mirror of https://github.com/mongodb/mongo
27 lines
621 B
JavaScript
27 lines
621 B
JavaScript
// Test indexed elemmatch of missing field.
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// @tags: [
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// requires_getmore
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// ]
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let t = db.jstests_arrayfind5;
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t.drop();
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function check(nullElemMatch) {
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assert.eq(1, t.find({"a.b": 1}).itcount());
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assert.eq(1, t.find({a: {$elemMatch: {b: 1}}}).itcount());
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assert.eq(nullElemMatch ? 1 : 0, t.find({"a.b": null}).itcount());
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assert.eq(nullElemMatch ? 1 : 0, t.find({a: {$elemMatch: {b: null}}}).itcount()); // see SERVER-3377
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}
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t.save({a: [{}, {b: 1}]});
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check(true);
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t.createIndex({"a.b": 1});
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check(true);
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t.drop();
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t.save({a: [5, {b: 1}]});
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check(false);
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t.createIndex({"a.b": 1});
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check(false);
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