better table print, order by/offset/limit improvements

row.cpp

@@ -77,13 +77,17 @@ namespace usql {
     	}
     }
 
-    void Row::print() {
+    void Row::print(const std::vector<int> & col_char_sizes) {
+	    std::string out{"| "};
+
 	    for (int ci = 0; ci < m_columns.size(); ci++) {
-		    if (ci > 0) std::cout << ",";
-		    auto v = m_columns[ci]->getStringValue();
-		    std::cout << v;
+		auto value = m_columns[ci]->getStringValue();
+
+	 	// TODO use string functions
+		out.append(value + std::string(col_char_sizes[ci] - value.size(), ' ') + " | ");
 	    }
-	    std::cout << std::endl;
+
+	    std::cout << out << std::endl;
     }
 
 }