mongodb query sample added, unnecessary files removed

README.md

@@ -12,7 +12,7 @@ Project is under development.
 ### How to Install
 
 ```bash
-npm install sql2mongodb
+npm install -d sql2mongodb
 ```
 
 ### How to use

mongodb.md

@@ -0,0 +1,12 @@
+
+// SELECT TOP 1 row, PriceID, Country FROM prices
+// WHERE Country='EG' AND row<10000
+// ORDER BY row DESC
+
+db.prices.find(
+  {Country:'EG',
+  row:{$lt:10000}},
+  {row:1, PriceID:1, Country:1})
+  .sort({row:-1})
+  .limit(1)
+  .pretty()

sql.js

@@ -93,7 +93,7 @@ sqlConnection.prototype.testServer = function(callback) {
 };
 sqlConnection.prototype.getTable = function(table, mongodbServer, socket, callback) {
   var self = this,
-      rows = [], columns = [], queryString = [],
+      rows = [], columns = [],
       schema = {}, ItemSchema = {}, ItemModel = {}, request = {},
       lastRowID = 0,
       count = 10000,
@@ -112,6 +112,7 @@ sqlConnection.prototype.getTable = function(table, mongodbServer, socket, callba
         if (start >= tableCount) {
           return callback(null, "all rows retrieved");
         }
+        var queryString = [];
 
         queryString.push("DECLARE @ColumnName NVARCHAR(60)");
         queryString.push("SET @ColumnName = (SELECT TOP 1 name FROM sys.columns WHERE object_id = OBJECT_ID('dbo.");
@@ -137,7 +138,7 @@ sqlConnection.prototype.getTable = function(table, mongodbServer, socket, callba
             request = new Request(query, function(err) {
               if (err) {
                 console.log(err);
-                callback(err, null);
+                return callback(err, null);
               }
             });
 
@@ -154,7 +155,7 @@ sqlConnection.prototype.getTable = function(table, mongodbServer, socket, callba
             });
 
             request.on("row", function(row) {
-              socket.emit("done", ++readRows + " kayıt MSSQL'den alındı");
+              socket.emit("append", ++readRows + " kayıt MSSQL'den alındı");
               var newRow = {};
 
               for (var colNumber in row) {