fixed column literal

source/orm/sql/column.cpp

@@ -19,7 +19,7 @@ column operator ""_col(const char *name, size_t len) {
     throw std::invalid_argument("Invalid column name: multiple dots found");
   }
 
-  return column{str.substr(0, pos), str.substr(pos + 1)};
+  return column{table{str.substr(0, pos)}, str.substr(pos + 1)};
 }
 
 column::column(const char *name, const std::string& as)