40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
// This test asserts on query plans expected from unsharded collections.
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// @tags: [
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// assumes_no_implicit_collection_creation_after_drop,
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// requires_fastcount,
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// ]
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// Test explain for {upsert: true} updates.
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import {FixtureHelpers} from "jstests/libs/fixture_helpers.js";
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var t = db.jstests_explain_upsert;
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t.drop();
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var explain;
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// Explained upsert against an empty collection should succeed and be a no-op.
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explain = db.runCommand(
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{explain: {update: t.getName(), updates: [{q: {a: 1}, u: {a: 1}, upsert: true}]}});
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if (FixtureHelpers.isMongos(db) || TestData.testingReplicaSetEndpoint) {
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assert.commandWorkedOrFailedWithCode(explain, ErrorCodes.NamespaceNotFound);
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} else {
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// TODO(SERVER-18047): Make an explain against a non-existent database fail in an unsharded
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// environment.
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assert.commandWorked(explain);
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}
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// Collection should still not exist.
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assert.eq(0, t.count());
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assert(!db.getCollectionInfos({name: t.getName()}).length);
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// Add a document to the collection.
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t.insert({a: 3});
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// An explained upsert against a non-empty collection should also succeed as a no-op.
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explain = db.runCommand(
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{explain: {update: t.getName(), updates: [{q: {a: 1}, u: {a: 1}, upsert: true}]}});
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assert.commandWorked(explain);
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assert.eq(1, t.count());
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assert(db.getCollectionInfos({name: t.getName()}).length);
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