         var items = [AnyObject](count: args.count, repeatedValue: 1)
         var numberOfPlaceholders = -1
         var hasBinary = false
-        var datas = [NSData]()
+        var emitDatas = [NSData]()
         
         for i in 0..<args.count {
             if let dict = args[i] as? NSDictionary {

                
                if hadData {
                    hasBinary = true
                    numberOfPlaceholders += datas.count
                    
                    for data in newDatas! {
                        datas.append(data)
                    }
                    
                    items[i] = replace

                hasBinary = true
                let sendData = self.createBinaryDataForSend(arr[g] as NSData)
                
                arrayDatas.append(sendData)
                replacementArr[g] = ["_placeholder": true,
                    "num": placeholders++]
            } else if let dict = arr[g] as? NSDictionary {
