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// Basic test for special explain fields of a geo cursor.
t = db.jstests_explain7;
t.drop();
function checkFields( expected, explain ) {
// printjson( explain );
for( e in expected ) {
assert.eq( expected[ e ], explain[ e ], e );
}
}
t.ensureIndex( { loc:'2d' } );
checkFields( {
lookedAt:0,
matchesPerfd:0,
objectsLoaded:0,
pointsLoaded:0,
pointsSavedForYield:0,
pointsChangedOnYield:0,
pointsRemovedOnYield:0
},
t.find( { loc:[ 1, 5 ] } ).explain( true ) );
t.save( { loc: [ 1, 4 ] } );
t.save( { loc: [ 1, 5 ] } );
checkFields( {
lookedAt:1,
matchesPerfd:0,
objectsLoaded:1,
pointsLoaded:1,
pointsSavedForYield:0,
pointsChangedOnYield:0,
pointsRemovedOnYield:0
},
t.find( { loc:[ 1, 5 ] } ).explain( true ) );
t.save( { loc: [ 1, 5 ] } );
checkFields( {
n:1,
lookedAt:2,
matchesPerfd:0,
objectsLoaded:2,
pointsLoaded:2,
pointsSavedForYield:0,
pointsChangedOnYield:0,
pointsRemovedOnYield:0
},
t.find( { loc:[ 1, 5 ] } ).limit( 1 ).explain( true ) );
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