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// Tests that $geoNear can be within a $lookup stage.
// TODO SERVER-29159: Enable test on passthroughs with sharded collections.
// $geoNear is not allowed in a facet even within a lookup.
// @tags: [
// assumes_unsharded_collection,
// do_not_wrap_aggregations_in_facets,
// sbe_incompatible,
// ]
(function() {
"use strict";
const coll = db.lookup_subpipeline_geonear;
const from = db.from;
coll.drop();
assert.commandWorked(coll.insert({_id: 4, x: 4}));
from.drop();
// Create geospatial index for field 'geo' on 'from'.
assert.commandWorked(from.createIndex({geo: "2dsphere"}));
// Insert one matching document in 'from'.
assert.commandWorked(from.insert({_id: 1, geo: [0, 0]}));
const geonearPipeline = [
{$geoNear: {near: [0, 0], distanceField: "distance", spherical: true}},
];
assert.eq(from.aggregate(geonearPipeline).itcount(), 1);
let pipeline = [
{
$lookup: {
pipeline: geonearPipeline,
from: from.getName(),
as: "c",
}
},
];
assert.eq(coll.aggregate(pipeline).toArray(),
[{"_id": 4, "x": 4, "c": [{"_id": 1, "geo": [0, 0], "distance": 0}]}]);
}());
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