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// Test to check whether the number of intervals in a geoNear query equals
// the number of inputStages it completes
var t = db.jstests_geo_s2explain;
t.drop();
var point1 = { loc : { type : "Point", coordinates : [10, 10] } };
var point2 = { loc : { type : "Point", coordinates : [10.001, 10] } };
assert.writeOK( t.insert( [ point1, point2] ) );
assert.commandWorked( t.ensureIndex( { loc : "2dsphere"} ) );
var explain = t.find( {
loc: { $nearSphere : { type : "Point", coordinates : [10, 10] } }
} ).limit(1).explain("executionStats");
var inputStage = explain.executionStats.executionStages.inputStage;
assert.eq( 1, inputStage.searchIntervals.length );
// Populates the collection with a few hundred points at varying distances
var points = [];
for ( var i = 10; i < 70; i+=0.1 ) {
points.push({ loc : { type : "Point", coordinates : [i, i] } });
}
assert.writeOK( t.insert( points ) );
explain = t.find( {
loc: { $nearSphere : { type : "Point", coordinates : [10, 10] } }
} ).limit(10).explain("executionStats");
inputStage = explain.executionStats.executionStages.inputStage;
assert.eq( inputStage.inputStages.length, inputStage.searchIntervals.length );
explain = t.find( {
loc: { $nearSphere : { type : "Point", coordinates : [10, 10] } }
} ).limit(50).explain("executionStats");
inputStage = explain.executionStats.executionStages.inputStage;
assert.eq( inputStage.inputStages.length, inputStage.searchIntervals.length );
explain = t.find( {
loc: { $nearSphere : { type : "Point", coordinates : [10, 10] } }
} ).limit(200).explain("executionStats");
inputStage = explain.executionStats.executionStages.inputStage;
assert.eq( inputStage.inputStages.length, inputStage.searchIntervals.length );
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