drop table added

table.cpp

@@ -1,5 +1,7 @@
 
 #include "table.h"
+#include "csvreader.h"
+
 
 namespace usql {
 
@@ -49,6 +51,43 @@ std::string Table::csv_string() {
 	return out_string;
 }
 
+int Table::load_csv_string(const std::string &content) {
+	int row_cnt = 0;
+
+	CsvReader csvparser{};
+	auto csv = csvparser.parseCSV(content);
+
+	std::vector<ColDefNode> &colDefs = m_col_defs;
+
+	for (auto it = csv.begin() + 1; it != csv.end(); ++it) {
+		std::vector<std::string> csv_line = *it;
+
+		// prepare empty new_row
+		Row new_row = create_empty_row();
+
+		// copy values
+		for (size_t i = 0; i < columns_count(); i++) {
+			ColDefNode col_def = get_column_def(colDefs[i].name);
+
+			// TODO validate value
+			if (col_def.type == ColumnType::integer_type) {
+				new_row.setColumnValue(col_def.order, std::stol(csv_line[i]));
+			} else if (col_def.type == ColumnType::float_type) {
+				new_row.setColumnValue(col_def.order, std::stof(csv_line[i]));
+			} else {
+				new_row.setColumnValue(col_def.order, csv_line[i]);
+			}
+		}
+
+		// append new_row
+		add_row(new_row);
+
+		row_cnt++;
+	}
+
+	return row_cnt;
+}
+
 void Table::print() {
 	std::cout << "** " << m_name << " **" << std::endl;
 	for (auto row : m_rows) {