session queries as statement progress

include/matador/sql/connection.hpp

@@ -25,7 +25,7 @@ public:
    * @param info The database connection info data
    * @param sql_logger The logging handler
    */
-  explicit connection(connection_info info, const logger_ptr &sql_logger = null_logger);
+  explicit connection(const connection_info& info, const logger_ptr &sql_logger = null_logger);
   /**
    * @brief Creates a database connection from a connection string.
    *
@@ -147,7 +147,6 @@ private:
   friend class session;
   friend class statement_cache;
 
-  connection_info connection_info_;
   std::unique_ptr<connection_impl> connection_;
   std::shared_ptr<abstract_sql_logger> logger_ = std::make_shared<null_sql_logger>();
 };

include/matador/sql/interface/connection_impl.hpp

@@ -42,14 +42,13 @@ public:
   [[nodiscard]] const class dialect &dialect() const;
 
   [[nodiscard]] virtual std::string to_escaped_string(const utils::blob &value) const = 0;
+  [[nodiscard]] const connection_info &info() const;
 
 protected:
   explicit connection_impl(const connection_info &info);
 
-  [[nodiscard]] const connection_info &info() const;
-
 private:
-  std::reference_wrapper<const connection_info> info_;
+  connection_info info_;
   std::reference_wrapper<const class dialect> dialect_;
 };
 

include/matador/sql/query_result.hpp

@@ -139,7 +139,7 @@ public:
   , creator_(std::move(creator)) {}
 
   iterator begin() { return std::move(++iterator(this)); }
-  static iterator end() { return {}; }
+  iterator end() { return {}; }
 
 private:
   friend class query_result_iterator<Type>;