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// Test that $geoNear requires a geospatial index.
// TODO: Reenable test on passthroughs with sharded collections as part of SERVER-38995.
// @tags: [assumes_unsharded_collection]
(function() {
"use strict";
load("jstests/aggregation/extras/utils.js"); // For "assertErrorCode".
const coll = db.coll;
const from = db.from;
coll.drop();
from.drop();
const geonearPipeline = [
{$geoNear: {near: [0, 0], distanceField: "distance", spherical: true}},
];
const geonearWithinLookupPipeline = [
{
$lookup: {
pipeline: geonearPipeline,
from: from.getName(),
as: "c",
}
},
];
assert.commandWorked(coll.insert({_id: 5, x: 5}));
assert.commandWorked(from.insert({_id: 1, geo: [0, 0]}));
// Fail without index.
assertErrorCode(from, geonearPipeline, ErrorCodes.IndexNotFound);
assertErrorCode(coll, geonearWithinLookupPipeline, ErrorCodes.IndexNotFound);
assert.commandWorked(from.createIndex({geo: "2dsphere"}));
// Run successfully when you have the geospatial index.
assert.eq(from.aggregate(geonearPipeline).itcount(), 1);
assert.eq(coll.aggregate(geonearWithinLookupPipeline).itcount(), 1);
}());
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