59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
#ifndef QUERY_CONNECTION_IMPL_HPP
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#define QUERY_CONNECTION_IMPL_HPP
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#include <memory>
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#include "matador/object/attribute_definition.hpp"
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#include "matador/sql/connection_info.hpp"
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#include "matador/sql/query_context.hpp"
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#include "matador/utils/error.hpp"
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#include "matador/utils/result.hpp"
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#include "matador/utils/version.hpp"
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namespace matador::utils {
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using blob = std::vector<unsigned char>;
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}
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namespace matador::sql {
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class query_result_impl;
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class statement_impl;
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class connection_impl
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{
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public:
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virtual ~connection_impl() = default;
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virtual utils::result<void, utils::error> open() = 0;
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virtual utils::result<void, utils::error> close() = 0;
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[[nodiscard]] virtual utils::result<bool, utils::error> is_open() const = 0;
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[[nodiscard]] virtual utils::result<bool, utils::error> is_valid() const = 0;
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[[nodiscard]] virtual utils::result<utils::version, utils::error> client_version() const = 0;
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[[nodiscard]] virtual utils::result<utils::version, utils::error> server_version() const = 0;
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virtual utils::result<size_t, utils::error> execute(const std::string &stmt) = 0;
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virtual utils::result<std::unique_ptr<query_result_impl>, utils::error> fetch(const query_context &context) = 0;
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virtual utils::result<std::unique_ptr<statement_impl>, utils::error> prepare(const query_context &context) = 0;
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virtual utils::result<std::vector<object::attribute_definition>, utils::error> describe(const std::string &table) = 0;
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virtual utils::result<bool, utils::error> exists(const std::string &schema_name, const std::string &table_name) = 0;
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[[nodiscard]] const class dialect &dialect() const;
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[[nodiscard]] virtual std::string to_escaped_string(const utils::blob &value) const = 0;
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[[nodiscard]] const connection_info &info() const;
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protected:
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explicit connection_impl(const connection_info &info);
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private:
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connection_info info_;
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std::reference_wrapper<const class dialect> dialect_;
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};
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}
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#endif //QUERY_CONNECTION_IMPL_HPP
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