Since the format for passing these options is different for the find command, these options should be specified using the DBQuery helpers.
19 lines
497 B
JavaScript
19 lines
497 B
JavaScript
|
|
t = db.maxscan;
|
|
t.drop();
|
|
|
|
N = 100;
|
|
for ( i=0; i<N; i++ ){
|
|
t.insert( { _id : i , x : i % 10 } );
|
|
}
|
|
|
|
assert.eq( N , t.find().itcount() , "A" )
|
|
assert.eq( 50 , t.find().maxScan(50).itcount() , "B" )
|
|
|
|
assert.eq( 10 , t.find( { x : 2 } ).itcount() , "C" )
|
|
assert.eq( 5 , t.find( { x : 2 } ).maxScan(50).itcount() , "D" )
|
|
|
|
t.ensureIndex({x: 1});
|
|
assert.eq( 10, t.find( { x : 2 } ).hint({x:1}).maxScan(N).itcount() , "E" )
|
|
assert.eq( 0, t.find( { x : 2 } ).hint({x:1}).maxScan(1).itcount() , "E" )
|