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