MongoDB学习之Text Search文本搜索功能

db.blogs.insert({_id:1,title:"MongoDB text search",content:"this is a simple MongoDB text search introduction"})

db.blogs.insert({_id:2,title:"MongoDB text index",content:"this is ae MongoDB text index introduction"})

db.blogs.insert({_id:3,title:"MongoDB text operators",content:"this is ae MongoDB text query introduction"})

db.blogs.ensureIndex({title:"text",content:"text"})

db.blogs.find({$text:{$search:"index"}})

db.blogs.find({$text:{$search:"index operators"}})

db.blogs.find({$text:{$search:"mongodb -search"}})

db.blogs.find({$text:{$search:"\"text search\""}})

db.blogs.find( {$text:{$search:"mongodb index"}}, {score:{$meta:"textScore"}} ).sort({score:{$meta:"textScore"}})