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// Text index on multiple fields with weights db.articles.createIndex( { title: "text", body: "text", tags: "text" }, { weights: { title: 10, tags: 5, body: 1 }, name: "articleTextIdx" } ) // $text search — find articles mentioning "mongodb performance" db.articles.find( { $text: { $search: "mongodb performance" } }, { score: { $meta: "textScore" } } ).sort({ score: { $meta: "textScore" } }) // Exclude a word with a minus prefix db.articles.find({ $text: { $search: "mongodb -sql" } }) // 2dsphere index for GeoJSON db.locations.createIndex({ coordinates: "2dsphere" }) // Insert a GeoJSON point db.locations.insertOne({ name: "Central Park", coordinates: { type: "Point", coordinates: [-73.9654, 40.7829] } }) // $near — find locations within 1 km db.locations.find({ coordinates: { $near: { $geometry: { type: "Point", coordinates: [-73.9654, 40.7829] }, $maxDistance: 1000 } } })
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