Geo spatial queries with Doctrine MongoDB ODM - mongodb

Question

I have a 2d index on a coordinates property of my document. Using the mongo shell, I can query the collection like this;
db.adverts.find({coordinates:{$near:[20,40]}})
And that returns the following results, as expected;
{ "_id" : ObjectId("4fddac51352de93903000000"), "title" : "dummy #3", "coordinates" : { "longitude" : 22, "latitude" : 31 } }
{ "_id" : ObjectId("4fddac48352de95105000000"), "title" : "dummy #3", "coordinates" : { "longitude" : 20, "latitude" : 30 } }
{ "_id" : ObjectId("4fddaca4352de93703000000"), "title" : "dummy #3", "coordinates" : { "longitude" : 31, "latitude" : 22 } }
{ "_id" : ObjectId("4fdda6a2352de90a03000000"), "title" : "dummy title", "created" : ISODate("2012-06-17T09:42:58Z"), "coordinates" : { "longitude" : 54.1234, "latitude" : -1.234 } }
{ "_id" : ObjectId("4fdda6d8352de9c004000000"), "title" : "dummy title #2", "created" : ISODate("2012-06-17T09:43:52Z"), "coordinates" : { "longitude" : 54.34, "latitude" : -1.124 } }
However, using Doctrine as per the documentation to query the exact same collection, I get no results e.g.
$adverts = $dm->createQueryBuilder('Advert')
->field('coordinates')->near(20, 40)
->getQuery()
->execute();
$adverts->count(); // => 0
My advert yaml looks like this;
Advert:
type: document
collection: adverts
fields:
id:
id: true
title:
type: string
content:
type: string
created:
type: date
updated:
type: date
status:
type: int
distance:
type: int
indexes:
coordinates:
keys:
coordinates: 2d
referenceOne:
owner:
targetDocument: User
embedOne:
coordinates:
targetDocument: Coordinates
And the Coordinates document is like this;
Coordinates:
type: embeddedDocument
fields:
longitude:
type: float
latitude:
type: float
Any ideas why using Doctrine's ODM would return zero results on the same query?
UPDATE #1
It looks that there is a problem with Doctrine\MongoDB\Query\Builder::near() L363. The method parameter ignores the second value ($y). So only the first value is being passed to be executed.

Answer 1

There appears to be an implementation issue with the near() method (see https://github.com/doctrine/mongodb/pull/53). To fix my original query, I would need to do the following;
$adverts = $dm->createQueryBuilder('Advert')
->field('coordinates.latitude')->near(20)
->field('coordinates.longitude')->near(40);
$adverts->getQuery()->count(); // => 5
This contradicts the current documentation that implies both x, y coordinates can be passed to Doctrine\MongoDB\Query\Builder::near().
EDIT
To make life easier, I've created a custom repository class to provide a more intuitive solution for this inconsistency;
public function near($longitude, $latitude)
{
$query = $this->createQueryBuilder()
->field('coordinates.longitude')->near((float) $longitude)
->field('coordinates.latitude')->near((float) $latitude)
->getQuery();
return $query;
}