23 lines
734 B
JavaScript
23 lines
734 B
JavaScript
const t = db.count4;
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t.drop();
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let docs = [];
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for (let i = 0; i < 100; i++) {
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docs.push({_id: i, x: i});
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}
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assert.commandWorked(t.insert(docs));
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const q = {
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x: {$gt: 25, $lte: 75}
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};
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assert.eq(50, t.find(q).count(), 'collection scan fast count: ' + tojson(q));
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assert.eq(50, t.find(q).itcount(), 'collection scan find iterator count: ' + tojson(q));
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assert.eq(50, t.countDocuments(q), 'collection scan aggregation count: ' + tojson(q));
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assert.commandWorked(t.createIndex({x: 1}));
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assert.eq(50, t.find(q).count(), 'index scan fast count: ' + tojson(q));
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assert.eq(50, t.find(q).itcount(), 'index scan find iterator count: ' + tojson(q));
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assert.eq(50, t.countDocuments(q), 'index scan aggregation count: ' + tojson(q));
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