initial matador ng commit

2025-02-02 20:37:12 +01:00
parent 19de5714f4
commit ded3daceb3
378 changed files with 14913 additions and 13431 deletions
@@ -0,0 +1,57 @@
+#ifndef QUERY_CONNECTION_IMPL_HPP
+#define QUERY_CONNECTION_IMPL_HPP
+
+#include <memory>
+
+#include "matador/sql/column_definition.hpp"
+#include "matador/sql/connection_info.hpp"
+#include "matador/sql/query_context.hpp"
+#include "matador/utils/error.hpp"
+#include "matador/utils/result.hpp"
+#include "matador/utils/version.hpp"
+
+namespace matador::utils {
+using blob = std::vector<unsigned char>;
+}
+
+namespace matador::sql {
+
+class query_result_impl;
+class statement_impl;
+
+class connection_impl
+{
+public:
+  virtual ~connection_impl() = default;
+
+  virtual utils::result<void, utils::error> open() = 0;
+  virtual utils::result<void, utils::error> close() = 0;
+  [[nodiscard]] virtual utils::result<bool, utils::error> is_open() const = 0;
+  [[nodiscard]] virtual utils::result<bool, utils::error> is_valid() const = 0;
+
+  [[nodiscard]] virtual utils::result<utils::version, utils::error> client_version() const = 0;
+  [[nodiscard]] virtual utils::result<utils::version, utils::error> server_version() const = 0;
+
+  virtual utils::result<size_t, utils::error> execute(const std::string &stmt) = 0;
+  virtual utils::result<std::unique_ptr<query_result_impl>, utils::error> fetch(const query_context &context) = 0;
+  virtual utils::result<std::unique_ptr<statement_impl>, utils::error> prepare(const query_context &context) = 0;
+
+  virtual utils::result<std::vector<column_definition>, utils::error> describe(const std::string &table) = 0;
+  virtual utils::result<bool, utils::error> exists(const std::string &schema_name, const std::string &table_name) = 0;
+
+  [[nodiscard]] const class dialect &dialect() const;
+
+  [[nodiscard]] virtual std::string to_escaped_string(const utils::blob &value) const = 0;
+
+protected:
+  explicit connection_impl(const connection_info &info);
+
+  [[nodiscard]] const connection_info &info() const;
+
+private:
+  std::reference_wrapper<const connection_info> info_;
+  std::reference_wrapper<const class dialect> dialect_;
+};
+
+}
+#endif //QUERY_CONNECTION_IMPL_HPP