mirror of https://github.com/mongodb/mongo
27 lines
485 B
JavaScript
27 lines
485 B
JavaScript
// index5.js - test reverse direction index
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//
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// @tags: [requires_fastcount]
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function validate() {
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assert.eq(2, t.find().count());
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let f = t.find().sort({a: 1});
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assert.eq(2, t.count());
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assert.eq(1, f[0].a);
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assert.eq(2, f[1].a);
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let r = t.find().sort({a: -1});
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assert.eq(2, r.count());
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assert.eq(2, r[0].a);
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assert.eq(1, r[1].a);
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}
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let t = db.index5;
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t.drop();
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t.save({a: 1});
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t.save({a: 2});
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validate();
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t.createIndex({a: -1});
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validate();
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