Tutorial:Aggregation

Aggregation
	Aggregation FrameWork Tool
Map Reduce
	Map Reduce is a cool function,this tool is support the map reduce via GUI To open the map-reduce form,please select a data treenode,then click right. In the map-reduce,you will see a sample for map javascript and reduce javascript.It is only for beginer. You can load a javascript form system.js collection by select the jsname at listbox.Or you can save your javascript to system.js collection. When the javascript is ready,click run to do map-reduce. If the socketTimeout is too short to complete the map-reduce,there will be a exception happens.Please modify the socketTimeout at connection manager form
Others
	Count: This tools also support the Aggregation:Count,Distinct,Group,(All Aggregation is support query filter.The next section will introduce query filter) Count will give you a count result of collection.The count result may be different ,when a datafilter is enable or not. Distinct: You need to pick a distinct field first Click "Run",the result is display by a messagebox: Group: Please see the reference first: Refrence of Aggregation at mongodb.org The Gui of group is look like this: If everything is right,the result looks like this:(Don't forget to add init fields...if some fields is not need any more,leave fieldname with space)
Text Search
	如果你连接的MongoDB的数据库是2.4及其以上，同时服务器端允许Text Search功能的话。你可以使用本工具进行Text Search。 MongoDB的Text Search 功能是针对拉丁语系的，所以，请不要尝试检索中文的关键字。