added logger

include/matador/sql/connection.hpp

@@ -7,6 +7,8 @@
 #include "matador/sql/query_result.hpp"
 #include "matador/sql/record.hpp"
 
+#include "matador/utils/logger.hpp"
+
 #include <string>
 
 namespace matador::sql {
@@ -32,21 +34,13 @@ public:
   [[nodiscard]] record describe(const std::string &table_name) const;
   [[nodiscard]] bool exists(const std::string &table_name) const;
 
-  template<class Type>
-  query_result<Type> fetch(const std::string &sql)
-  {
-     return query_result<Type>(connection_->fetch(sql));
-  }
+  [[nodiscard]] std::unique_ptr<query_result_impl> fetch(const std::string &sql) const;
   [[nodiscard]] std::pair<size_t, std::string> execute(const std::string &sql) const;
 
-private:
-  friend class session;
-
-  [[nodiscard]] std::unique_ptr<query_result_impl> call_fetch(const std::string &sql) const;
-
 private:
   connection_info connection_info_;
   std::unique_ptr<connection_impl> connection_;
+  utils::logger logger_;
 };
 
 }

include/matador/sql/query_builder.hpp

@@ -53,6 +53,7 @@ struct any_type_to_string_visitor
 column alias(const std::string &column, const std::string &as);
 column alias(column &&col, const std::string &as);
 column count(const std::string &column);
+column count_all();
 
 enum class join_type_t {
   INNER, OUTER, LEFT, RIGHT

include/matador/sql/query_intermediates.hpp

@@ -54,8 +54,7 @@ public:
   template<typename Type>
   Type fetch_value()
   {
-    auto result = fetch_all();
-    return {};
+    return fetch_one().at(0).as<Type>();
   }
 
 private:

include/matador/sql/session.hpp

@@ -48,7 +48,7 @@ public:
 private:
   friend class query_select_finish;
 
-  [[nodiscard]] std::unique_ptr<query_result_impl> call_fetch(const std::string &sql) const;
+  [[nodiscard]] std::unique_ptr<query_result_impl> fetch(const std::string &sql) const;
 
 private:
   connection_pool<connection> &pool_;