jstests/core/explain4.js


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// Test that limit is applied by explain.

t = db.jstests_explain4;
t.drop();

t.ensureIndex( { a:1 } );

for( i = 0; i < 10; ++i ) {
    t.save( { a:i, b:0 } );
}

explain = t.find( { a:{ $gte:0 }, b:0 } ).sort( { a:1 } )
                                         .hint( { a:1 } )
                                         .limit( 5 )
                                         .explain( true );

// Five results are expected, matching the limit spec.
assert.eq( 5, explain.executionStats.nReturned );