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_partial_index;
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t.drop();
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assert.commandWorked(t.insert({a: 1, b: 1, c: 1}));
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assert.commandWorked(t.insert({a: 3, b: 2, c: 1}));
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assert.commandWorked(t.insert({a: 3, b: 3, c: 1}));
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assert.commandWorked(t.insert({a: 3, b: 3, c: 2}));
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assert.commandWorked(t.insert({a: 4, b: 3, c: 2}));
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assert.commandWorked(t.insert({a: 5, b: 5, c: 2}));
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for (let i = 0; i < 40; i++) {
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assert.commandWorked(t.insert({a: i + 10, b: i + 10, c: i + 10}));
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}
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assert.commandWorked(t.createIndex({'a': 1}, {partialFilterExpression: {'b': 2}}));
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// TODO: verify with explain the plan should use the index.
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let res = t.aggregate([{$match: {'a': 3, 'b': 2}}]).toArray();
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assert.eq(1, res.length);
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// TODO: verify with explain the plan should not use the index.
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res = t.aggregate([{$match: {'a': 3, 'b': 3}}]).toArray();
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assert.eq(2, res.length);
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}());
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