17 lines
437 B
JavaScript
17 lines
437 B
JavaScript
// SERVER-2831 Demonstration of sparse index matching semantics in a multi index $or query.
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t = db.jstests_orh;
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t.drop();
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t.ensureIndex( {a:1}, {sparse:true} );
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t.ensureIndex( {b:1,a:1} );
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t.remove();
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t.save( {b:2} );
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assert.eq( 0, t.count( {a:null} ) );
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assert.eq( 1, t.count( {b:2,a:null} ) );
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assert.eq( 1, t.count( {$or:[{b:2,a:null},{a:null}]} ) );
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// Is this desired?
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assert.eq( 0, t.count( {$or:[{a:null},{b:2,a:null}]} ) );
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