13 lines
362 B
JavaScript
13 lines
362 B
JavaScript
// projecting a non-existent subfield should work as it does in a query with projection
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c = db.c;
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c.drop();
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c.save({a:[1]});
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c.save({a:{c:1}});
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c.save({a:[{c:1},{b:1,c:1},{c:1}]});
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c.save({a:1});
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c.save({b:1});
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// assert the aggregation and the query produce the same thing
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assert.eq(c.aggregate({$project:{'a.b':1}}).result, c.find({}, {'a.b':1}).toArray());
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