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// SERVER-1735 $type:10 matches null value, not missing value.
t = db.jstests_type2;
t.drop();
t.save({a: null});
t.save({});
t.save({a: 'a'});
function test() {
assert.eq(2, t.count({a: null}));
assert.eq(1, t.count({a: {$type: 10}}));
assert.eq(2, t.count({a: {$exists: true}}));
assert.eq(1, t.count({a: {$exists: false}}));
}
test();
t.createIndex({a: 1});
test();
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