diff --git a/csvreader.cpp b/csvreader.cpp
index e765f02..2401689 100644
--- a/csvreader.cpp
+++ b/csvreader.cpp
@@ -4,7 +4,6 @@
 
 #include <fstream>
 
-
 namespace usql {
 
     CsvReader::CsvReader(bool skip_hdr, char field_sep, char quote_ch, char line_sep, char line_sep2) {
@@ -34,11 +33,11 @@ int CsvReader::parseCSV(const std::string &filename, std::vector<ColDefNode> &co
 	std::vector<std::string> line;
 	line.reserve(32);
 
-	std::fstream newfile;
-	newfile.open(filename, std::ios::in);
+	std::fstream data_file;
+	data_file.open(filename, std::ios::in);
 	/// if (newfile.is_open()){   //checking whether the file is open
 
-	while (getline(newfile, csvSource)) {
+	while (getline(data_file, csvSource)) {
 		if (skip_header && !header_skiped) {
 			header_skiped = true;
 			continue;
@@ -70,11 +69,11 @@ int CsvReader::parseCSV(const std::string &filename, std::vector<ColDefNode> &co
 		field.clear();
 		line.clear();
 // DEBUG 
-// if (row_cnt > 10000) break;
+// if (row_cnt > 50000) break;
 //
 	}
 
-	newfile.close();
+	data_file.close();
 
 	return row_cnt;
 }