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21 lines
652 B
JavaScript
21 lines
652 B
JavaScript
/**
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* Ensure that $match is always applied after $limit.
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*/
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(function() {
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"use strict";
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let coll = db.jstests_match_swap_limit;
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coll.drop();
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assert.writeOK(coll.insert({_id: 0, x: 1, y: 3}));
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assert.writeOK(coll.insert({_id: 1, x: 2, y: 2}));
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assert.writeOK(coll.insert({_id: 2, x: 3, y: 1}));
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assert.eq([{_id: 1, x: 2, y: 2}],
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coll.aggregate([{$sort: {x: -1}}, {$limit: 2}, {$match: {y: {$gte: 2}}}]).toArray());
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assert.writeOK(coll.createIndex({x: 1}));
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assert.eq([{_id: 1, x: 2, y: 2}],
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coll.aggregate([{$sort: {x: -1}}, {$limit: 2}, {$match: {y: {$gte: 2}}}]).toArray());
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}());
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