I am trying to get all the columns/keys of an collection using the
following code:
var Db = require('mongodb').Db; //for mongodb
var Connection = require('mongodb').Connection;
var Server = require('mongodb').Server;
var BSON = require('mongodb').Server;
var ObjectID = require('mongodb').ObjectID;
DbModels = function(host, port){
this.db = new Db('test', new Server(host, port,{auto_reconnect:true},{}));
this.db.open(function(){});
};
DbModels.prototype.testDb=function(_collection){
console.log("Collection:");
console.log(this.db.collection('persons').find());
var mr = this.db.runCommand({
"mapreduce":"br_205_results",
"map" : function(){
for (var key in this){emit(key, null);}
},
"reduce" : function(key, stuff){
return null;
}
});
console.log(mr);
db[mr.result].distinct("_id");
};
But I get the following error:
TypeError: Object [object Object] has no method 'runCommand'
at [object Object].testDb (c:\Program Files\nodejs\DbModels.js:17:22)
at c:\Program Files\nodejs\socketio.js:164:14
at callbacks (c:\Program
Files\nodejs\node_modules\express\lib\router\index.js:272:11)
at param (c:\Program
Files\nodejs\node_modules\express\lib\router\index.js:246:11)
at pass (c:\Program
Files\nodejs\node_modules\express\lib\router\index.js:253:5)
at Router._dispatch (c:\Program
Files\nodejs\node_modules\express\lib\router\index.js:280:4)
at Object.handle (c:\Program
Files\nodejs\node_modules\express\lib\router\index.js:45:10)
at next (c:\Program Files\nodejs\node_modules\connect\lib\http.js:203:15)
at Object.handle (c:\Program Files\nodejs\node_modules\now\lib\now.js:213:7)
at next (c:\Program Files\nodejs\node_modules\connect\lib\http.js:203:15)
Any idea, how I can solve this?
Thanks! The Code Buccaneer
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