19 lines
505 B
JavaScript
19 lines
505 B
JavaScript
// Check null key generation.
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t = db.jstests_indexv;
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t.drop();
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t.ensureIndex( {'a.b':1} );
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t.save( {a:[{},{b:1}]} );
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var e = t.find( {'a.b':null} ).explain("executionStats");
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assert.eq( 1, e.executionStats.nReturned );
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assert.eq( 1, e.executionStats.totalKeysExamined );
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t.drop();
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t.ensureIndex( {'a.b.c':1} );
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t.save( {a:[{b:[]},{b:{c:1}}]} );
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var e = t.find( {'a.b.c':null} ).explain("executionStats");
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assert.eq( 0, e.executionStats.nReturned );
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assert.eq( 1, e.executionStats.totalKeysExamined );
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