56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
// SERVER-726
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t = db.jstests_indexj;
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t.drop();
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function keysExamined(query, hint, sort) {
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if (!hint) {
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hint = {};
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}
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if (!sort) {
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sort = {};
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}
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var explain = t.find(query).sort(sort).hint(hint).explain("executionStats");
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return explain.executionStats.totalKeysExamined;
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}
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t.ensureIndex( {a:1} );
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t.save( {a:5} );
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assert.eq( 0, keysExamined( { a: { $gt:4, $lt:5 } } ), "A" );
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t.drop();
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t.ensureIndex( {a:1} );
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t.save( {a:4} );
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assert.eq( 0, keysExamined( { a: { $gt:4, $lt:5 } } ), "B" );
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t.save( {a:5} );
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assert.eq( 0, keysExamined( { a: { $gt:4, $lt:5 } } ), "D" );
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t.save( {a:4} );
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assert.eq( 0, keysExamined( { a: { $gt:4, $lt:5 } } ), "C" );
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t.save( {a:5} );
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assert.eq( 0, keysExamined( { a: { $gt:4, $lt:5 } } ), "D" );
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t.drop();
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t.ensureIndex( {a:1,b:1} );
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t.save( { a:1,b:1 } );
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t.save( { a:1,b:2 } );
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t.save( { a:2,b:1 } );
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t.save( { a:2,b:2 } );
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assert.eq( 3, keysExamined( { a:{$in:[1,2]}, b:{$gt:1,$lt:2} }, {a:1,b:1} ) );
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assert.eq( 3, keysExamined( { a:{$in:[1,2]}, b:{$gt:1,$lt:2} }, {a:1,b:1}, {a:-1,b:-1} ) );
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t.save( {a:1,b:1} );
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t.save( {a:1,b:1} );
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assert.eq( 3, keysExamined( { a:{$in:[1,2]}, b:{$gt:1,$lt:2} }, {a:1,b:1} ) );
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assert.eq( 3, keysExamined( { a:{$in:[1,2]}, b:{$gt:1,$lt:2} }, {a:1,b:1} ) );
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assert.eq( 3, keysExamined( { a:{$in:[1,2]}, b:{$gt:1,$lt:2} }, {a:1,b:1}, {a:-1,b:-1} ) );
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assert.eq( 2, keysExamined( { a:{$in:[1,1.9]}, b:{$gt:1,$lt:2} }, {a:1,b:1} ) );
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assert.eq( 2, keysExamined( { a:{$in:[1.1,2]}, b:{$gt:1,$lt:2} }, {a:1,b:1}, {a:-1,b:-1} ) );
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t.save( { a:1,b:1.5} );
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assert.eq( 4, keysExamined( { a:{$in:[1,2]}, b:{$gt:1,$lt:2} }, {a:1,b:1} ), "F" );
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