backend tests progress

include/matador/sql/column.hpp

@@ -37,7 +37,7 @@ public:
   : column(std::move(name), data_type_traits<Type>::builtin_type(attr.size()), attr, null_opt)
   {}
 
-  column(std::string name, data_type_t type, utils::field_attributes attr, null_option null_opt);
+  column(std::string name, data_type_t type, utils::field_attributes attr, null_option null_opt, size_t index = 0);
 
   template<typename Type>
   column(std::string name, std::string ref_table, std::string ref_column, utils::field_attributes attr, null_option null_opt)

include/matador/sql/connection.hpp

@@ -39,10 +39,13 @@ public:
 
   statement prepare(query_context &&query) const;
 
+  const class dialect& dialect() const;
+
 private:
   connection_info connection_info_;
   std::unique_ptr<connection_impl> connection_;
   utils::logger logger_;
+  const class dialect &dialect_;
 };
 
 }

include/matador/sql/record.hpp

@@ -24,8 +24,8 @@ public:
   record() = default;
   record(std::initializer_list<column> columns);
   explicit record(const std::vector<column> &columns);
-  record(const record&) = default;
-  record& operator=(const record&) = default;
+  record(const record &x);
+  record& operator=(const record &x);
   record(record&&) noexcept = default;
   record& operator=(record&&) noexcept = default;
   ~record() = default;
@@ -45,8 +45,8 @@ public:
 
   void append(column col);
 
-  bool has_primary_key() const;
-  const column& primary_key() const;
+  [[nodiscard]] bool has_primary_key() const;
+  [[nodiscard]] const column& primary_key() const;
 
   [[nodiscard]] const std::vector<column>& columns() const;