mirror of https://github.com/mongodb/mongo
22 lines
867 B
JavaScript
22 lines
867 B
JavaScript
// Check index bound determination for $not:$elemMatch queries. SERVER-5740
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t = db.jstests_arrayfind6;
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t.drop();
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t.save({a: [{b: 1, c: 2}]});
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function checkElemMatchMatches() {
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assert.eq(1, t.count({a: {$elemMatch: {b: 1, c: 2}}}));
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assert.eq(0, t.count({a: {$not: {$elemMatch: {b: 1, c: 2}}}}));
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assert.eq(1, t.count({a: {$not: {$elemMatch: {b: 1, c: 3}}}}));
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assert.eq(1, t.count({a: {$not: {$elemMatch: {b: {$ne: 1}, c: 3}}}}));
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// Index bounds must be determined for $not:$elemMatch, not $not:$ne. In this case if index
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// bounds are determined for $not:$ne, the a.b index will be constrained to the interval [2,2]
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// and the saved document will not be matched as it should.
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assert.eq(1, t.count({a: {$not: {$elemMatch: {b: {$ne: 2}, c: 3}}}}));
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}
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checkElemMatchMatches();
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t.ensureIndex({'a.b': 1});
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checkElemMatchMatches();
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