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let f = db.jstests_indexg;
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f.drop();
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f.save({list: [1, 2]});
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f.save({list: [1, 3]});
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let doit = function () {
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assert.eq(1, f.count({list: {$in: [1], $ne: 3}}));
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assert.eq(1, f.count({list: {$in: [1], $not: {$in: [3]}}}));
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};
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doit();
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f.createIndex({list: 1});
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doit();
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