34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
(function() {
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"use strict";
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load("jstests/libs/optimizer_utils.js"); // For checkCascadesOptimizerEnabled.
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if (!checkCascadesOptimizerEnabled(db)) {
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jsTestLog("Skipping test because the optimizer is not enabled");
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return;
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}
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const t = db.cqf_object_elemMatch;
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t.drop();
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assert.commandWorked(t.insert({a: [{a: 1, b: 1}, {a: 1, b: 2}]}));
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assert.commandWorked(t.insert({a: [{a: 2, b: 1}, {a: 2, b: 2}]}));
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assert.commandWorked(t.insert({a: {a: 2, b: 1}}));
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assert.commandWorked(t.insert({a: [{b: [1, 2], c: [3, 4]}]}));
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{
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// Object elemMatch. Currently we do not support index here.
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const res = t.explain("executionStats").aggregate([{$match: {a: {$elemMatch: {a: 2, b: 1}}}}]);
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assert.eq(1, res.executionStats.nReturned);
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assert.eq("PhysicalScan",
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res.queryPlanner.winningPlan.optimizerPlan.child.child.child.nodeType);
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}
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{
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// Should not be getting any results.
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const res = t.explain("executionStats").aggregate([
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{$match: {a: {$elemMatch: {b: {$elemMatch: {}}, c: {$elemMatch: {}}}}}}
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]);
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assert.eq(0, res.executionStats.nReturned);
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}
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}());
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