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// SERVER-6184 Support mixing nested and dotted fields with common prefixes
c = db.c;
c.drop();
c.save({a: 'missing', b: {c: 'bar', a: 'baz', z: 'not there'}});
function test(projection) {
res = c.aggregate({$project: projection});
assert.eq(res.toArray()[0], {b: {c: 'bar', a: 'baz'}});
}
test({_id: 0, b: {a: 1}, 'b.c': 1});
test({_id: 0, 'b.c': 1, b: {a: 1}});
// Synthetic fields should be in the order they appear in the $project
one = {
$add: [1]
};
res = c.aggregate({$project: {_id: 0, 'A.Z': one, A: {Y: one, A: one}, 'A.B': one}});
assert.eq(res.toArray()[0], {A: {Z: 1, Y: 1, A: 1, B: 1}});
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