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$nearSphere

$nearSphere

New in version 1.8.

The $nearSphere operator is the spherical equivalent of the $near operator. $nearSphere returns all documents near a point, calculating distances using spherical geometry.

db.collection.find( { loc: { $nearSphere: [0,0] } } )

Changed in version 2.2.3: Before 2.2.3, a geospatial index must exist on a field holding coordinates before using any of the geolocation query operators. After 2.2.3, applications may use geolocation query operators without having a geospatial index; however, geospatial indexes will support much faster geospatial queries than the unindexed equivalents.

Note

A geospatial index must exist on a field and the field must hold coordinates before you can use any of the geolocation query operators.

←   $near $nin  →