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// @tags: [
// # Haystack index is not available on embedded
// incompatible_with_embedded,
// ]
t = db.geo_haystack2;
t.drop();
function distance(a, b) {
var x = a[0] - b[0];
var y = a[1] - b[1];
return Math.sqrt((x * x) + (y * y));
}
function distanceTotal(a, arr, f) {
var total = 0;
for (var i = 0; i < arr.length; i++) {
total += distance(a, arr[i][f]);
}
return total;
}
queries = [
{near: [7, 8], maxDistance: 3, search: {z: 3}},
];
answers = queries.map(function() {
return {totalDistance: 0, results: []};
});
n = 0;
for (x = 0; x < 20; x++) {
for (y = 0; y < 20; y++) {
t.insert({_id: n, loc: [x, y], z: [n % 10, (n + 5) % 10]});
for (i = 0; i < queries.length; i++) {
var d = distance(queries[i].near, [x, y]);
if (d > queries[i].maxDistance)
continue;
if (queries[i].search.z != n % 10 && queries[i].search.z != (n + 5) % 10)
continue;
answers[i].results.push({_id: n, loc: [x, y]});
answers[i].totalDistance += d;
}
n++;
}
}
t.ensureIndex({loc: "geoHaystack", z: 1}, {bucketSize: .7});
for (i = 0; i < queries.length; i++) {
print("---------");
printjson(queries[i]);
res = t.runCommand("geoSearch", queries[i]);
print("\t" + tojson(res.stats));
print("\tshould have: " + answers[i].results.length + "\t actually got: " + res.stats.n);
assert.eq(answers[i].results.length, res.stats.n, "num:" + i + " number matches");
assert.eq(answers[i].totalDistance,
distanceTotal(queries[i].near, res.results, "loc"),
"num:" + i + " totalDistance");
// printjson( res );
// printjson( answers[i].length );
}
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