added sqlite query result and enhanced column generator and value extractor

2023-11-14 20:21:51 +01:00
parent 4ed01a617d
commit d76ac60278
44 changed files with 1052 additions and 192 deletions
@@ -2,6 +2,7 @@
 #define QUERY_CONNECTION_HPP

 #include "matador/sql/connection_info.hpp"
+#include "matador/sql/connection_impl.hpp"
 #include "matador/sql/dialect.hpp"
 #include "matador/sql/query_result.hpp"
 #include "matador/sql/record.hpp"
@@ -17,6 +18,10 @@ class connection
 public:
  explicit connection(connection_info info);
  explicit connection(const std::string& dns);
+  connection(const connection &x);
+  connection& operator=(const connection &x);
+  connection(connection &&x) noexcept = default;
+  connection& operator=(connection &&x) noexcept = default;
  ~connection();

  void open();
@@ -24,13 +29,18 @@ public:
  [[nodiscard]] bool is_open() const;
  [[nodiscard]] const connection_info& info() const;

+  template<class Type>
+  query_result<Type> fetch(const std::string &sql)
+  {
+     return query_result<Type>(connection_->execute(sql));
+  }
  query_result<record> fetch(const std::string &sql);
  std::pair<size_t, std::string> execute(const std::string &sql);

 private:
-  const connection_info connection_info_;
+  connection_info connection_info_;
  bool is_open_{false};
-  connection_impl *connection_{};
+  std::unique_ptr<connection_impl> connection_;
 };

 }