摘要:
// JavaScript source code db.runCommand({ mapreduce: "page", map: function Map() { emit( this.title, // how to group { name: this.name } // associated da... 阅读全文
摘要:
input { file { path => "c:\aa.json" start_position => "beginning" #sincedb_path => "NUL" codec => json { charset => "UTF-8" } ... 阅读全文