MONGO JS 脚本

/** * Created by chichen.cc on 2015/10/22. *///under mongo cmd #load("/home/chichen.cc/mongo.js")//host:portconn = new Mongo("localhost:30009");//conn = new Mongo( );db = conn.getDB("dbname");delIndex();var res=db.collectionname.ensureIndex (  { ttttt:1} ,{ background: true });print("ttttt index res:"+res.ok);addIndex("ttttt");function delIndex(){    db.collectionname.dropIndex (  { ttttt:1} ,{ background: true });}function addIndex(dataname){    var res=eval("db.collectionname.ensureIndex (  { "+dataname+":1} ,{ background: true })");    print(dataname+" index res:"+res.ok);}

参考链接:https://docs.mongodb.org/manual/reference/command/createIndexes/#dbcmd.createIndexes