Add table name to download fields query

src/libs/middlewares/downloadDatabase.js

@@ -21,7 +21,7 @@ module.exports = function download(table, mappingTable) {
                 let header = '';
                 req.sql.from(table);
                 result.forEach((field) => {
-                    req.sql.field(field.name, field.target_name);
+                    req.sql.field(table + '.' + field.name, field.target_name);
                     if(header === '') header += field.target_name;
                     else header = header + ';' + field.target_name;
                 });