75857): Unify behavior between mongod and mongos when running explain on a
// nonexistent database.
assert.commandWorkedOrFailedWithCode(explain, ErrorCodes.NamespaceNotFound);
} else {
assert.commandWorked(explain);
}
// Collection should still not exist.
assert.eq(0, t.count());
assert(!db.getCollectionInfos({name: t.getName()}).length);
// 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());
assert(db.getCollectionInfos({name: t.getName()}).length);