8 lines
357 B
JavaScript
8 lines
357 B
JavaScript
// SERVER-72651 $match filter is erroneously pushed past $project into COLLSCAN
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const c = db.server72651;
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c.drop();
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assert.commandWorked(c.insert({_id: 0, a: 1}));
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// The bug caused the query below to return {"_id" : 0} instead of no documents.
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assert.eq([], c.aggregate([{$project: {"b": 1}}, {$match: {$expr: {$getField: {$literal: "a"}}}}]).toArray());
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